Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7079364 | Overload status indicator for a refrigeration unit | Ronald G. Butcher, Gary L. Clark | 2006-07-18 |
| 6860165 | Sensor bulb attachment | Sathish R. Das | 2005-03-01 |
| 6263686 | Defrost control method and apparatus | — | 2001-07-24 |
| 6149066 | Method and apparatus for controlling supplemental heat in a heat pump system | Timothy J. Perry, Hongmei Liang, Nathan D. Wright, Raymond A. Rust, Jr., Louis J. Sullivan | 2000-11-21 |
| 6092378 | Vapor line pressure control | Sathish R. Das, Don A. Schuster, Ronald G. Butcher, Timothy J. Perry | 2000-07-25 |
| 5967411 | Method and apparatus for controlling supplemental heat in a heat pump system | Timothy J. Perry, Hongmei Liang, Nathan D. Wright, Raymond A. Rust, Jr., Louis J. Sullivan | 1999-10-19 |
| 5787728 | Suction accumulator destratifier | Satish R. Das, Don A. Schuster | 1998-08-04 |
| 5647533 | Run time criteria to control indoor blower speed | Don A. Schuster, Hongmei Liang, Frederick J. Keller, Jr. | 1997-07-15 |
| 5596879 | Method for determining optimum placement of refrigerant line muffler | Floyd B. Gant, Jr., Kenneth W. Shearer, Mark D. Singer | 1997-01-28 |
| 5538072 | Method for preventing overshoot during heat pump defrost using memorized supplemental heater capacity from previous defrost cycle | Larry D. Burns | 1996-07-23 |
| 5533568 | Managing supplementary heat during defrost on heat pumps | Don A. Schuster, Hongmei Liang, Gary D. Wedlake | 1996-07-09 |
| 4653291 | Coupling mechanism for an expansion device in a refrigeration system | Mark Moeller | 1987-03-31 |