Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5218826 | Food refrigeration system and method incorporating a cryogenic heat transfer apparatus and method | Mark J. Kirschner, William Kulik, Rustam H. Sethna | 1993-06-15 |
| 5213725 | Apparatus and method for cooling an extruded blown film | Mark J. Kirschner | 1993-05-25 |
| 5167154 | Point level detector | — | 1992-12-01 |
| 5101636 | Cryogen delivery apparatus and method for regulating the cooling potential of a flowing cryogen | Mark J. Kirschner | 1992-04-07 |
| 5018358 | Cryogen delivery apparatus | Mark J. Kirschner | 1991-05-28 |