Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44084 | Control system for stand-by electrical generator | Robert D. Kern, Steven J. Wilcox, Frank Wedel, Graham W. McLean, Phillip Harrison +1 more | 2013-03-19 |
| 7000575 | Method and apparatus for reducing fan noise in an electrical generator | Robert D. Kern, Allen Gillette, Peter Winnie | 2006-02-21 |
| 6863034 | Method of controlling a bi-fuel generator set | Robert D. Kern, Steven J. Wilcox, Francis X. Wedel, Graham W. McLean, Phillip Harrison +3 more | 2005-03-08 |
| 6824067 | Method of cooling engine coolant flowing through a radiator | Robert D. Kern, Bret Baird, Allen Gillette | 2004-11-30 |
| 6784574 | Air flow arrangement for a stand-by electric generator | Chris Turner, Christine Richardson, Robert D. Kern | 2004-08-31 |
| 6742771 | Fuel mixer for internal combustion engine | Don R. Bayer | 2004-06-01 |
| 6726734 | Device for deflecting debris from lawnmower air intake | Don R. Bayer | 2004-04-27 |
| 6706084 | Device for deflecting debris from lawnmower air intake | Don R. Bayer | 2004-03-16 |
| 6686547 | Relay for a transfer mechanism which transfers power between a utility source and a stand-by generator | Robert D. Kern, Francis X. Wedel, Jeffrey J. Jonas | 2004-02-03 |
| 6668530 | Grass-cutting tractor with improved operating features | Robert D. Kern, Steven J. Wilcox, Francis X. Wedel | 2003-12-30 |
| 6659894 | Variable pitch sheave assembly for fan drive system | Robert D. Kern, Bret Baird, Allen Gillette | 2003-12-09 |
| 6657416 | Control system for stand-by electrical generator | Robert D. Kern, Steven J. Wilcox, Francis X. Wedel, Graham W. McLean, Phillip Harrison +1 more | 2003-12-02 |
| 6653821 | System controller and method for monitoring and controlling a plurality of generator sets | Robert D. Kern, Steven J. Wilcox, Francis X. Wedel, Graham W. McLean, Phillip Harrison +1 more | 2003-11-25 |
| 6630756 | Air flow arrangement for generator enclosure | Robert D. Kern, Peter Winnie, Bret Baird, Allen Gillette, Patrick J. Forsythe +1 more | 2003-10-07 |
| D479721 | Engine cover | Robert D. Kern, Guoming Wu | 2003-09-16 |
| D479532 | Engine cover | Robert D. Kern, Guoming Wu | 2003-09-09 |
| D479244 | Engine cover | Robert D. Kern, Guoming Wu | 2003-09-02 |
| 6552454 | Generator structure incorporating multiple electrical generator sets | Robert D. Kern, Peter Winnie, Bret Baird, Allen Gillette, Patrick J. Forsythe +1 more | 2003-04-22 |
| D471207 | Engine cover | Robert D. Kern, Guoming Wu | 2003-03-04 |
| 6443130 | Fuel demand regulator | Chris Turner, Robert D. Kern, Jeff Vranak, Dawei Chen | 2002-09-03 |
| 6412478 | Breather for internal combustion engine | Edward Haworth, Dawei Chen | 2002-07-02 |
| 6365982 | Apparatus and method for positioning an engine throttle | Robert Iles, Robert D. Kern, Michael T. Orlikowski, Bijun Shi, Francis X. Wedel | 2002-04-02 |
| 6181028 | Transfer mechanism for transferring power between a utility source and a stand-by generator | Robert D. Kern, Francis X. Wedel, Jeffrey J. Jonas, John G. Bagley, Steven J. Wilcox | 2001-01-30 |
| 6068017 | Dual-fuel valve | Edward Haworth, Dawei Chen | 2000-05-30 |
| 6045448 | Power-transmitting drive assembly with improved resilient devices | Robert D. Kern, Andrew B. Robson | 2000-04-04 |