Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460354 | Method and apparatus for detecting low refrigerant charge | Roy M. Yabuki, Derek Y. Kamemoto, Virender Jain | 2002-10-08 |
| 5877476 | Apparatus and method for mass flow control of a working fluid | Roy M. Yabuki, Virender Jain, Michael Nolan | 1999-03-02 |
| 5660052 | Apparatus and method for detecting characteristics of a working fluid | Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more | 1997-08-26 |
| 5629660 | Expansion valve for air conditioning system with proportional solenoid | Roger G. Riefler, Ashok G. Zopey | 1997-05-13 |
| 5522231 | Apparatus and method for mass flow control of a working fluid | Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more | 1996-06-04 |
| 5477701 | Apparatus and method for mass flow control of a working fluid | Roy M. Yabuki, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more | 1995-12-26 |
| 5460349 | Expansion valve control element for air conditioning system | Chester D. Campbell, Sandra L. Harper, Virender Jain, 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, Virender Jain, 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, Virender Jain, Alan Matthies, Roy M. Yabuki | 1994-08-09 |
| 5295656 | Expansion valve for air conditioning system with proportional solenoid | Chester D. Campbell, Sandra L. Harper, Virender Jain, Alan Matthies, Roger G. Riefler +2 more | 1994-03-22 |
| 5144801 | Electro-hydraulic actuator system | Dino C. Scanderbeg, William D. Wilkerson, Michael Nolan | 1992-09-08 |
| 4831833 | Frost detection system for refrigeration apparatus | Patricia Duenes, John N. Scapes, Eugene H. Schild, Arthur P. Strong | 1989-05-23 |
| 4684368 | Inverted pump | — | 1987-08-04 |
| 4524906 | Temperature control valve and sensor/controller therefor | Calvin E. Kempton | 1985-06-25 |