Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072758 | Lubricant composition containing an antiwear agent | Daniel J. Saccomando, William R. S. Barton, Ewan E. Delbridge | 2021-07-27 |
| 11034910 | Lubricant compositions for direct injection engines | Jeffry G. Dietz, Alexander Sammut | 2021-06-15 |
| 10988702 | Zinc-free lubricating composition | Ewan E. Delbridge | 2021-04-27 |
| 10913915 | Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine | Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton +1 more | 2021-02-09 |