PS

Paul R. Stevenson

TL The Lubrizol: 23 patents #30 of 659Top 5%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
📍 Belper, MI: #1 of 1 inventorsTop 100%
Overall (All Time): #161,205 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12104133 Fuel additives and formulations for improving performance of gasoline direct injection engines Stuart L. Bartley, Garrett Parker, Jeremy Cleron, Hannah Greenfield 2024-10-01
11820957 Low molecular weight amide/ester containing quaternary ammonium salts David J. Moreton, Hannah Greenfield, David C. Arters, James H. Bush, Paul E. Adams 2023-11-21
11781085 Low molecular weight imide containing quaternary ammonium salts David C. Arters, David J. Moreton, James H. Bush, Paul E. Adams 2023-10-10
11254646 Ultra-low molecular weight imide containing quaternary ammonium salts having short hydrocarbon tails David C. Arters, David J. Moreton, James H. Bush, Paul E. Adams 2022-02-22
11174444 Diesel detergent without a low molecular weight penalty James H. Bush, Robert H. Barbour, David J. Moreton, Hannah Greenfield, David C. Arters 2021-11-16
11124720 Fuel additives Stuart L. Bartley 2021-09-21
10913910 Quaternary ammonium amide and/or ester salts James C. Ray, David J. Moreton, James H. Bush 2021-02-09
10669496 Diesel detergent without a low molecular weight penalty James H. Bush, Robert H. Barbour, David J. Moreton, Hannah Greenfield, David C. Arters 2020-06-02
10479950 Quaternary ammonium amide and/or ester salts James C. Ray, David J. Moreton, James H. Bush 2019-11-19
10202559 Diesel detergent without a low molecular weight penalty James H. Bush, Robert H. Barbour, David J. Moreton, Hannah Greenfield, David C. Arters 2019-02-12
10160850 Quaternary ammonium salt of a polyalkene-substituted amine compound David J. Moreton, Dean Thetford, Jonathan S. Vilardo 2018-12-25
10023819 Quaternary ammonium amide and/or ester salts James C. Ray, David J. Moreton, James H. Bush 2018-07-17
10005978 Diesel detergent without a low molecular weight penalty James H. Bush, Robert H. Barbour, David J. Moreton, Hannah Greenfield, David C. Arters 2018-06-26
9777240 Lubricating composition containing an aromatic compound Matthew D. Gieselman, Seth L. Crawley, David J. Moreton, Jeffry G. Dietz 2017-10-03
9279093 Lubricating composition containing an aromatic compound Matthew D. Gieselman, Seth L. Crawley, David J. Moreton, Jeffry G. Dietz 2016-03-08
9150813 Lubricating composition containing an aromatic compound Matthew D. Gieselman, Seth L. Crawley, David J. Moreton, Jeffry G. Dietz 2015-10-06
8961623 Quaternary ammonium amide and/or ester salts James C. Ray, David J. Moreton, James H. Bush 2015-02-24
8821596 Nitrogen-free deposit control fuel additives and one step process for the making thereof David J. Moreton, William R. S. Barton, David C. Arters, Jeffry G. Dietz 2014-09-02
8476207 Quaternary ammonium salt detergents for use in lubricating compositions William R. S. Barton, Mark C. Davies, David J. Moreton, Dean Thetford 2013-07-02
8153570 Quaternary ammonium salt detergents for use in lubricating compositions William R. S. Barton, Mark C. Davies, David J. Moreton, Dean Thetford 2012-04-10
8083814 Quaternary ammonium salt of a mannich compound Dean Thetford, Jonathan S. Vilardo 2011-12-27
7951211 Quaternary ammonium salt detergents for use in fuels William R. S. Barton, Mark C. Davies, David J. Moreton, Dean Thetford 2011-05-31
7947093 Quaternary ammonium salt detergents for use in fuels William R. S. Barton, Mark C. Davies, David J. Moreton, Dean Thetford 2011-05-24
7906470 Quaternary ammonium salt of a Mannich compound Dean Thetford, Jonathan S. Vilardo 2011-03-15
6554331 Outside door handle for a motor vehicle Robert E. Ciborowski, Marcus J Galli, David Davies 2003-04-29