Intevep, S.A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Intevep, S.A..The latest application filed is for "filter control hpht additive for oil-based drilling fluids with petroleum coke".

Company Profile

1.200.104

Intevep, S.A. - Caracas VE
INTEVEP, S.A. - Los Teques VE
Intevep, S.A. - VE VE
INTEVEP, S.A. - Apartado 76343 Caracas VE
Intevep, S.A. -
Intevep, S.A. - Caracas 1070A VE
Intevep SA - Caracas VE
Intevep, S.A. - Caraacas VE
Intevep S. A. - Estado Miranda VE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Filter Control Hpht Additive For Oil-based Drilling Fluids With Petroleum Coke App 20170166794 - Perez Cisneros; Miguel Angel	2017-06-15
Nanocatalyst Composition, Method For Making Nanocatalyst Composition And Hydroconversion Process Using Same App 20170152446 - Martinez Mendez; Susana Isabel ; et al.	2017-06-01
Coke Drum With Air Injection System For Skirt Junction App 20170145319 - Vivas Chacon; Gabriel Arcangel ; et al.	2017-05-25
Process For The Production Of Petroleum Tar Pitch For Use As A Binder In The Production Of Electrodes App 20170121834 - Lira; Alexis ; et al.	2017-05-04
Design Of An Air Injection System At The Level Of The Cylinder In A Coke Drum App 20170121607 - Vivas Chacon; Gabriel Arcangel ; et al.	2017-05-04
Downhole Removal Of H2s And Co2 App 20170101859 - Paraco Mendez; Miguel Angel ; et al.	2017-04-13
High Pressure Sand And Asphaltene Trap App 20170101588 - Gonzalez; Leonor ; et al.	2017-04-13
Method For Electrochemically Assisted Upgrade Of Hydrocarbons App 20160376718 - D'Elia Camacho; Luis F. ; et al.	2016-12-29
Method of metals recovery from refinery residues Grant 9,273,377 - Grimley March 1, 2	2016-03-01
Additive For Reducing Viscosity In Heavy Crude Oil App 20160010010 - Perez; Miguel Angel	2016-01-14
Completion Fluid App 20150354298 - Gonzalez Poche; Jose Miguel ; et al.	2015-12-10
Additive for hydroconversion process and method for making and using same Grant 9,168,506 - Canelon , et al. October 27, 2	2015-10-27
Method And Apparatus For Determining Water Content Of Oil And Water Mixtures By Measurement Of Specific Admittance App 20150293047 - Rotzer; Inigo ; et al.	2015-10-15
Working/control fluid for heavy and extra-heavy crude wells Grant 9,150,778 - Manrique , et al. October 6, 2	2015-10-06
Process for preparing thermally stable oil-in-water and water-in-oil emulsions Grant 9,109,151 - Gutierrez , et al. August 18, 2	2015-08-18
Formulation and method of use for exploitation of heavy and extra heavy oil wells Grant 9,109,443 - Manrique , et al. August 18, 2	2015-08-18
Microgenerator for hydrocarbon producing systems Grant 9,083,213 - Caliz , et al. July 14, 2	2015-07-14
Microgenerator For Hydrocarbon Producing Systems App 20150194860 - Caliz; Nestor ; et al.	2015-07-09
Mitigation of H.sub.2S in steam injection technology using amines of natural origin Grant 9,074,122 - Viloria , et al. July 7, 2	2015-07-07
Formulation Of Surfactant To Enhance Crude Oil Recovery App 20150184063 - Gutierrez Santana; Xiomara Graciela ; et al.	2015-07-02
Formulation and method of use for exploitation and transport of heavy and extra heavy oil wells Grant 9,068,446 - Manrique , et al. June 30, 2	2015-06-30
Completion fluid Grant 9,051,507 - Gonzalez Poche , et al. June 9, 2	2015-06-09
Use Of Iron Ore Agglomerates For Acid Gas Removal App 20150151237 - Viloria; Alfredo ; et al.	2015-06-04
Pvt Cell For Foamy Oil App 20150117488 - Borges; Arturo	2015-04-30
Assessment Method For Hydrate Inhibitors And Formulation Of Gas Hydrate Inhibitors App 20150112105 - Viloria; Alfredo ; et al.	2015-04-23
Fluid Displacement System Using Gerotor Pump App 20150071795 - Vazquez; Raimundo Pardo ; et al.	2015-03-12
Formulation and method of use for stimulation of heavy and extraheavy oil wells Grant 8,955,589 - Manrique , et al. February 17, 2	2015-02-17
Water-based Drilling Fluid With Tannin Additive From C. Coriaria App 20150034389 - Perez; Miguel Angel	2015-02-05
Process and system improvement for improving and recuperating waste, heavy and extra heavy hydrocarbons Grant 8,926,833 - Chirinos , et al. January 6, 2	2015-01-06
Method For Operating Hydroprocessing System App 20140296591 - DAVILA GOMEZ; YTALO ORLANDO ; et al.	2014-10-02
