HOTTOVY; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for HOTTOVY; John D..The latest application filed is for "measurement of product pellets flow rate".
Company Profile
3.92.83
- HOTTOVY; John D. - Porter TX
- Hottovy; John D. - Kingwood TX
- Hottovy; John D - Porter TX
- Hottovy; John D. - Humble TX US
- Hottovy; John D. - Bartlesville OK
- Hottovy; John D - Humble TX
- Hottovy; John D - Bartlesville OR
- Hottovy; John D. - Barlesville OK
- Hottovy; John D. - Houston TX
Patent Activity
| Patent | Date |
|---|---|
| Measurement of Product Pellets Flow Rate App 20200024085 - HOTTOVY; John D. ; et al. | 2020-01-23 |
| Measurement of product pellets flow rate Grant 10,494,200 - Hottovy , et al. De | 2019-12-03 |
| Heat transfer in a polymerization reactor Grant 10,478,799 - Kufeld , et al. Nov | 2019-11-19 |
| Flashline heater system and method Grant 10,301,404 - Hottovy , et al. | 2019-05-28 |
| Flow In A Slurry Loop Reactor App 20180207609 - Kufeld; Scott E ; et al. | 2018-07-26 |
| Flow in a slurry loop reactor Grant 10,029,230 - Kufeld , et al. July 24, 2 | 2018-07-24 |
| Flashline Heater System And Method App 20180186909 - Hottovy; John D. ; et al. | 2018-07-05 |
| Compressible liquid diluent in polyolefin polymerization Grant 9,962,670 - Hottovy , et al. May 8, 2 | 2018-05-08 |
| Flashline heater system and method Grant 9,932,422 - Hottovy , et al. April 3, 2 | 2018-04-03 |
| Heat Transfer in a Polymerization Reactor App 20180001293 - Kufeld; Scott E. ; et al. | 2018-01-04 |
| Pressure control to reduce pump power fluctuations Grant 9,845,369 - Hottovy , et al. December 19, 2 | 2017-12-19 |
| Polymerization product pressures in olefin polymerization Grant 9,809,660 - Hottovy , et al. November 7, 2 | 2017-11-07 |
| Pressure Control to Reduce Pump Power Fluctuations App 20170313798 - HOTTOVY; John D. ; et al. | 2017-11-02 |
| Measurement of Product Pellets Flow Rate App 20170305689 - HOTTOVY; John D. ; et al. | 2017-10-26 |
| Heat transfer in a polymerization reactor Grant 9,789,463 - Kufeld , et al. October 17, 2 | 2017-10-17 |
| Component separations in polymerization Grant 9,790,298 - Kufeld , et al. October 17, 2 | 2017-10-17 |
| System and method for seal flush Grant 9,776,158 - Nguyen , et al. October 3, 2 | 2017-10-03 |
| System and method for closed relief of a polyolefin loop reactor system Grant 9,718,948 - Hottovy , et al. August 1, 2 | 2017-08-01 |
| Polymerization Product Pressures in Olefin Polymerization App 20170158784 - Hottovy; John D. ; et al. | 2017-06-08 |
| Component Separations in Polymerization App 20170145125 - Kufeld; Scott E. ; et al. | 2017-05-25 |
| Energy efficient polyolefin process Grant 9,610,558 - McElvain , et al. April 4, 2 | 2017-04-04 |
| Polymerization product pressures in olefin polymerization Grant 9,605,095 - Hottovy , et al. March 28, 2 | 2017-03-28 |
| Component separations in polymerization Grant 9,598,514 - Kufeld , et al. March 21, 2 | 2017-03-21 |
| Pressure control to reduce pump power fluctuations Grant 9,593,189 - Hottovy , et al. March 14, 2 | 2017-03-14 |
| Temperature control for polymerizing particulate polyolefin Grant 9,579,619 - Hottovy , et al. February 28, 2 | 2017-02-28 |
| Ethylene recovery by absorption Grant 9,580,370 - Hottovy , et al. February 28, 2 | 2017-02-28 |
| Compressible Liquid Diluent In Polyolefin Polymerization App 20160346750 - Hottovy; John D. ; et al. | 2016-12-01 |
| Pressure management for slurry polymerization Grant 9,469,707 - Kufeld , et al. October 18, 2 | 2016-10-18 |
| Ethylene Recovery by Absorption App 20160297729 - HOTTOVY; John D. ; et al. | 2016-10-13 |
| System and method for closed relief of a polyolefin loop reactor system Grant 9,447,264 - Hottovy , et al. September 20, 2 | 2016-09-20 |
| Flashline Heater System And Method App 20160264693 - Hottovy; John D. ; et al. | 2016-09-15 |
