Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988135 | Cleaner, more efficient engines | — | 2024-05-21 |
| 11772487 | Vehicle rear drive axle | — | 2023-10-03 |
| 10738562 | Crude oil production method and equipment | — | 2020-08-11 |
| 10287971 | Opposed piston engine | — | 2019-05-14 |
| 10053965 | Crude oil production method and equipment | — | 2018-08-21 |
| 8608602 | Belt clutch | — | 2013-12-17 |
| 8374760 | Control of multi-speed transmission | Mark W. Snyder | 2013-02-12 |
| 8113307 | Electric vehicle drive system | — | 2012-02-14 |
| 7461714 | Electric bicycle with jackshaft assembly | — | 2008-12-09 |
| 7314109 | Electric bicycle | — | 2008-01-01 |
| 6874794 | Safety brake using bearings for in-line skates | — | 2005-04-05 |
| 6425588 | Safety brake for in-line skates | — | 2002-07-30 |
| 6397402 | Protective uniform for combination football and skating game and other high-impact applications | Joseph M. Skorpen, William L. Fowler | 2002-06-04 |
| 6149529 | Combination football and skating game with enclosed ramp field and different scoring zones | William L. Fowler, Bruce E. Austin, Joseph M. Skorpen | 2000-11-21 |
| 5510007 | Electrochemical generation of silane | Gardy Cadet, James W. Mitchell, Jorge Valdes | 1996-04-23 |
| 4519457 | Oil well standing valve | Harold L. Petrie, John R. Brennan, Frederick C. Christ | 1985-05-28 |