Additive for hydroconversion process and method for making and using same Grant 8,835,351 - Canelon , et al. September 16, 2	2014-09-16
Sediment removal tank and system Grant 8,815,101 - Brown , et al. August 26, 2	2014-08-26
Dispersed metal sulfide-based catalysts Grant 8,815,765 - Rivas , et al. August 26, 2	2014-08-26
Axial Gas-liquid Cyclone Separator App 20140116255 - Perez Guerra; Luis Daniel ; et al.	2014-05-01
Hydroconversion process for heavy and extra heavy oils and residuals Grant 8,679,322 - Marzin , et al. March 25, 2	2014-03-25
Surfactant package and water in hydrocarbon emulsion using same Grant 8,647,395 - Gutierrez , et al. February 11, 2	2014-02-11
Regenerable and non-regenerable sorbents for acid gas removal Grant 8,641,922 - Viloria , et al. February 4, 2	2014-02-04
Metal recovery from hydroconverted heavy effluent Grant 8,636,967 - Canelon , et al. January 28, 2	2014-01-28
Drilling Fluid Using Surfactant Package App 20140024560 - Gonzalez Poche; Jose Miguel ; et al.	2014-01-23
Formulation And Method Of Use For Exploitation And Transport Of Heavy And Extra Heavy Oil Wells App 20140008062 - Manrique; Pablo ; et al.	2014-01-09
Dispersed metal sulfide-based catalysts Grant 8,551,907 - Pereira , et al. October 8, 2	2013-10-08
Completion Fluid App 20130252857 - Gonzalez Poche; Jose Miguel ; et al.	2013-09-26
Additive For Hydroconversion Process And Method For Making And Using Same App 20130143735 - Canelon; Carlos ; et al.	2013-06-06
Hydrocarbon formation core protection and transportation apparatus Grant 8,453,766 - Graterol , et al. June 4, 2	2013-06-04
Additive For Hydroconversion Process And Method For Making And Using Same App 20130130033 - Canelon; Carlos ; et al.	2013-05-23
Formation And Breaking Of Emulsion Using Low Molecular Weight Amine App 20130118598 - Gutierrez; Xiomara ; et al.	2013-05-16
Method For Improving The Flow Conditions In Pipes That Have Been Used For Transporting Heavy Or Extra-heavy Crudes Or Crudes With High Asphaltene Content App 20130098467 - Manrique; Pablo ; et al.	2013-04-25
Sediment Removal Tank And System App 20130087515 - Brown; Juan ; et al.	2013-04-11
Method Of Metals Recovery From Refinery Residues App 20130078167 - Grimley; Matthew Stephen	2013-03-28
Network Data Acquisition System App 20130070787 - Sousa; Daniel De ; et al.	2013-03-21
Ultra-dispersed Catalyst And Method For Preparing Same App 20130048540 - Noguera Herrera; Gladys Esperanza ; et al.	2013-02-28
Working/control Fluid For Heavy And Extra-heavy Crude Wells App 20130048288 - Manrique; Pablo ; et al.	2013-02-28
Hydrocarbon Formation Core Protection And Transportation Apparatus App 20130037539 - Graterol; Leonardo ; et al.	2013-02-14
Electro-gasification process using pre-treated pet-coke Grant 8,298,509 - D'Elia , et al. October 30, 2	2012-10-30
Apparatus for manufacturing ceramic microspheres for cementing applications Grant 8,291,727 - Quercia , et al. October 23, 2	2012-10-23
Formulation And Method Of Use For Exploitation Of Heavy And Extra Heavy Oil Wells App 20120247759 - Manrique; Pablo ; et al.	2012-10-04
Dispersed Metal Sulfide-based Catalysts App 20120252660 - Rivas; Guaicaipuro ; et al.	2012-10-04
Nano-additive for hydrocarbon well cementing operations Grant 8,273,173 - Perera Mercado , et al. September 25, 2	2012-09-25
Hydroprocessing of naphtha streams at moderate conditions Grant 8,258,074 - Romero , et al. September 4, 2	2012-09-04
Method for gasification of carbonaceous solid materials Grant 8,257,454 - Haueter , et al. September 4, 2	2012-09-04
Use of iron ore agglomerates for acid gas removal Grant 8,246,722 - Viloria , et al. August 21, 2	2012-08-21
Process And System Improvement For Improving And Recuperating Waste, Heavy And Extra Heavy Hydrocarbons App 20120186939 - Chirinos; Manuel ; et al.	2012-07-26
Detergent Package For Improved Recovery And Transport Of Crude Oil App 20120157357 - Osuna; Pedro Cesar Ortega ; et al.	2012-06-21
Formulation And Method Of Use For Stimulation Of Heavy And Extraheavy Oil Wells App 20120152535 - Manrique; Pablo ; et al.	2012-06-21
Hydroprocessing of naphtha streams at moderate conditions Grant 8,197,672 - Romero , et al. June 12, 2	2012-06-12
Offretite Aluminosilicate Composition And Preparation And Use Of Same App 20120132567 - Quesada Perez; Andres M. ; et al.	2012-05-31