| Polymerization Product Pressures in Olefin Polymerization App 20160251459 - Hottovy; John D. ; et al. | 2016-09-01 |
| System And Method For Seal Flush App 20160228843 - Nguyen; Thanh ; et al. | 2016-08-11 |
| Temperature Control for Polymerizing Particulate Polyolefin App 20160215080 - Hottovy; John D. ; et al. | 2016-07-28 |
| Ethylene recovery by absorption Grant 9,399,608 - Hottovy , et al. July 26, 2 | 2016-07-26 |
| Compressible liquid diluent in polyolefin polymerization Grant 9,358,515 - Hottovy , et al. June 7, 2 | 2016-06-07 |
| Component Separations in Polymerization App 20160152745 - Kufeld; Scott E. ; et al. | 2016-06-02 |
| Elbow and horizontal configurations in a loop reactor Grant 9,340,627 - Kufeld , et al. May 17, 2 | 2016-05-17 |
| System and method for seal flush Grant 9,321,026 - Nguyen , et al. April 26, 2 | 2016-04-26 |
| Energy Efficient Polyolefin Process App 20160101399 - McElvain; Robert R. ; et al. | 2016-04-14 |
| Method And System For Energy Generation In A Chemical Plant By Utilizing Flare Gas App 20160097532 - Hottovy; John D. | 2016-04-07 |
| Flashline heater system and method Grant 9,302,244 - Hottovy , et al. April 5, 2 | 2016-04-05 |
| Pressure Management for Slurry Polymerization App 20160083486 - Kufeld; Scott E. ; et al. | 2016-03-24 |
| Component separations in polymerization Grant 9,284,430 - Kufeld , et al. March 15, 2 | 2016-03-15 |
| Pumping apparatus and process for polymerization in loop reactors Grant 9,266,974 - Hottovy , et al. February 23, 2 | 2016-02-23 |
| Ethylene Recovery by Absorption App 20160023966 - HOTTOVY; John D. ; et al. | 2016-01-28 |
| Pressure management for slurry polymerization Grant 9,238,698 - Kufeld , et al. January 19, 2 | 2016-01-19 |
| Energy efficient polyolefin process Grant 9,221,920 - McElvain , et al. December 29, 2 | 2015-12-29 |
| Heat Transfer in a Polymerization Reactor App 20150367319 - Kufeld; Scott E. ; et al. | 2015-12-24 |
| Polymerization Product Pressures in Olefin Polymerization App 20150329650 - Hottovy; John D. ; et al. | 2015-11-19 |
| Component separations in polymerization Grant 9,187,383 - Kufeld , et al. November 17, 2 | 2015-11-17 |
| Ethylene recovery by absorption Grant 9,180,405 - Hottovy , et al. November 10, 2 | 2015-11-10 |
| Method and system for energy generation in a chemical plant by utilizing flare gas Grant 9,163,564 - Hottovy October 20, 2 | 2015-10-20 |
| System And Method For Closed Relief Of A Polyolefin Loop Reactor System App 20150284551 - HOTTOVY; John D. ; et al. | 2015-10-08 |
| Component Separations in Polymerization App 20150267027 - Kufeld; Scott E. ; et al. | 2015-09-24 |
| Polymerization product pressures in olefin polymerization Grant 9,120,886 - Hottovy , et al. September 1, 2 | 2015-09-01 |
| Component Separations in Polymerization App 20150232396 - Kufeld; Scott E. ; et al. | 2015-08-20 |
| Component separations in polymerization Grant 9,108,147 - Kufeld , et al. August 18, 2 | 2015-08-18 |
| Multiple component feed methods and systems Grant 8,992,840 - Burns , et al. March 31, 2 | 2015-03-31 |
| Elbow and horizontal configurations in a loop reactor Grant 8,932,527 - Kufeld , et al. January 13, 2 | 2015-01-13 |
| Pressure Management for Slurry Polymerization App 20150011718 - Kufeld; Scott E. ; et al. | 2015-01-08 |
| Pressure management for slurry polymerization Grant 8,921,498 - Kufeld , et al. December 30, 2 | 2014-12-30 |
| Polymerization Product Pressures in Olefin Polymerization App 20140343236 - Hottovy; John D. ; et al. | 2014-11-20 |
| Pressure management for slurry polymerization Grant 8,883,940 - Kufeld , et al. November 11, 2 | 2014-11-11 |
| Polymerization Product Pressures In Olefin Polymerization App 20140329977 - HOTTOVY; John D. ; et al. | 2014-11-06 |
| Polymerization product pressures in olefin polymerization Grant 8,871,886 - Hottovy , et al. October 28, 2 | 2014-10-28 |
