Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660052 | Apparatus and method for detecting characteristics of a working fluid | Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan +1 more | 1997-08-26 |
| 5522231 | Apparatus and method for mass flow control of a working fluid | Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan +1 more | 1996-06-04 |
| 5477701 | Apparatus and method for mass flow control of a working fluid | Richard L. Kenyon, Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan +1 more | 1995-12-26 |
| 5460349 | Expansion valve control element for air conditioning system | Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Roger G. Riefler +2 more | 1995-10-24 |
| 5390897 | Expansion valve for air conditioning system with proportional solenoid | Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Roger G. Riefler +2 more | 1995-02-21 |
| 5335513 | Apparatus and method for detecting characteristics of a working fluid | Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Roy M. Yabuki | 1994-08-09 |
| 5295656 | Expansion valve for air conditioning system with proportional solenoid | Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Roger G. Riefler +2 more | 1994-03-22 |
| 4345233 | Manual switch with timed electro-thermal latch release | — | 1982-08-17 |
| 4337450 | Remote control electro-thermal actuator switch | — | 1982-06-29 |