Process and system improvement for improving and recuperating waste, heavy and extra heavy hydrocarbons Grant 8,147,679 - Chirinos , et al. April 3, 2	2012-04-03
Ceramic microspheres for cementing applications Grant 8,143,196 - Quercia , et al. March 27, 2	2012-03-27
Drilling fluid with circulation loss reducing additive package Grant 8,138,124 - Kakadjian , et al. March 20, 2	2012-03-20
Artificial lift system for stripper and marginal wells Grant 8,127,855 - Alvarado Vargas March 6, 2	2012-03-06
Regenerable and non-regenerable sorbents for acid gas removal Grant 8,110,094 - Viloria , et al. February 7, 2	2012-02-07
Regenerable And Non-regenerable Sorbents For Acid Gas Removal App 20120025135 - Viloria; Alfredo ; et al.	2012-02-02
Reduced abrasion drilling fluid Grant 8,105,984 - Quiroga , et al. January 31, 2	2012-01-31
Process using aloe for inhibiting scale Grant 8,039,421 - Viloria , et al. October 18, 2	2011-10-18
Concentrated Solar Radiation Assembly App 20110232635 - Denk; Thorsten ; et al.	2011-09-29
Crystalline composition, preparation and use Grant 8,022,003 - Perez , et al. September 20, 2	2011-09-20
Crystalline composition, preparation and use Grant 8,021,642 - Perez , et al. September 20, 2	2011-09-20
Hydrogenation catalyst with improved textural properties Grant 8,022,008 - Martinis , et al. September 20, 2	2011-09-20
Surfactant Package And Water In Hydrocarbon Emulsion Using Same App 20110209385 - Gutierrez; Xiomara ; et al.	2011-09-01
Process for treating hydrocarbon feeds with electrolytic hydrogen Grant 7,998,341 - Baez , et al. August 16, 2	2011-08-16
Reversible gelling system and method using same during well treatments Grant 7,994,100 - Ventresca , et al. August 9, 2	2011-08-09
Metal Recovery From Hydroconverted Heavy Effluent App 20110176978 - Canelon; Carlos ; et al.	2011-07-21
Additive For Hydroconversion Process And Method For Making And Using Same App 20110174690 - Canelon; Carlos ; et al.	2011-07-21
Homogenous synthetic mud-to-cement cementing glasses Grant 7,964,538 - Perera , et al. June 21, 2	2011-06-21
Ceramic Microspheres For Cementing Applications App 20110138859 - Quercia; George ; et al.	2011-06-16
Ceramic Microspheres For Cementing Applications App 20110132610 - Quercia; George ; et al.	2011-06-09
Hydroconversion Process For Heavy And Extra Heavy Oils And Residuals App 20110120908 - Marzin; Roger ; et al.	2011-05-26
Dispersed Metal Sulfide-based Catalysts App 20110068045 - Pereira; Pedro ; et al.	2011-03-24
Homogenous Synthetic Mud-to-cement Cementing Glasses App 20110048714 - Perera; Yibran ; et al.	2011-03-03
Oxygen-containing diesel fuel, process and catalyst for producing same Grant 7,892,300 - Galiasso February 22, 2	2011-02-22
Ceramic microspheres for cementing applications Grant 7,884,055 - Quercia , et al. February 8, 2	2011-02-08
Reversible Gelling System And Method Using Same During Well Treatments App 20110021387 - Ventresca; Maria Luisa ; et al.	2011-01-27
Crystalline Composition, Preparation And Use App 20110004042 - Perez; Andres Quesada ; et al.	2011-01-06
Surfactant package for well treatment and method using same Grant 7,854,802 - Mas , et al. December 21, 2	2010-12-21
Process for improving and recuperating waste, heavy and extra heavy hydrocarbons Grant 7,854,836 - Chirinos , et al. December 21, 2	2010-12-21
Surfactant package for well treatment and method for using same Grant 7,854,263 - Mas , et al. December 21, 2	2010-12-21
Homogenous synthetic mud-to-cement cementing glasses Grant 7,855,170 - Perera , et al. December 21, 2	2010-12-21
Use Of Iron Ore Agglomerates For Acid Gas Removal App 20100313756 - Viloria; Alfredo ; et al.	2010-12-16
Use Of Iron Ore Agglomerates For Acid Gas Removal App 20100248941 - Viloria; Alfredo ; et al.	2010-09-30
Hydroprocessing process Grant 7,754,162 - Dassori July 13, 2	2010-07-13
Reduced Abrasion Drilling Fluid App 20100170719 - Quiroga; Freddy ; et al.	2010-07-08
Regenerable And Non-regenerable Sorbents For Acid Gas Removal App 20100168496 - Viloria; Alfredo ; et al.	2010-07-01
Artificial Lift System For Stripper And Marginal Wells App 20100163245 - Alvarado Vargas; Maria Alejandra	2010-07-01
Aloe derived scale inhibitor Grant 7,737,090 - Viloria , et al. June 15, 2	2010-06-15
Ceramic Microspheres For Cementing Applications App 20100144562 - Quercia; George ; et al.	2010-06-10