| Energy Efficient Polyolefin Process App 20140256889 - McElvain; Robert R. ; et al. | 2014-09-11 |
| Continuous take off technique and pressure control of polymerization reactors Grant 8,816,024 - Hottovy August 26, 2 | 2014-08-26 |
| System And Method For Closed Relief Of A Polyolefin Loop Reactor System App 20140194583 - Hottovy; John D. ; et al. | 2014-07-10 |
| Energy efficient polyolefin process Grant 8,765,884 - McElvain , et al. July 1, 2 | 2014-07-01 |
| System And Method For Seal Flush App 20140116513 - Nguyen; Thanh ; et al. | 2014-05-01 |
| Pressure Management for Slurry Polymerization App 20140121334 - Kufeld; Scott E. ; et al. | 2014-05-01 |
| Pressure Management for Slurry Polymerization App 20140121335 - Kufeld; Scott E. ; et al. | 2014-05-01 |
| System and method for closed relief of a polyolefin loop reactor system Grant 8,703,063 - Hottovy , et al. April 22, 2 | 2014-04-22 |
| Flashline Heater System And Method App 20140065024 - Hottovy; John D. ; et al. | 2014-03-06 |
| Energy Efficient Polyolefin Process App 20140024788 - McElvain; Robert R. ; et al. | 2014-01-23 |
| Flashline heater system and method Grant 8,597,582 - Hottovy , et al. December 3, 2 | 2013-12-03 |
| Energy efficient polyolefin process Grant 8,569,433 - McElvain , et al. October 29, 2 | 2013-10-29 |
| Continuous Take Off Technique And Pressure Control Of Polymerization Reactors App 20130183200 - Hottovy; John D. | 2013-07-18 |
| Methods for removing polymer skins from reactor walls Grant 8,487,053 - Rajaendran , et al. July 16, 2 | 2013-07-16 |
| Methods for Removing Polymer Skins from Reactor Walls App 20130137836 - Rajaendran; George R. ; et al. | 2013-05-30 |
| Pumping Apparatus And Process For Polymerization In Loop Reactors App 20130102742 - Hottovy; John D. ; et al. | 2013-04-25 |
| Ethylene separation Grant 8,410,329 - Hottovy , et al. April 2, 2 | 2013-04-02 |
| Energy Efficient Polyolefin Process App 20130056899 - McElvain; Robert R. ; et al. | 2013-03-07 |
| Pumping apparatus and process for polymerization in loop reactors Grant 8,354,063 - Hottovy , et al. January 15, 2 | 2013-01-15 |
| Flashline Heater System And Method App 20130005929 - Hottovy; John D. ; et al. | 2013-01-03 |
| Continuous take off technique and pressure control of polymerization reactors Grant 8,344,078 - Hottovy January 1, 2 | 2013-01-01 |
| Energy efficient polyolefin process Grant 8,303,899 - McElvain , et al. November 6, 2 | 2012-11-06 |
| Ethylene Recovery by Absorption App 20120232232 - Hottovy; John D. ; et al. | 2012-09-13 |
| Component Separations in Polymerization App 20120232231 - Kufeld; Scott E. ; et al. | 2012-09-13 |
| System and method for measuring pressure and flow in a loop reactor Grant 8,202,949 - McElvain , et al. June 19, 2 | 2012-06-19 |
| Energy Efficient Polyolefin Process App 20120139149 - McElvain; Robert R. ; et al. | 2012-06-07 |
| Methods and systems for controlling polymer particle size Grant 8,187,547 - Hottovy , et al. May 29, 2 | 2012-05-29 |
| Ethylene Separation App 20120095181 - HOTTOVY; John D. ; et al. | 2012-04-19 |
| Methods And Systems For Controlling Polymer Particle Size App 20120070345 - Hottovy; John D. ; et al. | 2012-03-22 |
| Energy efficient polyolefin process Grant 8,128,877 - McElvain , et al. March 6, 2 | 2012-03-06 |
| Method And System For Energy Generation In A Chemical Plant By Utilizing Flare Gas App 20110308482 - Hottovy; John D. | 2011-12-22 |
| System And Method For Closed Relief Of A Polyolefin Loop Reactor System App 20110311014 - Hottovy; John D. ; et al. | 2011-12-22 |
| Energy Efficient Polyolefin Process App 20110300025 - McElvain; Robert R. ; et al. | 2011-12-08 |
| Continuous Take Off Technique and Pressure Control of Polymerization Reactors App 20110288247 - Hottovy; John D. | 2011-11-24 |
