Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154895 | Method and apparatus for DC bus capacitor pre-charge | — | 2012-04-10 |
| 7520308 | Drive unit for controlling reciprocating electromagnets | David W. Siegler, William D. Straw | 2009-04-21 |
| 6768408 | Method of configuring common mode/differential mode choke | Glenn Ray | 2004-07-27 |
| 6617950 | Common mode/differential mode choke | Glenn Ray | 2003-09-09 |
| 6101105 | Apparatus and method for identifying an unregulated DC bus voltage | — | 2000-08-08 |
| 5777377 | Bus bar having reduced parasitic inductances and equal current path lengths | — | 1998-07-07 |
| 5528073 | Bus bar having reduced parasitic inductances and equal current path lengths | — | 1996-06-18 |
| 5483142 | Precharge circuit having microprocessor-based firing angle control circuitry | Gary L. Skibinski | 1996-01-09 |
| 4428150 | Electrode arrangement for electric weed killing apparatus | Allois F. Geiersbach | 1984-01-31 |
| 4360852 | Overcurrent and overtemperature protective circuit for power transistor system | — | 1982-11-23 |
| 4338743 | Safety system for weed destroying apparatus operable to alternatively supply auxiliary power | — | 1982-07-13 |
| 4338744 | Safety system for weed destroying apparatus | — | 1982-07-13 |