Water in hydrocarbon emulsion useful as low emission fuel and method for forming same Grant 7,704,288 - Rivas , et al. April 27, 2	2010-04-27
Nano-additive For Hydrocarbon Well Cementing Operations App 20100075874 - Perera Mercado; Yibran Argenis ; et al.	2010-03-25
Aloe Derived Scale Inhibitor App 20100072419 - Viloria; Alfredo ; et al.	2010-03-25
Process Using Aloe For Inhibiting Scale App 20100075870 - Viloria; Alfredo ; et al.	2010-03-25
Hydrogenation Catalyst With Improved Textural Properties App 20100075828 - Martinis; Jorge M. ; et al.	2010-03-25
Process for preparing thermally stable oil-in-water and water-in-oil emulsions App 20100022421 - Gutierrez; Xiomara ; et al.	2010-01-28
Desulphurization Of Hydrocarbon Feeds Using Electrolytic Hydrogen App 20100018903 - Baez; Victor ; et al.	2010-01-28
Hydroprocessing process Grant 7,648,685 - Dassori , et al. January 19, 2	2010-01-19
Aloe derived scale inhibitor Grant 7,645,722 - Viloria , et al. January 12, 2	2010-01-12
Reversible gelling system and method using same during well treatments Grant 7,638,467 - Ventresca , et al. December 29, 2	2009-12-29
Homogenous Synthetic Mud-to-cement Cementing Glasses App 20090288830 - Perera; Yibran ; et al.	2009-11-26
Drilling Fluid With Circulation Loss Reducing Additive Package App 20090291862 - Kakadjian; Sarkis ; et al.	2009-11-26
Electro-gasification Process Using Pre-treated Pet-coke App 20090283447 - D'Elia; Luis Felipe ; et al.	2009-11-19
Process And System Improvement For Improving And Recuperating Waste, Heavy And Extra Heavy Hydrocarbons App 20090242463 - Chirinos; Manuel ; et al.	2009-10-01
Oxygen-containing diesel fuel, process and catalyst for producing same Grant 7,501,054 - Galiasso March 10, 2	2009-03-10
Oxygen-containing diesel fuel, process and catalyst for producing same Grant 7,501,374 - Galiasso March 10, 2	2009-03-10
Dispersed Metal Sulfide-based Catalysts App 20090023965 - Pereira; Pedro ; et al.	2009-01-22
Hydroprocessing Of Naphtha Streams At Moderate Conditions App 20090008294 - Romero; Yilda ; et al.	2009-01-08
Apparatus and gasification of carbonaceous solid materials Grant 7,449,158 - Haueter , et al. November 11, 2	2008-11-11
Selective sulfur removal from hydrocarbon streams by absorption Grant 7,446,077 - Ramirez-Corredores , et al. November 4, 2	2008-11-04
Process For Treating Hydrocarbon Feeds With Electrolytic Hydrogen App 20080251422 - Baez; Victor ; et al.	2008-10-16
Separator for liquids and/or multiphase fluids Grant 7,413,669 - Gonzalez , et al. August 19, 2	2008-08-19
Modified kaolin compositions and methods for making same Grant 7,390,358 - Quesada Perez , et al. June 24, 2	2008-06-24
Downhole gas separator Grant 7,377,314 - Gonzalez May 27, 2	2008-05-27
Water In Hydrocarbon Emulsion Useful As Low Emission Fuel And Method For Forming Same App 20080060258 - Rivas; Hercilio ; et al.	2008-03-13
Biodesulfurization of hydrocarbons Grant 7,338,795 - Ranson , et al. March 4, 2	2008-03-04
Oxygen-containing Diesel Fuel, Process And Catalyst For Producing Same App 20080047193 - Galiasso; Roberto	2008-02-28
Oxygen-containing Diesel Fuel, Process And Catalyst For Producing Same App 20080045407 - Galiasso; Roberto	2008-02-21
Crystalline composition, preparation and use Grant 7,316,807 - Perez , et al. January 8, 2	2008-01-08
Aloe derived scale inhibitor App 20070281866 - Viloria; Alfredo ; et al.	2007-12-06
Crystalline Composition, Preparation And Use App 20070276175 - Perez; Andres Quesada ; et al.	2007-11-29
Aluminosilicate compositions, preparation and use Grant 7,297,319 - Vitale-Rojas , et al. November 20, 2	2007-11-20
Selective Sulfur Removal From Hydrocarbon Streams By Adsorption App 20070227948 - Ramirez-Corredores; M.M. ; et al.	2007-10-04
Surfactant Package For Well Treatment And Method For Using Same App 20070191234 - Mas; Manuel ; et al.	2007-08-16
Surfactant Package For Well Treatment And Method For Using Same App 20070191235 - Mas; Manuel ; et al.	2007-08-16
Hydrogenation catalyst with improved textural properties Grant 7,256,220 - Martinis , et al. August 14, 2	2007-08-14
Desulfurization process of hydrocarbon feeds with electrolytic hydrogen Grant 7,244,351 - Baez , et al. July 17, 2	2007-07-17
