Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351855 | Humidistat reset control | Lorne W. Nelson | 1994-10-04 |
| 5318104 | Error based zone controller | Dipak J. Shah, J. Ward MacArthur, Robert L. Buchholz, Lorne W. Nelson | 1994-06-07 |
| 5115968 | Method and apparatus for controlling a heating/cooling system based on a temperature error | — | 1992-05-26 |
| 5024265 | Zone control system providing synchronization of system operation with the zone of greatest demand | Robert L. Buchholz, Lorne W. Nelson, Dipak J. Shah | 1991-06-18 |
| 4901918 | Adaptive anticipator mechanism for limiting room temperature swings | J. Ward MacArthur | 1990-02-20 |
| 4889280 | Temperature and humidity auctioneering control | J. Ward MacArthur | 1989-12-26 |
| 4873649 | Method for operating variable speed heat pumps and air conditioners | J. Ward MacArthur | 1989-10-10 |