Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10416691 | Adaptive phase control of cryocooler active vibration cancellation | Michael H. Kieffer | 2019-09-17 |
| 10060655 | Temperature control of multi-stage cryocooler with load shifting capabilities | Michael H. Kieffer, Theodore J. Conrad, Lowell A. Bellis, Marwan Aryan | 2018-08-28 |
| 9577562 | Method and apparatus for back electromotive force (EMF) position sensing in a cryocooler or other system having electromagnetic actuators | Theodore J. Conrad | 2017-02-21 |