Beall; Clifford H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Beall; Clifford H..The latest application filed is for "switch between redundant control systems for a subsurface safety valve".
- Beall; Clifford H. - Broken Arrow OK
| Patent | Date |
|---|---|
| Switch between redundant control systems for a subsurface safety valve Grant 9,719,326 - Jones , et al. August 1, 2 | 2017-08-01 |
| Switch between Redundant Control Systems for a Subsurface Safety Valve App 20150129196 - Jones; Brett C. ; et al. | 2015-05-14 |
| Bidirectional sealing mechanically shifted ball valve for downhole use Grant 8,225,871 - Beall , et al. July 24, 2 | 2012-07-24 |
| Downhole barrier valve Grant 8,113,286 - Beall , et al. February 14, 2 | 2012-02-14 |
| Method of manufacturing a downhole lubricator valve Grant 8,024,847 - Beall September 27, 2 | 2011-09-27 |
| Pressure equalization device for downhole tools Grant 7,905,292 - Beall , et al. March 15, 2 | 2011-03-15 |
| Downhole lubricator valve Grant 7,810,571 - Beall October 12, 2 | 2010-10-12 |
| Downhole Lubricator Valve App 20100223791 - Beall; Clifford H. | 2010-09-09 |
| Pressure Equalization Device for Downhole Tools App 20100200220 - Beall; Clifford H. ; et al. | 2010-08-12 |
| Distortion compensation for rod piston bore in subsurface safety valves Grant 7,735,560 - Bane , et al. June 15, 2 | 2010-06-15 |
| Distortion compensation for rod piston bore in subsurface safety valves Grant 7,699,108 - Bane , et al. April 20, 2 | 2010-04-20 |
| Downhole hydraulic control system with failsafe features Grant 7,694,742 - Bane , et al. April 13, 2 | 2010-04-13 |
| Isolation valve for subsurface safety valve line Grant 7,637,324 - Anderson , et al. December 29, 2 | 2009-12-29 |
| Bidirectional Sealing Mechanically Shifted Ball Valve for Downhole Use App 20090184278 - Beall; Clifford H. ; et al. | 2009-07-23 |
| Control line hydrostatic minimally sensitive control system Grant 7,552,774 - Anderson , et al. June 30, 2 | 2009-06-30 |
| Distortion Compensation for Rod Piston Bore in Subsurface Safety Valves App 20090078423 - Bane; Darren E. ; et al. | 2009-03-26 |
| Isolation Valve for Subsurface Safety Valve Line App 20090008102 - Anderson; David Z. ; et al. | 2009-01-08 |
| Downhole Barrier Valve App 20080223581 - Beall; Clifford H. ; et al. | 2008-09-18 |
| Control line hydrostatic minimally sensitive control system App 20080128137 - Anderson; David Z. ; et al. | 2008-06-05 |
| Distortion compensation for rod piston bore in subsurface safety valves App 20080110631 - Bane; Darren E. ; et al. | 2008-05-15 |
| Downhole lubricator valve App 20080110632 - Beall; Clifford H. | 2008-05-15 |
| Downhole hydraulic control system with failsafe features App 20080066921 - Bane; Darren E. ; et al. | 2008-03-20 |
| Flexible metal sealing lip App 20050012063 - Thompson, Grant R. ; et al. | 2005-01-20 |
| Locking apparatus with packoff capability App 20040055757 - Beall, Clifford H. | 2004-03-25 |
| Undulating transverse interface for curved flapper seal Grant 5,682,921 - Rawson , et al. November 4, 1 | 1997-11-04 |
| Annular chamber seal Grant 5,496,044 - Beall , et al. March 5, 1 | 1996-03-05 |
| Fluid pressure actuated well tool Grant 4,423,777 - Mullins , et al. January 3, 1 | 1984-01-03 |
| Tangentially loaded slip assembly Grant 4,311,196 - Beall , et al. January 19, 1 | 1982-01-19 |
| Seal receptacle assembly Grant 4,290,484 - Beall , et al. September 22, 1 | 1981-09-22 |
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