| Patent | Date |
|---|
Fouling resistant spark plugs
Grant 10,992,112 - Zheng , et al. April 27, 2 | 2021-04-27 |
Fouling Resistant Spark Plugs
App 20190214794 - ZHENG; Jing ; et al. | 2019-07-11 |
Extended-life oil management system and method of using same
Grant 9,623,350 - Rohrbach , et al. April 18, 2 | 2017-04-18 |
Additive dispersing filter and method
Grant 9,539,531 - Bilski , et al. January 10, 2 | 2017-01-10 |
Anti-fouling spark plug and method of making
Grant 9,350,143 - Unger , et al. May 24, 2 | 2016-05-24 |
Anti-fouling spark plug and method of making
Grant 8,981,632 - Unger , et al. March 17, 2 | 2015-03-17 |
Extended-life Oil Management System And Method Of Using Same
App 20140246380 - Rohrbach; Ronald P. ; et al. | 2014-09-04 |
Method Of Making A Chemically Active Filter Element For An Oil Filter
App 20140230224 - Unger; Peter D. ; et al. | 2014-08-21 |
Lubricating oil conditioning filter containing improved pelletized conditioner
Grant 8,795,522 - Unger , et al. August 5, 2 | 2014-08-05 |
Additive Dispersing Filter And Method
App 20140150335 - Bilski; Gerard W. ; et al. | 2014-06-05 |
Fouling resistant spark plug
Grant 8,729,784 - Rohrbach , et al. May 20, 2 | 2014-05-20 |
Anti-fouling Spark Plug And Method Of Making
App 20140131927 - Unger; Peter D. ; et al. | 2014-05-15 |
Fouling Resistant Spark Plug
App 20130214672 - Rohrbach; Ronald P. ; et al. | 2013-08-22 |
Additive dispersing filter and method of making
Grant 8,388,838 - Gerwin , et al. March 5, 2 | 2013-03-05 |
Anti-fouling Spark Plug And Method Of Making
App 20120299457 - Unger; Peter D. ; et al. | 2012-11-29 |
Evaporative emissions filter
Grant 8,216,349 - Zulauf , et al. July 10, 2 | 2012-07-10 |
Method of adding fuel additive to diesel fuel
Grant 8,216,461 - Tabb , et al. July 10, 2 | 2012-07-10 |
Method And Apparatus For Removal Of Particles From Lubricating Oil
App 20120031760 - Cheekala; Nageswara Rao ; et al. | 2012-02-09 |
Fuel Filter
App 20110277374 - Tabb; Scott J. ; et al. | 2011-11-17 |
Apparatus and Method for Storing and Releasing Sulfur Containing Aromatic Compounds From a Fuel Stream of an Internal Combustion Engine
App 20110210051 - Rohrbach; Ronald P. ; et al. | 2011-09-01 |
Fuel filter and method of adding fuel additive to diesel fuel
Grant 7,938,960 - Tabb , et al. May 10, 2 | 2011-05-10 |
Additive Dispersing Filter And Method Of Making
App 20100219112 - Gerwin; Weston H. ; et al. | 2010-09-02 |
Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine
Grant 7,785,548 - Rohrbach , et al. August 31, 2 | 2010-08-31 |
Surface Modification Of Inorganic Metal Oxides For Enhanced Sulfur Selectivity In Transportion Fuels
App 20100163456 - Bause; Daniel E. ; et al. | 2010-07-01 |
Regeneration Of Sulfur Sorbents
App 20100154391 - Unger; Peter D. ; et al. | 2010-06-24 |
Diesel Sulfur Filter-nanoadsorber And Method Of Filtering A Liquid Fuel
App 20100133193 - Zulauf; Gary B. ; et al. | 2010-06-03 |
Method And Apparatus For Removal Of Soot From Lubricating Oil
App 20100101959 - Bause; Daniel E. ; et al. | 2010-04-29 |
Evaporative Emissions Filter
App 20100101542 - Zulauf; Gary B. ; et al. | 2010-04-29 |
Portable fuel desulfurization unit
Grant 7,704,383 - Zulauf , et al. April 27, 2 | 2010-04-27 |
Evaporative emissions filter
Grant 7,655,166 - Zulauf , et al. February 2, 2 | 2010-02-02 |
Improvements In Regeneration Of Sulfur Sorbents
App 20090255875 - Unger; Peter D. ; et al. | 2009-10-15 |
Additive dispersing filter and method of making
Grant 7,588,691 - Gerwin , et al. September 15, 2 | 2009-09-15 |
