JS

John A. Schield

BH Baker Hughes Holdings: 15 patents #180 of 3,522Top 6%
PE Petrolite: 14 patents #9 of 143Top 7%
📍 Missouri City, TX: #35 of 1,012 inventorsTop 4%
🗺 Texas: #4,073 of 125,132 inventorsTop 4%
Overall (All Time): #131,892 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
9725668 Process for clarifying biofuels Timothy J. O'Brien, Waynn C. Morgan 2017-08-08
9719027 Low viscosity metal-based hydrogen sulfide scavengers Corina L. Sandu, Yun Bao, Jerry J. Weers, Ross Poland, Philip L. Leung +1 more 2017-08-01
9394396 Hydrogen sulfide scavenger for use in hydrocarbons Joseph L. Stark, Robert A. Steele, Ksenija Babić-Samard{hacek over (z)}ija, Weldon J. Cappel, Matthew T. Barnes 2016-07-19
9127226 Process for clarifying biofuels Timothy J. O'Brien, Waynn C. Morgan 2015-09-08
8366914 Multifunctional scavenger for hydrocarbon fluids Jianzhong Yang, Tauseef Salma, Jerry J. Weers, Joseph L. Stark 2013-02-05
7867295 Branched carboxylic acids as fuel lubricity additives Paul J. Biggerstaff 2011-01-11
7838468 High molecular weight polyamine salts as clay stabilizing agents David J. Poelker, Joann McMahon 2010-11-23
7718586 Hydrocarbons having reduced levels of mercaptans and method and composition useful for preparing same Weldon J. Cappel 2010-05-18
7601675 Polyamine salts as clay stabilizing agents David J. Poelker, Joann McMahon 2009-10-13
7328745 High molecular weight polyamine salts as clay stabilizing agents David J. Poelker, Joann McMahon 2008-02-12
7284610 Polyamine salts as clay stabilizing agents David J. Poelker, Joann McMahon 2007-10-23
6887447 Hydrogen sulfide abatement in molten sulfur Weldon J. Cappel, Jerry J. Weers, Glenn L. Roof 2005-05-03
6656445 Hydrogen sulfide abatement in molten sulfur Weldon J. Cappel, Jerry J. Weers, Glenn L. Roof 2003-12-02
6391070 Anti-static additive compositions for hydrocarbon fuels 2002-05-21
5857287 Methods and compositions for improvement of low temperature fluidity of fuel oils Jerry J. Weers 1999-01-12
5672183 Anti-static additives for hydrocarbons 1997-09-30
5160642 Polyimide quaternary salts as clay stabilization agents Michael I. Naiman, Gary A. Scherubel 1992-11-03
4757862 Shale stabilizer and method of use thereof Michael I. Naiman 1988-07-19
4708993 Cold flow improver and method of use thereof Michael I. Naiman, Lawrence J. Cunningham 1987-11-24
4617025 Ester-containing halopolyalkylenes Michael I. Naiman 1986-10-14
4568359 Ester-containing halopolyalkylenes Michael I. Naiman 1986-02-04
4568726 Ester-containing halopolyalkylenes Michael I. Naiman 1986-02-04
4553980 Ester-containing halopolyalkylenes Michael I. Naiman 1985-11-19
4554327 Ester-containing halopolyalkylenes Michael I. Naiman 1985-11-19
4544712 Ester-containing halopolyalkylenes Michael I. Naiman 1985-10-01