HEMIWEDGE VALVE CORPORATION
Patent Applications and Registrations
Patent applications and USPTO patent grants for HEMIWEDGE VALVE CORPORATION.The latest application filed is for "hemi-wedge verifiable shutoff valve".
- HEMIWEDGE VALVE CORPORATION - Conroe TX
- Hemiwedge Valve Corporation -
| Patent | Date |
|---|---|
| Hemi-Wedge Verifiable Shutoff Valve App 20100308247 - Partridge; Charles C. | 2010-12-09 |
| Rotatable wedge valve mechanism and method for manufacture Grant 7,836,909 - Church November 23, 2 | 2010-11-23 |
| Mechanical Bi-Directional Isolation Valve App 20090272539 - Lloyd; Sam S. ; et al. | 2009-11-05 |
| Hydraulic Bi-Directional Rotary Isolation Valve App 20090229829 - Lloyd; Sam S. ; et al. | 2009-09-17 |
| Rotatable wedge cartridge valve mechanism and method for assembly and disassembly Grant 7,484,523 - Church February 3, 2 | 2009-02-03 |
| Self-adjusting seat for rotary valve App 20080179558 - Lloyd; Sam Sun | 2008-07-31 |
| Rotatable wedge cartridge valve mechanism and method for assembly and disassembly App 20080099076 - Church; Kris L. | 2008-05-01 |
| Rotatable wedge valve mechanism and method for manufacture App 20080093575 - Church; Kris L. | 2008-04-24 |
| High-pressure, hemi-wedge cartridge valve Grant 7,357,145 - Soderberg, legal representative , et al. April 1 | 2008-04-15 |
| High-pressure, hemi-wedge cartridge valve App 20060196544 - Soderberg; Paul B. ; et al. | 2006-09-07 |
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