Issued Patents All Time
Showing 51–75 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D410529 | In-line fluid flow control valve | — | 1999-06-01 |
| 5860442 | Fluid pressure shutoff and relief valve | — | 1999-01-19 |
| 5836337 | Large diameter low pressure relief valve | — | 1998-11-17 |
| 5727586 | Reclosing collapsible pin pressure relief valve | — | 1998-03-17 |
| 5721824 | Multiple-package installation with package dependencies | — | 1998-02-24 |
| 5706848 | Heat exchanger pressure shutoff valve | — | 1998-01-13 |
| 5685329 | Dual inline rupture pin release and reseating spring loaded relief valve | — | 1997-11-11 |
| 5577524 | Large diameter resettable rupture pin relief valve | — | 1996-11-26 |
| 5577523 | Method of making relief valve interchangeable buckling pins for a selectable pressure setting | — | 1996-11-26 |
| 5575306 | Relief valve trigger for relatively large diameter fluid pressure containers | — | 1996-11-19 |
| 5462086 | Selector relief valve assembly | Christopher F. Rooney | 1995-10-31 |
| 5433239 | Downstream fluid pressure responsive emergency shutdown valve | — | 1995-07-18 |
| 5373864 | Downstream low fluid pressure emergency shutoff valve | — | 1994-12-20 |
| 5348039 | Large diameter and relatively high pressure relief valve | C. Dean Couch | 1994-09-20 |
| 5318060 | Fluid flow velocity emergency shutoff valve | — | 1994-06-07 |
| 5311898 | Dashpot dampened high pressure fluid shutoff valve | — | 1994-05-17 |
| 5297575 | In-line high pressure fluid release valve | — | 1994-03-29 |
| 5273065 | Large diameter and relatively high pressure relief valve | — | 1993-12-28 |
| 5226442 | Vacuum/pressure release valve | — | 1993-07-13 |
| 5209253 | Emergency shutoff valve and regulator assembly | — | 1993-05-11 |
| 5146942 | Low pressure fluid emergency shutdown valve | — | 1992-09-15 |
| 5116089 | Explosion vent door release | — | 1992-05-26 |
| 5107886 | Constant flow orifice valve | — | 1992-04-28 |
| 5084117 | Explosive | Richard C. M. Houston | 1992-01-28 |
| 5080128 | Angle body restrictor valve | — | 1992-01-14 |