Downhole gas separator App 20070119588 - Gonzalez; Pedro	2007-05-31
Hydrogenation catalyst with improved textural properties App 20070105713 - Martinis; Jorge M. ; et al.	2007-05-10
Process for converting heavy crude oils and petroleum coke to syngas using external source of radiation Grant 7,176,246 - Rodriguez , et al. February 13, 2	2007-02-13
Hydroprocessing process Grant 7,166,209 - Dassori January 23, 2	2007-01-23
Desalting of hydrocarbons App 20060293210 - Ortega; Pedro ; et al.	2006-12-28
Offretite aluminosilicate composition and preparation and use of same App 20060246002 - Quesada Perez; Andres M. ; et al.	2006-11-02
Hydroprocessing process Grant 7,097,815 - Dassori , et al. August 29, 2	2006-08-29
Additives for improving thermal conversion of heavy crude oil Grant 7,067,053 - Cotte , et al. June 27, 2	2006-06-27
Desulfurization process of hydrocarbon feeds with electrolytic hydrogen App 20060102523 - Baez; Victor Baez ; et al.	2006-05-18
Aluminosilicate compositions, preparation and use Grant 7,041,274 - Vitale-Rojas , et al. May 9, 2	2006-05-09
Method for preparation of asphalt composition Grant 7,037,961 - Rivas , et al. May 2, 2	2006-05-02
Measurement of fluid properties in vessel and sensor for same Grant 7,032,449 - Rivas P. April 25, 2	2006-04-25
System and method for detecting and measuring liquid carry over in a gas stream Grant 7,028,535 - Ortega , et al. April 18, 2	2006-04-18
Modified kaolin compositions and methods for making same App 20050261122 - Quesada Perez, Andres M. ; et al.	2005-11-24
Separator for liquids and/or multiphase fluids App 20050218088 - Gonzalez, Jose Rafael ; et al.	2005-10-06
Process for preparing solutions with additives and surfactants Grant 6,919,381 - Nunez , et al. July 19, 2	2005-07-19
Manufacture of stable bimodal emulsions using dynamic mixing Grant 6,903,138 - Nunez , et al. June 7, 2	2005-06-07
Catalytic system for hydroconversion of naphtha Grant 6,855,247 - Tejada , et al. February 15, 2	2005-02-15
Method for in situ forming of unstable oil in water emulsion, especially as well servicing fluid Grant 6,818,599 - Gonzalez , et al. November 16, 2	2004-11-16
Biodesulfurization of hydrocarbons Grant 6,808,919 - Ranson , et al. October 26, 2	2004-10-26
Polymer-enhanced foamable drilling fluid Grant 6,800,592 - Rojas , et al. October 5, 2	2004-10-05
Catalytic system for hydroconversion of naphtha Grant 6,790,803 - Tejada , et al. September 14, 2	2004-09-14
Method for removing H2S and CO2 from above ground hydrocarbon streams Grant 6,740,141 - Espin , et al. May 25, 2	2004-05-25
Process for catalytic cracking of a hydrocarbon feed with a MFI aluminisilcate composition Grant 6,726,834 - Quesada , et al. April 27, 2	2004-04-27
Preparation of stable emulsion using dynamic or static mixers Grant 6,677,387 - Gurfinkel Castillo , et al. January 13, 2	2004-01-13
Process scheme for sequentially treating diesel and vacuum gas oil Grant 6,676,828 - Galiasso , et al. January 13, 2	2004-01-13
Hydroprocessing process Grant 6,656,348 - Dassori , et al. December 2, 2	2003-12-02
Hydroprocessing process Grant 6,649,042 - Dassori , et al. November 18, 2	2003-11-18
System and method for controlling an industrial process utilizing process trajectories Grant 6,636,842 - Zambrano , et al. October 21, 2	2003-10-21
Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone Grant 6,607,036 - Ranson , et al. August 19, 2	2003-08-19
Method for treating drilling fluid using nanoparticles Grant 6,579,832 - Jimenez , et al. June 17, 2	2003-06-17
Water-based system for altering wettability of porous media Grant 6,579,572 - Espin , et al. June 17, 2	2003-06-17
Hydroprocessing process App 20030047491 - Dassori, Carlos Gustavo ; et al.	2003-03-13
Hydroprocessing process App 20030035765 - Dassori, Carlos Gostavo ; et al.	2003-02-20
Method for consolidation of sand formations using nanoparticles Grant 6,513,592 - Espin , et al. February 4, 2	2003-02-04
Stable synthetic material and method for preparing same Grant 6,485,702 - Lujano , et al. November 26, 2	2002-11-26
Method and apparatus for drilling and completing a well Grant 6,481,501 - Chavez , et al. November 19, 2	2002-11-19
System and method for predicting parameter of hydrocarbon with spectroscopy and neural networks Grant 6,477,516 - Colaiocco , et al. November 5, 2	2002-11-05