Apparatus and method for removing sulfur containing compounds from a post-refinery fuel stream
Grant 7,575,688 - Rohrbach , et al. August 18, 2 | 2009-08-18 |
Apparatus and Method for Storing and Releasing Sulfur Containing Aromatic Compounds From a Fuel Stream of an Internal Combustion Engine
App 20090188244 - Rohrbach; Ronald P. ; et al. | 2009-07-30 |
Additive Dispersing Filter And Method Of Making
App 20090101272 - Gerwin; Weston H. ; et al. | 2009-04-23 |
Portable Fuel Desulturization Unit
App 20090095683 - Zulauf; Gary B. ; et al. | 2009-04-16 |
Additive dispersing filter and method of making
Grant 7,481,923 - Gerwin , et al. January 27, 2 | 2009-01-27 |
Method For Regenerating Lube Oil Dispersant
App 20080227674 - Rohrbach; Ronald P. ; et al. | 2008-09-18 |
Lubricating Oil Conditioning Filter Containing Improved Pelletized Conditioner
App 20080223780 - Unger; Peter D. ; et al. | 2008-09-18 |
Fuel Filter
App 20080210611 - Tabb; Scott J. ; et al. | 2008-09-04 |
Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine
Grant 7,410,585 - Rohrbach , et al. August 12, 2 | 2008-08-12 |
Evaporative Emissions Filter
App 20080184891 - Zulauf; Gary B. ; et al. | 2008-08-07 |
Evaporative emissions filter
Grant 7,344,586 - Zulauf , et al. March 18, 2 | 2008-03-18 |
Apparatus And Method For Removal Of Soot From Lubricating Oil
App 20080060949 - Unger; Peter D. ; et al. | 2008-03-13 |
Additive Dispersing Filter And Method Of Making
App 20080047887 - Gerwin; Weston H. ; et al. | 2008-02-28 |
Apparatus And Method For Removing Sulfur Containing Compounds From A Post-refinery Fuel Stream
App 20070189939 - Rohrbach; Ronald P. ; et al. | 2007-08-16 |
Evaporative emissions filter
Grant 7,182,802 - Bause , et al. February 27, 2 | 2007-02-27 |
Evaporative emissions filter
Grant 7,163,574 - Bause , et al. January 16, 2 | 2007-01-16 |
Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine
App 20050236334 - Rohrbach, Ronald P. ; et al. | 2005-10-27 |
Evaporative emissions filter
App 20050145224 - Zulauf, Gary B. ; et al. | 2005-07-07 |
Protective fabrics
App 20050129914 - Rim, Peter B. ; et al. | 2005-06-16 |
Physical colored inks and coatings
Grant 6,893,489 - Lem , et al. May 17, 2 | 2005-05-17 |
Evaporative emissions filter
App 20050000362 - Bause, Daniel E. ; et al. | 2005-01-06 |
Evaporative emissions filter
App 20040182240 - Bause, Daniel E. ; et al. | 2004-09-23 |
Accordion-pleated filter material and filter element incorporating same
Grant 6,726,751 - Bause , et al. April 27, 2 | 2004-04-27 |
Chemical/Biological decontamination filter
Grant 6,706,092 - Rohrbach , et al. March 16, 2 | 2004-03-16 |
Chemical/biological decontamination filter
App 20030196549 - Rohrbach, Ronald P. ; et al. | 2003-10-23 |
Apparatus for controlling air quality
Grant 6,623,550 - Shah , et al. September 23, 2 | 2003-09-23 |
Breathable electromagnetic shielding material
Grant 6,610,395 - Rohrbach , et al. August 26, 2 | 2003-08-26 |
Physical colored inks and coatings
App 20030116747 - Lem, Kwok-Wai ; et al. | 2003-06-26 |
Accordion-pleated filter material, method of making same, and filter element incorporating same
App 20030089092 - Bause, Daniel E. ; et al. | 2003-05-15 |
Anti-microbial fibrous media
Grant 6,514,306 - Rohrbach , et al. February 4, 2 | 2003-02-04 |
Method and apparatus for controlling air quality
App 20030019359 - Shah, Dipak J. ; et al. | 2003-01-30 |
Breathable electromagnetic shielding material
App 20020187330 - Rohrbach, Ronald P. ; et al. | 2002-12-12 |
Cleansing Oil Filter Containing Quick-release Liquid Antioxidant/additive Solution, And Method Of Using Same To Convert An Egine From Petroleum-based Oil To Botanically-based Oil
