Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554334 | Air cleaner | Hans L. Drabek | 2023-01-17 |
| D916020 | Generator set | Hans L. Drabek | 2021-04-13 |
| 8459216 | Air distribution scroll with volute assembly | Benjamin J. Kirchoff | 2013-06-11 |
| 8365520 | System and method for auxilary power unit emissions management | Ronald J. Mellum, Lowell K. Siewert | 2013-02-05 |
| 5509393 | Vacuum lockoff apparatus and method | Curtis D. Leaf, Larry N. Drozdik, John Hughes | 1996-04-23 |
| 5433175 | Generator air flow and noise management system and method | John Hughes, Steven R. Kuczenski | 1995-07-18 |
| 5193501 | Method for assembling and preloading shaft assemblies in reciprocating internal combustion engines | Curtis D. Leaf, James I. R. Butcher | 1993-03-16 |
| 5165376 | Tapered governor arm/governor shaft joint | Curtis D. Leaf | 1992-11-24 |