Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571805 | Multi-container pressure washer and related product selecting valve | Peter Nushart, Wes Sodemann | 2003-06-03 |
| 5902094 | Flow control valve for a pressure washer | Robert D. Kern, Gerald C. Ruehlow, Wes Sodemann, Fred Yang | 1999-05-11 |
| 5890413 | Piston for water pump and related method | Don R. Bayer, Robert D. Kern, Gerald C. Ruehlow, Wes Sodemann | 1999-04-06 |
| 5823752 | Adapter for mechanically coupling a pump and a prime mover | Robert D. Kern, Gerald C. Ruehlow, Wes Sodemann | 1998-10-20 |
| 5504417 | Engine-driven generator | Robert D. Kern, Gerald C. Ruehlow, Mark J. Sarder, Graham W. McLean, Michael R. Wheeley +2 more | 1996-04-02 |
| 5497735 | Internal combustion engine for portable power generating equipment | Robert D. Kern, Gerald C. Ruehlow, Mark J. Sarder | 1996-03-12 |
| 5317999 | Internal combustion engine for portable power generating equipment | Robert D. Kern, Gerald C. Ruehlow, Mark J. Sarder | 1994-06-07 |