Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664283 | Captivated seal assembly | Fred Keiser | 2017-05-30 |
| 8100149 | Combined pressure, temperature and air vent device | — | 2012-01-24 |
| 7971854 | Replaceable valve shaft sealing system | — | 2011-07-05 |
| 7448410 | High differential pressure, low torque precision temperature control valve | — | 2008-11-11 |
| 7347408 | High differential pressure, low torque precision temperature control valve | — | 2008-03-25 |
| 6948699 | Retainer for a ball valve seat | — | 2005-09-27 |
| 5712936 | Hybrid bi-directional three color wave division multiplexer and method using same | Mark Joseph Hoag, II | 1998-01-27 |