Method for removing H2S and CO2 from crude and gas streams Grant 6,447,577 - Espin , et al. September 10, 2	2002-09-10
Process scheme for sequentially hydrotreating-hydrocracking diesel and vacuum gas oil Grant 6,444,116 - Galiasso , et al. September 3, 2	2002-09-03
Process for in SITU upgrading of heavy hydrocarbon Grant 6,405,799 - Vallejos , et al. June 18, 2	2002-06-18
System and method for optimizing production from a rod-pumping system Grant 6,343,656 - Vazquez , et al. February 5, 2	2002-02-05
Stable synthetic material and method for preparing same Grant 6,299,855 - Lujano , et al. October 9, 2	2001-10-09
Microwave heated catalyst and process Grant 6,171,479 - Ovalles , et al. January 9, 2	2001-01-09
Oil soluble coking additive, and method for making and using same Grant 6,169,054 - Pereira , et al. January 2, 2	2001-01-02
Stable synthetic material and method for preparing same Grant 6,106,802 - Lujano , et al. August 22, 2	2000-08-22
Process for scavenging hydrogen sulfide and mercaptan contaminants from a fluid Grant 6,063,346 - Luna May 16, 2	2000-05-16
Combined steam conversion process for treating vacuum gas oil Grant 6,030,522 - Pereira , et al. February 29, 2	2000-02-29
Microwave heated catalyst and process Grant 6,017,845 - Ovalles , et al. January 25, 2	2000-01-25
Water in viscous hydrocarbon emulsion combustible fuel for diesel engines and process for making same Grant 5,993,495 - Sanchez , et al. November 30, 1	1999-11-30
Portable roadway and method of assembling same Grant 5,967,694 - Covarrubias , et al. October 19, 1	1999-10-19
Emulsion with solid additive in hydrocarbon phase and process for preparing same Grant 5,964,906 - Layrisse , et al. October 12, 1	1999-10-12
MTW zeolite for cracking feedstock into olefins and isoparaffins Grant 5,952,257 - Tejada , et al. September 14, 1	1999-09-14
Bimetallic catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same Grant 5,948,942 - Ramirez de Agudelo , et al. September 7, 1	1999-09-07
Foam control using a fluidized bed of particles Grant 5,922,191 - Mata , et al. July 13, 1	1999-07-13
Catalyst for the hydroisomerization of contaminated hydrocarbon feedstock Grant 5,916,433 - Tejada , et al. June 29, 1	1999-06-29
Multiple emulsion and method for preparing same Grant 5,902,227 - Rivas May 11, 1	1999-05-11
Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same Grant 5,902,564 - Lujano , et al. May 11, 1	1999-05-11
Process for the downhole upgrading of extra heavy crude oil Grant 5,891,829 - Vallejos , et al. April 6, 1	1999-04-06
Steam conversion process and catalyst Grant 5,885,441 - Pereira , et al. March 23, 1	1999-03-23
Thermally stable drilling fluid Grant 5,883,054 - Hernandez , et al. March 16, 1	1999-03-16
Catalyst for use in the dehydrogenation and isomerization of paraffins and method Grant 5,880,324 - de Agudelo , et al. March 9, 1	1999-03-09
Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same Grant 5,849,258 - Lujano , et al. December 15, 1	1998-12-15
Synthetic material with high void volume associated with mesoporous tortuous channels having a narrow size distribution Grant 5,840,271 - Carrazza , et al. November 24, 1	1998-11-24
Nitrile selective adsorbent Grant 5,834,392 - Ramirez de Agudelo , et al. November 10, 1	1998-11-10
Catalyst for the hydroisomerization of contaminated hydrocarbon feedstock Grant 5,817,595 - Tejada , et al. October 6, 1	1998-10-06
MTW zeolite for cracking feedstock into olefins and isoparaffins Grant 5,800,801 - Tejada , et al. September 1, 1	1998-09-01
Natural surfactant with amines and ethoxylated alcohol Grant 5,792,223 - Rivas , et al. August 11, 1	1998-08-11
Oil in water emulsion well servicing fluids Grant 5,783,525 - Blanco , et al. July 21, 1	1998-07-21
MTW zeolite for cracking feedstock into olefins and isoparaffins Grant 5,770,040 - Tejada , et al. June 23, 1	1998-06-23
Process for producing reformulated gasoline by reducing sulfur, nitrogen and olefin Grant 5,770,047 - Salazar , et al. June 23, 1	1998-06-23
Olefin polymerization catalyst with additive comprising aluminum-silicon composition, calixarene derivatives or cyclodextrin derivatives Grant 5,767,034 - Diaz-Barrios , et al. June 16, 1	1998-06-16
