Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139686 | Lubricating composition and method of lubricating an internal combustion engine | John G. Loop | 2024-11-12 |
| 9399747 | Low ash lubricants with improved seal and corrosion performance | Matthew D. Gieselman, John G. Loop | 2016-07-26 |
| 8809244 | Lubricants containing aromatic dispersants and titanium | Virginia A. Carrick, John K. Pudelski | 2014-08-19 |
| 8569217 | Lubricating composition containing a carboxylic functionalised polymer and dispersant | Matthew D. Gieselman, John K. Pudeiski, Thomas Derevjanik | 2013-10-29 |
| 7960320 | Dispersant viscosity modifiers containing aromatic amines | Michael J. Covitch, John K. Pudelski, Christopher L. Friend, Matt D. Gieselman, Renee A. Eveland +1 more | 2011-06-14 |
| 7790661 | Dispersant viscosity modifiers containing aromatic amines | Michael J. Covitch, John K. Pudelski, Christopher L. Friend, Matt D. Gieselman, Renee A. Eveland +1 more | 2010-09-07 |
| 6770605 | Modified polyisobutylene succinimide dispersants having improved seal, sludge, and deposit performance | Carl F. Stachew, Gordon Lamb, William D. Abraham | 2004-08-03 |
| 5968880 | Lubricating compositions, functional fluids and greases containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same | Naresh C. Mathur | 1999-10-19 |
| 5622923 | Lubricating compositions, functional fluids and greases containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same | Naresh C. Mathur | 1997-04-22 |