Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958721 | Regeneration system having integral purge and ignition device | Justin McMenamy, Glenn B. Cox, Andrew J. Kieser, Ronald D. Shinogle | 2011-06-14 |
| 7132087 | Catalytic converter assembly | Stephan D. Roozenboom | 2006-11-07 |
| 6408831 | System for controlling the temperature of an intake air | Eric D. Hardin, Tony G. Kertz | 2002-06-25 |
| 6293262 | Intake air temperature control system | Tony G. Kertz | 2001-09-25 |
| 5911285 | Erosion resistant downhole mud diverter tool | Arthur Deacey Stewart | 1999-06-15 |
| 5310197 | Gasket construction | Cynthia F. Bruch, Dale E. Geyer, Lynette M. Lipski, Roger A. McHugh, Tana L. Utley | 1994-05-10 |