Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101081 | Method of operating a cryogenic temperature control apparatus | Herman H. Viegas, Suresh Kumar, Joseph Glentz | 2018-10-16 |
| 6751966 | Hybrid temperature control system | Herman H. Viegas, Hans-Olof Nilsson | 2004-06-22 |
| 6698212 | Cryogenic temperature control apparatus and method | Herman H. Viegas, Jayaram Seshadri, John J. Shaw | 2004-03-02 |
| 6609382 | Control method for a self-powered cryogen based refrigeration system | Herman H. Viegas, Jayaram Seshadri, Joseph Glentz, Bryan E. Schwichtenberg, William Ehrich Stuart | 2003-08-26 |