Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600960 | Boiler system ignition sequence detector and associated methods of protecting boiler systems | — | 2003-07-29 |
| 6507761 | Boiler system ignition sequence detector and associated methods of protecting boiler systems | — | 2003-01-14 |
| 6122567 | Boiler system ignition sequence detector and associated methods of protecting boiler systems | — | 2000-09-19 |
| 6023132 | Electronic ballast deriving auxilliary power from lamp output | Kent E. Crouse, Peter W. Shackle, Ronald J. Bezdon | 2000-02-08 |
| 5982113 | Electronic ballast producing voltage having trapezoidal envelope for instant start lamps | Kent E. Crouse, Peter W. Shackle, Ronald J. Bezdon | 1999-11-09 |
| 5973455 | Electronic ballast with filament cut-out | Grigoriy Mirskiy, William L. Keith, Kent E. Crouse, Peter W. Shackle, Ronald J. Bezdon | 1999-10-26 |
| 5936357 | Electronic ballast that manages switching frequencies for extrinsic purposes | Kent E. Crouse, Ronald J. Bezdon | 1999-08-10 |
| 5925990 | Microprocessor controlled electronic ballast | Kent E. Crouse, Ronald J. Bezdon, Michael W. Bandel, Boyko Boykov, Peter W. Shackle +1 more | 1999-07-20 |
| 5789866 | Electronic ballast with reversely wound filament winding | William L. Keith, Bruce Rhodes | 1998-08-04 |
| 5602670 | Optical data receiver employing a solar cell resonant circuit and method for remote optical data communication | — | 1997-02-11 |
| 4663613 | Protective system for hot tub water and power supply | William F. Raleigh | 1987-05-05 |
| 4421270 | Electronic temperature control | William F. Raleigh | 1983-12-20 |
| 4361274 | Electronic temperature control | William F. Raleigh | 1982-11-30 |
| 4332164 | BTU Meter | Robert Schlesinger | 1982-06-01 |