Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981294 | Hydraulic flushing system | — | 2018-05-29 |
| 9267740 | Manifold fluid communication plate | David E. Samuelson, Don C. Corser, Richard V. Cooper, Jr. | 2016-02-23 |
| 9157688 | Manifold fluid communication plate | David E. Samuelson, Don C. Corser, Richard V. Cooper, Jr. | 2015-10-13 |
| 8464782 | Manifold fluid communication plate | David E. Samuelson, Don C. Corser, Richard V. Cooper, Jr. | 2013-06-18 |
| 7137451 | Controlling and/or testing a hydrocarbon production system | — | 2006-11-21 |
| 6883777 | Valve assembly | — | 2005-04-26 |
| 6581628 | Pressure reducing valve assembly | — | 2003-06-24 |
| 6182634 | Low RPM switching tachometer | Sarah D. Caldwell, Robert Quincy Elliott, John E. Francis, W. Frank Landon, Stephen M. Sturhahn | 2001-02-06 |
| 6129309 | Aircraft engine apparatus with reduced inlet vortex | John Dorris, III | 2000-10-10 |
| 5238059 | Heat exchanger header with parallel edges | — | 1993-08-24 |
| 5226490 | Extruded tank pocket design for separator | Richard P. Ryan, Gary A. Halstead | 1993-07-13 |
| 5185925 | Method of manufacturing a tube for a heat exchanger | Richard P. Ryan, Gary A. Halstead, Shrikant Mukund Joshi | 1993-02-16 |
| 5062476 | Heat exchanger with an extruded tank | Richard P. Ryan, Glenn W. Shaffer, Gary A. Halstead, Shrikant Mukund Joshi | 1991-11-05 |
| 4819660 | Prosthetic shape sensor | — | 1989-04-11 |
| 4434014 | High strength wear resistant aluminium alloys and process | — | 1984-02-28 |