Hydrogenation catalyst with improved attrition resistance and heat dissipation Grant 5,710,093 - Rivas , et al. January 20, 1	1998-01-20
Process and catalyst for upgrading heavy hydrocarbon Grant 5,688,395 - Carrazza , et al. November 18, 1	1997-11-18
Process and catalyst for upgrading heavy hydrocarbon Grant 5,688,741 - Carrazza , et al. November 18, 1	1997-11-18
Cement slurry Grant 5,679,731 - Rodriguez October 21, 1	1997-10-21
Thixotropic fluid for well insulation Grant 5,677,267 - Suarez , et al. October 14, 1	1997-10-14
Hydrogenation catalyst with improved attrition resistance and heat dissipation Grant 5,677,257 - Rivas , et al. October 14, 1	1997-10-14
Catalyst for use in the dehydrogenation and isomerization of paraffins Grant 5,658,839 - de Agudelo , et al. August 19, 1	1997-08-19
Hydrogenation catalyst with improved attrition resistance and heat dissipation Grant 5,648,312 - Rivas , et al. July 15, 1	1997-07-15
MTW zeolite for cracking feedstock into olefins and isoparaffins Grant 5,628,978 - Tejada , et al. May 13, 1	1997-05-13
Catalyst for the hydroisomerization of contaminated hydrocarbon feedstock Grant 5,612,273 - Prada , et al. March 18, 1	1997-03-18
Method for determining parameter of hydrocarbon Grant 5,572,030 - Ranson , et al. November 5, 1	1996-11-05
Hydrocracking of feedstocks and catalyst therefor Grant 5,558,766 - Prada , et al. September 24, 1	1996-09-24
Process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream Grant 5,513,584 - Rodriguez , et al. May 7, 1	1996-05-07
Bimodal emulsion and its method of preparation Grant 5,503,772 - Rivas , et al. April 2, 1	1996-04-02
Apparatus and method for providing shielded atmosphere for welding Grant 5,398,862 - Aleman March 21, 1	1995-03-21
Emulsion formation system and mixing device Grant 5,399,293 - Nunez , et al. March 21, 1	1995-03-21
Method and apparatus for the analysis of gas in a medium, especially hydrocarbons Grant 5,390,551 - Carvajal , et al. February 21, 1	1995-02-21
Conduit having hydrophilic and oleophobic inner surfaces for oil transportation Grant 5,385,175 - Rivero , et al. January 31, 1	1995-01-31
Process for treating alumina Grant 5,374,596 - Marquez , et al. * December 20, 1	1994-12-20
Method for recharging a spend fluid catalytic cracking process catalyst Grant 5,360,774 - Martinez , et al. November 1, 1	1994-11-01
Method of manufacturing metallosilicates Grant 5,354,719 - Gabelica , et al. October 11, 1	1994-10-11
Method of preparation of emulsions of viscous hydrocarbon in water which inhibits aging Grant 5,354,504 - Rivas , et al. October 11, 1	1994-10-11
Sorbent for treatment of effluent gas stream Grant 5,352,425 - Rodriguez , et al. October 4, 1	1994-10-04
Pumping system including flow directing shoe Grant 5,309,998 - Rivas , et al. May 10, 1	1994-05-10
Apparatus for obtaining on-line gas samples for the measurement of crude oil content Grant 5,301,536 - Ortega , et al. April 12, 1	1994-04-12
System for monitoring oil well performance Grant 5,291,777 - Chang , et al. March 8, 1	1994-03-08
Process for treating heavy crude oil Grant 5,269,909 - Ovalles , et al. December 14, 1	1993-12-14
Method and apparatus for determining the percentage water condent of oil in water emulsion by specific admittance measurement Grant 5,260,667 - Garcia-Golding , et al. November 9, 1	1993-11-09
Zeolitic catalyst of MFI type, its preparation and use Grant 5,254,327 - Martinez , et al. October 19, 1	1993-10-19
Sensor for detection of oil leaks and oil quality in stuffing box of walking beam pump system Grant 5,245,860 - Chang , et al. September 21, 1	1993-09-21
Catalyst for mild hydrocracking of cracked feedstocks and method for its preparation Grant 5,229,347 - Prada , et al. July 20, 1	1993-07-20
Double seals packers for subterranean wells Grant 5,226,492 - Solaeche P. , et al. July 13, 1	1993-07-13
Process for production of an ether-rich additive Grant 5,210,326 - Marquez , et al. May 11, 1	1993-05-11
Piezoresistive material, its preparation and use Grant 5,132,583 - Chang July 21, 1	1992-07-21
Threaded tubular connection with outer threaded ring Grant 5,129,689 - Newski , et al. July 14, 1	1992-07-14
Fertilizers having a high hardness and storage stability Grant 5,114,458 - Castillo , et al. May 19, 1	1992-05-19
Floating barriers for containing oil spills Grant 5,054,960 - Manzano , et al. October 8, 1	1991-10-08
