Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155764 | Lubricants for use in boosted engines | Kongsheng Yang, Kristin Fletcher, William Y. Lam | 2021-10-26 |
| 10550349 | Lubricants with titanium and/or tungsten and their use for improving low speed pre-ignition | Kristin Fletcher, William Y. Lam, Kongsheng Yang | 2020-02-04 |
| 10421922 | Lubricants with magnesium and their use for improving low speed pre-ignition | Kristin Fletcher, William Y. Lam, Kongsheng Yang | 2019-09-24 |
| 10377963 | Lubricants for use in boosted engines | Kongsheng Yang, Kristin Fletcher, William Y. Lam | 2019-08-13 |
| 10336959 | Lubricants with calcium-containing detergent and their use for improving low speed pre-ignition | Kristin Fletcher, William Y. Lam, Kongsheng Yang | 2019-07-02 |
| 10280383 | Lubricants with molybdenum and their use for improving low speed pre-ignition | Kristin Fletcher, William Y. Lam, Kongsheng Yang | 2019-05-07 |
| 10214703 | Lubricants with zinc dialkyl dithiophosphate and their use in boosted internal combustion engines | Kristin Fletcher, William Y. Lam, Kongsheng Yang | 2019-02-26 |
| 9725673 | Lubricant compositions for improved engine performance | Paul G. Griffin | 2017-08-08 |
| 9550955 | Friction modifiers for lubricating oils | John T. Loper | 2017-01-24 |
| 9499762 | Additive compositions with a friction modifier and a detergent | John T. Loper | 2016-11-22 |
| 9499763 | Additive compositions with plural friction modifiers | John T. Loper | 2016-11-22 |
| 9499764 | Additive compositions with a friction modifier and a dispersant | John T. Loper | 2016-11-22 |
| 9499761 | Additive compositions with a friction modifier and a metal dialkyl dithio phosphate salt | John T. Loper | 2016-11-22 |
| 9279094 | Friction modifiers for use in lubricating oil compositions | John T. Loper | 2016-03-08 |
| 9249371 | Additive compositions with a friction modifier and a dispersant | John T. Loper | 2016-02-02 |
| 6774093 | High viscosity synthetic ester lubricant base stock | Dale Carr, Michael A. McHenry | 2004-08-10 |
| 6551968 | Biodegradable polyneopentyl polyol based synthetic ester blends and lubricants thereof | Michael A. McHenry, Dale Carr | 2003-04-22 |