App 20020179033 - Zulauf, Gary ; et al. | 2002-12-05 |
Method And Apparatus For Controlling Air Quality
App 20020124726 - Shah, Dipak J. ; et al. | 2002-09-12 |
Method and apparatus for controlling air quality
Grant 6,428,608 - Shah , et al. August 6, 2 | 2002-08-06 |
Electrically conductive shaped fibers
Grant 6,117,802 - Rohrbach , et al. September 12, 2 | 2000-09-12 |
Filtration device and method using absorption for the removal of gas phase contaminants
Grant 6,004,381 - Rohrbach , et al. December 21, 1 | 1999-12-21 |
Multicomponent depth odor control filter and method of manufacture
Grant 5,951,744 - Rohrbach , et al. September 14, 1 | 1999-09-14 |
Elongate fiber filter mechanically securing solid adsorbent particles between adjacent multilobes
Grant 5,759,394 - Rohrbach , et al. June 2, 1 | 1998-06-02 |
Hollow fibers impregnated with solid particles
Grant 5,744,236 - Rohrbach , et al. April 28, 1 | 1998-04-28 |
Filtration device using absorption for the removal of gas phase contaminants
Grant 5,713,971 - Rohrbach , et al. February 3, 1 | 1998-02-03 |
Method and apparatus for the continuous capturing and removal of gas molecules
Grant 5,704,966 - Rohrbach , et al. January 6, 1 | 1998-01-06 |
Use a solvent impregnated crosslinked matrix for metal recovery
Grant 5,578,217 - Unger , et al. November 26, 1 | 1996-11-26 |
Process for making low density hydrogel materials having high surface areas
Grant 5,541,234 - Unger , et al. July 30, 1 | 1996-07-30 |
Highly porous chitosan bodies
Grant 5,525,710 - Unger , et al. June 11, 1 | 1996-06-11 |
Low density materials having good compression strength and articles formed therefrom
Grant 5,502,082 - Unger , et al. March 26, 1 | 1996-03-26 |
Low density materials having high surface areas and articles formed therefrom
Grant 5,494,940 - Unger , et al. February 27, 1 | 1996-02-27 |
Device for treating and conditioning engine coolant
Grant 5,435,346 - Tregidgo , et al. July 25, 1 | 1995-07-25 |
Modified agar and process for preparing modified agar for use ceramic composition to add green strength and/or improve other properties of a preform
Grant 5,397,520 - Rohrbach , et al. * March 14, 1 | 1995-03-14 |
Modified agar and process for preparing modified agar for use ceramic composition to add green strength and/or improve other properties of a preform
Grant 5,286,767 - Rohrbach , et al. February 15, 1 | 1994-02-15 |
Cyclodextrin films on solid substrates
Grant 5,098,793 - Rohrbach , et al. March 24, 1 | 1992-03-24 |
Reduced monascus pigment derivatives as yellow food colorants
Grant 5,013,564 - St. Martin , et al. May 7, 1 | 1991-05-07 |
Method of preparing cyclodextrin-coated surfaces
Grant 4,917,956 - Rohrbach April 17, 1 | 1990-04-17 |
Crosslinked cyclodextrins supported on porous refractory inorganic oxides
Grant 4,902,788 - Zemel , et al. February 20, 1 | 1990-02-20 |
Production of high sugar syrups
Grant 4,511,654 - Rohrbach , et al. April 16, 1 | 1985-04-16 |
Support matrices and immobilized enzyme systems
Grant 4,416,992 - Arena , et al. November 22, 1 | 1983-11-22 |
Method of preparing a support matrix
Grant 4,292,199 - Rohrbach , et al. September 29, 1 | 1981-09-29 |
Support matrices for immobilized enzymes
Grant 4,268,423 - Rohrbach , et al. May 19, 1 | 1981-05-19 |
Support matrices for immobilized enzymes
Grant 4,268,419 - Rohrbach May 19, 1 | 1981-05-19 |
Support matrices for immobilized enzymes
Grant 4,206,259 - Rohrbach , et al. June 3, 1 | 1980-06-03 |
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