JH

John D. Hottovy

Chevron: 70 patents #24 of 4,788Top 1%
PP Phillips Petroleum: 14 patents #111 of 1,401Top 8%
LP Lawrence Pump: 1 patents #4 of 10Top 40%
📍 Porter, TX: #1 of 74 inventorsTop 2%
🗺 Texas: #612 of 125,132 inventorsTop 1%
Overall (All Time): #20,128 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 26–50 of 85 patents

Patent #TitleCo-InventorsDate
9302244 Flashline heater system and method Scott E. Kufeld 2016-04-05
9284430 Component separations in polymerization Scott E. Kufeld, Ai-Fu Chang 2016-03-15
9266974 Pumping apparatus and process for polymerization in loop reactors Dale A. Zellers, Robert Franklin, Donald Paul Russell 2016-02-23
9238698 Pressure management for slurry polymerization Scott E. Kufeld, Bruce E. Kreischer 2016-01-19
9221920 Energy efficient polyolefin process Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more 2015-12-29
9187383 Component separations in polymerization Scott E. Kufeld, Ai-Fu Chang 2015-11-17
9180405 Ethylene recovery by absorption Ai-Fu Chang 2015-11-10
9163564 Method and system for energy generation in a chemical plant by utilizing flare gas 2015-10-20
9120886 Polymerization product pressures in olefin polymerization Scott E. Kufeld 2015-09-01
9108147 Component separations in polymerization Scott E. Kufeld, Ai-Fu Chang 2015-08-18
8992840 Multiple component feed methods and systems David H. Burns, Donald W. Verser, Elizabeth A. Benham, Max P. McDaniel, Dale A. Zellers +7 more 2015-03-31
8932527 Elbow and horizontal configurations in a loop reactor Scott E. Kufeld, Joel A. Mutchler, Ralph W. Romig, John D. Stewart, Catherine M. Gill +1 more 2015-01-13
8921498 Pressure management for slurry polymerization Scott E. Kufeld, Bruce E. Kreischer 2014-12-30
8883940 Pressure management for slurry polymerization Scott E. Kufeld, Bruce E. Kreischer 2014-11-11
8871886 Polymerization product pressures in olefin polymerization Scott E. Kufeld 2014-10-28
8816024 Continuous take off technique and pressure control of polymerization reactors 2014-08-26
8765884 Energy efficient polyolefin process Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more 2014-07-01
8703063 System and method for closed relief of a polyolefin loop reactor system Richard Peacock 2014-04-22
8597582 Flashline heater system and method Scott E. Kufeld 2013-12-03
8569433 Energy efficient polyolefin process Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more 2013-10-29
8487053 Methods for removing polymer skins from reactor walls George R. Rajaendran, Max P. McDaniel, Gregory G. Hendrickson, John D. Stewart, Ted H. Cymbaluk +7 more 2013-07-16
8410329 Ethylene separation Ted H. Cymbaluk 2013-04-02
8354063 Pumping apparatus and process for polymerization in loop reactors Dale A. Zellers, Robert Franklin, Donald Paul Russell 2013-01-15
8344078 Continuous take off technique and pressure control of polymerization reactors 2013-01-01
8303899 Energy efficient polyolefin process Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more 2012-11-06