Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865206 | Process and apparatus for backing-up or supplementing a gas supply system | Ludo J. C. Couwels | 1999-02-02 |
| 5775603 | Low pressure ultra-high energy cryogenic impact system | Rudolph Hugo Kohler, Robert B. Davis | 1998-07-07 |
| 5597123 | Ultra-high energy cryogenic impact system | Rudolph Hugo Kohler, Robert B. Davis | 1997-01-28 |
| 4769054 | Abatement of vapors from gas streams by solidification | — | 1988-09-06 |
| 4464904 | Process for the transfer of refrigeration | — | 1984-08-14 |