| Methods and systems for controlling polymer particle size Grant 8,058,367 - Hottovy , et al. November 15, 2 | 2011-11-15 |
| Energy efficient polyolefin process Grant 8,017,701 - McElvain , et al. September 13, 2 | 2011-09-13 |
| System and method for deinventory of polymerization reactor Grant 7,999,044 - Hottovy , et al. August 16, 2 | 2011-08-16 |
| Compressible Liquid Diluent In Polyolefin Polymerization App 20110190465 - Hottovy; John D. ; et al. | 2011-08-04 |
| Pumping Apparatus And Process For Polymerization In Loop Reactors App 20100215550 - Hottovy; John D. ; et al. | 2010-08-26 |
| Pumping apparatus and process for polymerization in loop reactors Grant 7,736,597 - Hottovy , et al. June 15, 2 | 2010-06-15 |
| Methods and Systems for Controlling Polymer Particle Size App 20100130704 - Hottovy; John D. ; et al. | 2010-05-27 |
| System and Method for Measuring Pressure and Flow in a Loop Reactor App 20100056732 - McElvain; Robert R. ; et al. | 2010-03-04 |
| System and Method for Deinventory of Polymerization Reactor App 20100056707 - Hottovy; John D. ; et al. | 2010-03-04 |
| Method and system to reduce polymerization reactor fouling Grant 7,645,841 - Shaw , et al. January 12, 2 | 2010-01-12 |
| Multiple component feed methods and systems App 20090326168 - Burns; David H. ; et al. | 2009-12-31 |
| Multiple component feed methods and systems Grant 7,615,596 - Burns , et al. November 10, 2 | 2009-11-10 |
| Apparatus and method for removing polymer solids from slurry loop reactor Grant 7,547,750 - McElvain , et al. June 16, 2 | 2009-06-16 |
| Process and apparatus for separating polymer solids, hydrocarbon fluids, and purge gas Grant 7,524,904 - Verser , et al. April 28, 2 | 2009-04-28 |
| Polymer transfer within a polymerization system Grant 7,517,947 - McElvain , et al. April 14, 2 | 2009-04-14 |
| Apparatus and method for removing polymer solids from slurry loop reactor App 20070078237 - McElvain; Robert R. ; et al. | 2007-04-05 |
| Multiple component feed methods and systems App 20070078238 - Burns; David H. ; et al. | 2007-04-05 |
| Large catalyst activator Grant 7,179,426 - Hottovy , et al. February 20, 2 | 2007-02-20 |
| Polymer Transfer Within A Polymerization System App 20060287442 - McElvain; Robert R. ; et al. | 2006-12-21 |
| Polymer transfer within a polymerization system Grant 7,109,290 - McElvain , et al. September 19, 2 | 2006-09-19 |
| Pumping apparatus and process for polymerization in loop reactors App 20060159595 - Hottovy; John D. ; et al. | 2006-07-20 |
| Monovinylarene/conjugated diene copolymers having lower glass transition temperatures Grant 7,037,980 - Stacy , et al. May 2, 2 | 2006-05-02 |
| Slurry polymerization reactor having large length/diameter ratio Grant 7,033,545 - Kufeld , et al. April 25, 2 | 2006-04-25 |
| Energy efficient polyolefin process App 20060063896 - McElvain; Robert R. ; et al. | 2006-03-23 |
| Process and apparatus for reducing take-off valve plugging in a polymerization process Grant 7,015,289 - Hottovy , et al. March 21, 2 | 2006-03-21 |
| Pumping apparatus for slurry polymerization in loop reactors Grant 7,014,821 - Hottovy , et al. March 21, 2 | 2006-03-21 |
| Method and system to reduce polymerization reactor fouling App 20060045823 - Shaw; Benjamin M. ; et al. | 2006-03-02 |
| Process for producing polyolefins Grant 7,005,485 - Burns , et al. February 28, 2 | 2006-02-28 |
| Polymer transfer within a polymerization system App 20050272914 - McElvain, Robert R. ; et al. | 2005-12-08 |
| Process for producing polyolefins Grant 6,967,230 - Hottovy , et al. November 22, 2 | 2005-11-22 |
| Monovinylarene/conjugated diene copolymers having lower glass transition temperatures App 20050101743 - Stacy, Nathan E. ; et al. | 2005-05-12 |
| Method and apparatus for reducing reactor fines App 20050095176 - Hottovy, John D. | 2005-05-05 |
