Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882913 | Slide plate economizer | Nelon N. LaCount, II, Dilip Y. Vyavaharkar | 1989-11-28 |
| 4835984 | Evaporator condensate pan with integral trap | Dilip Y. Vyavaharkar | 1989-06-06 |
| 4660761 | Flue gas heat pump | — | 1987-04-28 |
| 4519539 | Method and apparatus for regulating an economizer damper using indoor fan air pressure | James J. Del Toro | 1985-05-28 |
| 4389851 | Method for defrosting a heat exchanger of a refrigeration circuit | Ronald F. Chrostowski, James J. Del Toro | 1983-06-28 |
| 4347708 | Makeup air preconditioner for use with an air conditioning unit | — | 1982-09-07 |
| 4313313 | Apparatus and method for defrosting a heat exchanger of a refrigeration circuit | Ronald F. Chrostowski, James J. Del Toro | 1982-02-02 |
| RE30765 | Heat pump system | — | 1981-10-13 |
| 4281522 | Makeup air preconditioner for use with an air conditioning unit | — | 1981-08-04 |
| 4240269 | Heat pump system | — | 1980-12-23 |
| RE30433 | Heat exchanger | — | 1980-11-11 |
| RE30275 | Heat exchanger | James J. Del Toro | 1980-05-20 |
| RE30242 | Heat pump system | James J. Del Toro | 1980-04-01 |
| 4183401 | Combination tube sheet and baffle | William W. Bell, Jr. | 1980-01-15 |