Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401469 | Control unit and method for two-stage reciprocating compressor | Stephen C. Pederson | 2002-06-11 |
| 6015342 | Louver apparatus for air conditioning unit | — | 2000-01-18 |
| 5782101 | Heat pump operating in the heating mode refrigerant pressure control | — | 1998-07-21 |
| 5531076 | Multi-split fan control | Peter J. Pellenz | 1996-07-02 |
| 5354235 | Air sweep mechanism | Jon D. Rittle | 1994-10-11 |
| 5299978 | Air sweep mechanism | Jon D. Rittle | 1994-04-05 |
| 5247805 | Fan cycling means of head pressure control | — | 1993-09-28 |
| D330131 | Stand for an air conditioning coil | William Burnett | 1992-10-13 |
| 4979559 | Stacking support brackets | Frederick L. Miller, Jr. | 1990-12-25 |
| 4760707 | Thermo-charger for multiplex air conditioning system | John Douglas Manning | 1988-08-02 |
| 4643002 | Continuous metered flow multizone air conditioning system | Theodore L. Woollis | 1987-02-17 |
| 4394549 | Electrical connector | — | 1983-07-19 |