Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921090 | Control method for a cryogenic refrigeration system | Herman H. Viegas | 1999-07-13 |
| 5699670 | Control system for a cryogenic refrigeration system | Herman H. Viegas | 1997-12-23 |
| 5596512 | Method of determining the condition of a back-up battery for a real time clock | Albert Wong, Michael D. McCormack | 1997-01-21 |
| 5564285 | Method of converting a time based data logger to a time and random event based data logger | James E. Nixon, Albert Wong, Jay L. Hanson, Doyle G. Herrig | 1996-10-15 |
| 5561817 | Method of securely controlling direct memory access (DMA) of a shared memory by a DMA device on an expansion board | Michael D. McCormack, Dannis R. Johnson | 1996-10-01 |
| 5499512 | Methods and apparatus for converting a manually operable refrigeration unit to remote operation | Albert Wong, Verlon J. Wirth | 1996-03-19 |
| 5437163 | Method of logging data in a transport refrigeration unit | Arthur A. Anderson | 1995-08-01 |
| 5323341 | Method of interchangeably using dip memory devices in a single socket | Michael D. McCormack, Dannis R. Johnson | 1994-06-21 |
| 5323385 | Serial bus communication method in a refrigeration system | Michael D. McCormack, Dannis R. Johnson | 1994-06-21 |
| 5201185 | Method of operating a transport refrigeration unit | Jay L. Hanson, James E. Nixon, Jeffrey B. Berge, Jayaram Seshadri | 1993-04-13 |
| 5197670 | Method of operating a transport refrigeration unit | Jay L. Hanson | 1993-03-30 |
| 5181389 | Methods and apparatus for monitoring the operation of a transport refrigeration system | Jay L. Hanson | 1993-01-26 |
| 5172560 | Method of operating a transport refrigeration system | Jay L. Hanson, Jeffrey B. Berge, Jayaram Seshadri, Alan D. Gustafson, David A. Christiansen +3 more | 1992-12-22 |
| 5123253 | Method of operating a transport refrigeration unit | Jay L. Hanson | 1992-06-23 |