Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284024 | Method of detecting short cycling of air discharged by a refrigeration unit | Gerald J. Ladendorf, Doyle G. Herrig | 1994-02-08 |
| 5275011 | Method of operating a refrigeration system | Donald G. Knauff, Gerald J. Ladendorf | 1994-01-04 |
| 5249429 | Methods of operating a refrigeration system | — | 1993-10-05 |
| 5222368 | Method of operating a transport refigeration unit | — | 1993-06-29 |
| 5201185 | Method of operating a transport refrigeration unit | James E. Nixon, Romuald M. Jurewicz, Jeffrey B. Berge, Jayaram Seshadri | 1993-04-13 |
| 5201186 | Method of operating a transport refrigeration unit | — | 1993-04-13 |
| 5197670 | Method of operating a transport refrigeration unit | Romuald M. Jurewicz | 1993-03-30 |
| 5186015 | Transport refrigeration unit and method of operating same | Roland L. Roehrich | 1993-02-16 |
| 5181389 | Methods and apparatus for monitoring the operation of a transport refrigeration system | Romuald M. Jurewicz | 1993-01-26 |
| 5172560 | Method of operating a transport refrigeration system | Romuald M. Jurewicz, Jeffrey B. Berge, Jayaram Seshadri, Alan D. Gustafson, David A. Christiansen +3 more | 1992-12-22 |
| 5161383 | Method of operating a transport refrigeration unit | Leland L. Howland | 1992-11-10 |
| 5161384 | Method of operating a transport refrigeration system | Lowell B. Naley, Norman F. Spear | 1992-11-10 |
| 5140826 | Method of operating a transport refrigeration unit | Leland L. Howland | 1992-08-25 |
| 5140825 | Method of operating a transport refrigeration unit | Doyle G. Herrig | 1992-08-25 |
| 5123253 | Method of operating a transport refrigeration unit | Romuald M. Jurewicz | 1992-06-23 |
| 5123252 | Method of operating a transport refrigeration unit | — | 1992-06-23 |
| 5123251 | Method of operating a transport refrigeration unit | — | 1992-06-23 |
| 5103783 | Detection of engine fuel problems | Doyle G. Herrig | 1992-04-14 |
| 4977751 | Refrigeration system having a modulation valve which also performs function of compressor throttling valve | — | 1990-12-18 |
| 4977752 | Transport refrigeration including methods and apparatus for optmizing same | — | 1990-12-18 |
| 4949550 | Method and apparatus for monitoring a transport refrigeration system and its conditioned load | — | 1990-08-21 |
| 4903500 | Methods and apparatus for detecting the need to defrost an evaporator coil | — | 1990-02-27 |
| 4903498 | Temperature controlling for a transport refrigeration system | — | 1990-02-27 |
| 4903502 | Rate of change temperature control for transport refrigeration systems | Doyle G. Herrig | 1990-02-27 |
| 4899549 | Transport refrigeration system with improved temperature and humidity control | Jeffrey B. Berge, Jayaram Seshadri | 1990-02-13 |