| Process for producing polyolefins App 20040230031 - Hottovy, John D. ; et al. | 2004-11-18 |
| Continuous withdrawal from high solids slurry polymerization Grant 6,815,511 - Verser , et al. November 9, 2 | 2004-11-09 |
| High solids slurry polymerization using heat exchange to condense the flashed diluent Grant 6,806,324 - Hottovy , et al. October 19, 2 | 2004-10-19 |
| Method and apparatus for high solids slurry polymerization App 20040192860 - Hottovy, John D. ; et al. | 2004-09-30 |
| Process and apparatus for reducing take-off valve plugging in a polymerization process App 20040158007 - Hottovy, John D. ; et al. | 2004-08-12 |
| Process for producing polyolefins App 20040151642 - Burns, David H. ; et al. | 2004-08-05 |
| Proceess and apparatus for separating polymer solids, hydrocarbon fluids, and purge gas App 20040136882 - Verser, Donald W. ; et al. | 2004-07-15 |
| Separation of polymer particles and vaporized diluent in a cyclone App 20040136881 - Verser, Donald W. ; et al. | 2004-07-15 |
| Pumping apparatus and process for slurry polymerization in loop reactors App 20040132928 - Hottovy, John D. ; et al. | 2004-07-08 |
| Continuous withdrawal from high solids slurry polymerization App 20040122187 - Verser, Donald W. ; et al. | 2004-06-24 |
| Loop reactor apparatus and polymerization processes with multiple feed points for olefins and catalysts App 20040116625 - Hottovy, John D. ; et al. | 2004-06-17 |
| High polymer solids slurry polymerization employing 1-olefin comonomer Grant 6,743,869 - Franklin, III , et al. June 1, 2 | 2004-06-01 |
| Large catalyst activator App 20040052692 - Hottovy, John D. ; et al. | 2004-03-18 |
| Slurry Polymerization reactor having large length / diameter ratio, and process of polymerizing polyolefins in such a reactor App 20030229187 - Kufeld, Scott E. ; et al. | 2003-12-11 |
| High solids slurry polymerization App 20030092856 - Hottovy, John D. ; et al. | 2003-05-15 |
| High solids slurry polymerization App 20030050409 - Hottovy, John D. ; et al. | 2003-03-13 |
| Pumped high solids slurry polymerization App 20030027944 - Hottovy, John D. ; et al. | 2003-02-06 |
| High solids slurry polymerization using heat exchange to condense the flashed diluent App 20030023011 - Hottovy, John D. ; et al. | 2003-01-30 |
| High polymer solids slurry polymerization employing 1-olefin comonomer App 20030023009 - Franklin, Robert K. III ; et al. | 2003-01-30 |
| High polymer solids slurry polymerization App 20030023010 - Hottovy, John D. ; et al. | 2003-01-30 |
| High Solids, High Space-time Yield Slurry Polymerization App 20030012705 - Hottovy, John D. ; et al. | 2003-01-16 |
| High solids, high ethylene slurry polymerization App 20020187081 - Hottovy, John D. ; et al. | 2002-12-12 |
| Diluent slip stream to give catalyst wetting agent Grant 6,262,191 - Hottovy , et al. July 17, 2 | 2001-07-17 |
| High solids slurry polymerization Grant 6,239,235 - Hottovy , et al. May 29, 2 | 2001-05-29 |
| Metallocene production process Grant 6,239,300 - Stouffer , et al. May 29, 2 | 2001-05-29 |
| Process for treating fluid streams Grant 6,051,631 - Hottovy April 18, 2 | 2000-04-18 |
| Apparatus for maintaining unreacted monomer concentration in a polymerization reactor Grant 6,042,790 - Hottovy , et al. March 28, 2 | 2000-03-28 |
| Apparatus and method for producing ethylene polymer Grant 5,565,175 - Hottovy , et al. October 15, 1 | 1996-10-15 |
| Polymer recovery process Grant 5,183,866 - Hottovy February 2, 1 | 1993-02-02 |
| Automatic control of a multiple-effect evaporator Grant 4,676,870 - Stewart , et al. June 30, 1 | 1987-06-30 |
| Control of a vinyl acetate process Grant 4,654,801 - Stewart , et al. March 31, 1 | 1987-03-31 |
| Polymer slurry catalyst residue deactivation Grant 4,211,863 - McDaniel , et al. July 8, 1 | 1980-07-08 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 