Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571047 | Detection of valve deactivation failure by monitoring exhaust temperature | Jeffrey M. Pfeiffer | 2009-08-04 |
| 7325534 | Supplemental internal air cooling of an internal combustion engine | James P. Waters, Timothy W. Kunz | 2008-02-05 |
| 7314034 | System for verifying cylinder deactivation status in a multi-cylinder engine | James P. Waters, Kenneth M. Simpson | 2008-01-01 |
| 7063057 | Method for effectively diagnosing the operational state of a variable valve lift device | James P. Waters | 2006-06-20 |
| 7047924 | Method for diagnosing the operational state of a two-step variable valve lift device | James P. Waters | 2006-05-23 |
| 7047957 | Method and apparatus for monitoring a multiple step valve lifter | James C. Smith | 2006-05-23 |