Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462976 | Smart material actuator | Daniel O. Semmere, Robert W. Ragen, Jr., Daniel C. Massie | 2008-12-09 |
| 6460354 | Method and apparatus for detecting low refrigerant charge | Roy M. Yabuki, Derek Y. Kamemoto, Richard L. Kenyon | 2002-10-08 |
| 5877476 | Apparatus and method for mass flow control of a working fluid | Roy M. Yabuki, Richard L. Kenyon, Michael Nolan | 1999-03-02 |
| 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, Richard L. Kenyon, Alan Matthies, Roger G. Riefler +2 more | 1995-10-24 |
| 5390897 | Expansion valve for air conditioning system with proportional solenoid | Chester D. Campbell, Sandra L. Harper, Richard L. Kenyon, Alan Matthies, 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, Richard L. Kenyon, Alan Matthies, Roy M. Yabuki | 1994-08-09 |
| 5295656 | Expansion valve for air conditioning system with proportional solenoid | Chester D. Campbell, Sandra L. Harper, Richard L. Kenyon, Alan Matthies, Roger G. Riefler +2 more | 1994-03-22 |