Minimum pressure drop composite plug retention valve Grant 5,044,395 - Vadasz F. September 3, 1	1991-09-03
Hydrocracking high residual contained in vacuum gas oil Grant 5,009,768 - Galiasso , et al. April 23, 1	1991-04-23
Self lubricating, two stage variable compressor Grant 4,976,591 - Rivas , et al. December 11, 1	1990-12-11
Rotary drill bits with plural sealing systems Grant 4,955,440 - Chavez September 11, 1	1990-09-11
Catalytic system for the hydroconversion of heavy oils Grant 4,937,218 - Ramirez de Aqudelo , et al. June 26, 1	1990-06-26
Corrosion resistance of low carbon steels in a vanadium, sulfur and sodium environment at high temperatures Grant 4,929,473 - Marquez , et al. May 29, 1	1990-05-29
Process for removing vanadium and sulphur during the coking of a hydrocarbon feed Grant 4,927,524 - Rodriguez , et al. May 22, 1	1990-05-22
Viscous hydrocarbon-in-water emulsions Grant 4,923,483 - Layrisse R. , et al. May 8, 1	1990-05-08
Treatment of viscous crude oils Grant 4,915,819 - Chirinos , et al. April 10, 1	1990-04-10
Corrosion resistant aluminum product with uniformly grey, light-fast surface and process for its manufacture Grant 4,915,798 - Maitland April 10, 1	1990-04-10
Sucker rod centralizer Grant 4,913,230 - Rivas , et al. * April 3, 1	1990-04-03
Method of making a conversion catalyst having an anatase vanadium passivating agent for treating a heavy hydrocarbon feedstock Grant 4,894,354 - Martinez , et al. January 16, 1	1990-01-16
Catalytic system for the hydroconversion of heavy oils Grant 4,888,104 - Ramirez de Aqudelo , et al. December 19, 1	1989-12-19
Thermal insulating fluid Grant 4,877,542 - Lon , et al. October 31, 1	1989-10-31
Combined process for the separation and continuous coking of high softening point asphaltenes Grant 4,859,284 - Rammler , et al. August 22, 1	1989-08-22
Mild hydrocracking catalyst for the production of middle distillates Grant 4,857,494 - Martinez , et al. August 15, 1	1989-08-15
Process for the hydrogenation of heavy and residual oils Grant 4,851,107 - Kretschmar , et al. July 25, 1	1989-07-25
Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion Grant 4,834,775 - Rodriguez , et al. * May 30, 1	1989-05-30
Catalyst for the simultaneous hydrodemetallization and hydroconversion of heavy hydrocarbon feedstocks Grant 4,832,829 - de Agudelo , et al. May 23, 1	1989-05-23
Inflame desulfurization and denoxification of high sulfur containing fuels Grant 4,824,439 - Polanco , et al. April 25, 1	1989-04-25
Cracking heavy hydrocarbon feedstocks with a catalyst comprising an anatase vanadium passivating agent Grant 4,816,135 - Martinez , et al. March 28, 1	1989-03-28
Viscous hydrocarbon-in-water emulsions Grant 4,795,478 - Layrisse R. , et al. January 3, 1	1989-01-03
Preparation of emulsions Grant 4,776,977 - Taylor October 11, 1	1988-10-11
Core-annular flow process Grant 4,753,261 - Zagustin , et al. June 28, 1	1988-06-28
Multiple stepped process for the demetallization and desulfuration of heavy oil feedstocks Grant 4,752,376 - Pachano , et al. * June 21, 1	1988-06-21
Process for restarting core flow with very viscous oils after a long standstill period Grant 4,745,937 - Zagustin , et al. May 24, 1	1988-05-24
Process for solid separation from hydroprocessing liquid product Grant 4,732,664 - Solari Martini , et al. March 22, 1	1988-03-22
Catalyst for the simultaneous hydrodemetallization and hydroconversion of heavy hydrocarbon feedstocks and process for preparing the catalyst Grant 4,729,980 - Ramirez de Agudelo , et al. March 8, 1	1988-03-08
Vanadium passivating agent for use in a cracking catalyst Grant 4,704,375 - Martinez , et al. November 3, 1	1987-11-03
Method of preparation of mild hydrocracking catalyst for the production of middle distillates Grant 4,689,314 - Martinez , et al. August 25, 1	1987-08-25
Check valve Grant 4,662,392 - Vadasz * May 5, 1	1987-05-05
Process for the conversion of heavy hydrocarbon feedstocks characterized by high molecular weight, low reactivity and high metal contents Grant 4,626,340 - Galiasso , et al. December 2, 1	1986-12-02
Process for the demetallization and hydroconversion of heavy crudes and residues using a natural clay catalyst Grant 4,613,427 - Sepulveda , et al. September 23, 1	1986-09-23