Partridge; Charles C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Partridge; Charles C..The latest application filed is for "rotary multi-port valve".
- Partridge; Charles C. - Houston TX US
- Partridge; Charles C. - Hou. TX
| Patent | Date |
|---|---|
| Rotary multi-port valve Grant 10,094,480 - Partridge , et al. October 9, 2 | 2018-10-09 |
| Rotary Multi-port Valve App 20180209551 - PARTRIDGE; CHARLES C. ; et al. | 2018-07-26 |
| Rotary multi-port valve Grant 9,228,664 - Partridge , et al. January 5, 2 | 2016-01-05 |
| Rotary Multi-port Valve App 20150354717 - PARTRIDGE; CHARLES C. ; et al. | 2015-12-10 |
| Hemi-wedge verifiable shutoff valve Grant 8,308,132 - Partridge November 13, 2 | 2012-11-13 |
| Dual weir vortex skimmer Grant 8,066,872 - Partridge , et al. November 29, 2 | 2011-11-29 |
| Expanding gate valve Grant 7,931,251 - Partridge April 26, 2 | 2011-04-26 |
| Expanding gate valve App 20110005599 - Partridge; Charles C. | 2011-01-13 |
| Hemi-Wedge Verifiable Shutoff Valve App 20100308247 - Partridge; Charles C. | 2010-12-09 |
| Surge relief apparatus and method Grant 7,284,563 - Partridge , et al. October 23, 2 | 2007-10-23 |
| Valve assembly and method with slotted plates and spherical ball plug Grant 7,234,488 - Partridge , et al. June 26, 2 | 2007-06-26 |
| Valve assembly and method with slotted plates and spherical ball plug App 20070034267 - Partridge; Charles C. ; et al. | 2007-02-15 |
| Surge relief apparatus and method App 20050252554 - Partridge, Charles C. ; et al. | 2005-11-17 |
| Compact expanding gate valve Grant 6,164,622 - Partridge December 26, 2 | 2000-12-26 |
| Valve seat for ball valves Grant 4,477,055 - Partridge October 16, 1 | 1984-10-16 |
| High temperature ball valve Grant 4,286,614 - Kacal , et al. September 1, 1 | 1981-09-01 |
| Spring assembly for floating seat ring Grant 4,266,566 - Kacal , et al. May 12, 1 | 1981-05-12 |
| Means and method for in-line removal of seat rings in ball valves Grant 4,175,577 - Kacal , et al. November 27, 1 | 1979-11-27 |
| Ball valve seat assembly having a removably mounted face seal insert Grant 4,111,393 - McClurg , et al. September 5, 1 | 1978-09-05 |
| Rotary Valve Operator Grant 3,737,142 - Boswell , et al. June 5, 1 | 1973-06-05 |
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