Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9653232 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member | Maarten Willem Reddering | 2017-05-16 |
| 8658923 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member | Maarten Willem Reddering | 2014-02-25 |
| 5511383 | Method and apparatus for maintaining the level of cold liquid within a vessel | Don H. Coers, Richard J. Kooy | 1996-04-30 |
| 5359856 | Process for purifying liquid natural gas | George D. Rhoades, Gerald E. Engdahl | 1994-11-01 |