Welker; Robert H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welker; Robert H..The latest application filed is for "newtonian thrust cowl array".
- Welker; Robert H. - Washington TX
- Welker; Robert H. - Sugarland TX
- Welker; Robert H. - Sugar Land TX
- Welker; Robert H. - Bellaire TX
| Patent | Date |
|---|---|
| Newtonian Thrust Cowl Array App 20090137165 - Welker; Robert H. | 2009-05-28 |
| Newtonian thrust cowl array Grant 7,493,914 - Welker February 24, 2 | 2009-02-24 |
| Newtonian Thrust Cowl Array App 20070017209 - Welker; Robert H. | 2007-01-25 |
| Adjustable flow diffuser Grant 6,439,267 - Welker August 27, 2 | 2002-08-27 |
| Adjustable flow diffuser App 20010047836 - Welker, Robert H. | 2001-12-06 |
| Diaphragm regulator with removable diffuser Grant 6,250,330 - Welker June 26, 2 | 2001-06-26 |
| Dual injector cylinder automatic insertion device for use with high pressure pipelines Grant 5,936,168 - Welker August 10, 1 | 1999-08-10 |
| Method and apparatus for quieting turbulence in a gas flow line valve Grant 5,924,673 - Welker July 20, 1 | 1999-07-20 |
| Flow diffuser and valve Grant 5,769,388 - Welker June 23, 1 | 1998-06-23 |
| Flow distribution method and apparatus reducing downstream turbulence Grant 5,307,830 - Welker May 3, 1 | 1994-05-03 |
| Explosion-proof optical fiber connector for a light source Grant 4,850,669 - Welker , et al. July 25, 1 | 1989-07-25 |
| Optical inspection apparatus Grant 4,777,567 - Welker , et al. October 11, 1 | 1988-10-11 |
| Sampler incorporating pressure balanced check valve Grant 4,557,151 - Welker December 10, 1 | 1985-12-10 |
| Fluid pump mechanism Grant 4,525,127 - Welker June 25, 1 | 1985-06-25 |
| Resilient chamber fluid sampler having vacuum breaker apparatus Grant 4,470,773 - Welker September 11, 1 | 1984-09-11 |
| Volume analyzer for crude oil sampling system including bite checking apparatus Grant 4,463,603 - Welker August 7, 1 | 1984-08-07 |
| Free water volume analyzer Grant 4,463,599 - Welker August 7, 1 | 1984-08-07 |
| Sampler incorporating a purge system Grant 4,440,032 - Welker April 3, 1 | 1984-04-03 |
| Probe insertion apparatus Grant 4,387,592 - Welker June 14, 1 | 1983-06-14 |
| Flow regulator assembly Grant 4,351,510 - Welker September 28, 1 | 1982-09-28 |
| Insertion regulator for pressurized pipelines Grant 4,346,611 - Welker August 31, 1 | 1982-08-31 |
| Dump valve Grant 4,315,616 - Welker February 16, 1 | 1982-02-16 |
| Sensor positioning apparatus Grant 4,177,676 - Welker December 11, 1 | 1979-12-11 |
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