McWhorter; David J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McWhorter; David J..The latest application filed is for "breech lock coupling".
- McWhorter; David J. - Magnolia TX
- McWhorter; David J. - Cypress TX
- McWhorter; David J. - Pinehurst TX
- McWhorter; David J. - Manolia TX
- McWhorter; David J. - Houston TX
| Patent | Date |
|---|---|
| Breech lock coupling Grant 10,746,328 - Walker , et al. A | 2020-08-18 |
| Subsea pressure reduction system Grant 9,957,768 - Van Wijk , et al. May 1, 2 | 2018-05-01 |
| Asymmetrical button for ram-type blowout preventers Grant 9,803,447 - Jurena , et al. October 31, 2 | 2017-10-31 |
| Breech Lock Coupling App 20160327191 - Walker; Stephen John ; et al. | 2016-11-10 |
| Control pod for blowout preventer system Grant 9,422,782 - McWhorter , et al. August 23, 2 | 2016-08-23 |
| Control Pod For Blowout Preventer System App 20160201420 - McWhorter; David J. ; et al. | 2016-07-14 |
| Blowout preventer system with three control pods Grant 9,291,020 - McWhorter , et al. March 22, 2 | 2016-03-22 |
| Breech lock coupling Grant 9,267,335 - Walker , et al. February 23, 2 | 2016-02-23 |
| Asymmetrical Button For Ram-type Blowout Preventers App 20160024870 - Jurena; Johnny E. ; et al. | 2016-01-28 |
| Subsea Pressure Reduction System App 20160010418 - Van Wijk; Johannes ; et al. | 2016-01-14 |
| Subsea pressure reduction system Grant 9,140,090 - Van Wijk , et al. September 22, 2 | 2015-09-22 |
| Blowout Preventer System With Three Control Pods App 20150198001 - McWhorter; David J. ; et al. | 2015-07-16 |
| Asymmetrical button for ram-type blowout preventers Grant 9,068,427 - Jurena , et al. June 30, 2 | 2015-06-30 |
| Blowout Preventer With Pressure-isolated Operating Piston Assembly App 20150144814 - Jurena; Johnny E. ; et al. | 2015-05-28 |
| Blowout preventer with pressure-isolated operating piston assembly Grant 8,944,403 - Jurena , et al. February 3, 2 | 2015-02-03 |
| Multi-deployable subsea stack system Grant 8,640,775 - Kotrla , et al. February 4, 2 | 2014-02-04 |
| Blowout Preventer With Pressure-isolated Operating Piston Assembly App 20140021381 - Jurena; Johnny E. ; et al. | 2014-01-23 |
| Asymmetrical Button For Ram-type Blowout Preventers App 20140021382 - Jurena; Johnny E. ; et al. | 2014-01-23 |
| Multi-Deployable Subsea Stack System App 20130126764 - Kotrla; Johnnie E. ; et al. | 2013-05-23 |
| Subsea Pressure Reduction System App 20130098628 - Van Wijk; Johannes ; et al. | 2013-04-25 |
| Multi-deployable subsea stack system Grant 8,365,830 - Kotrla , et al. February 5, 2 | 2013-02-05 |
| Multi-Deployable Subsea Stack System App 20110155386 - Kotrla; Johnnie E. ; et al. | 2011-06-30 |
| Multi-deployable subsea stack system Grant 7,921,917 - Kotrla , et al. April 12, 2 | 2011-04-12 |
| Breech Lock Coupling App 20110037257 - Walker; Stephen John ; et al. | 2011-02-17 |
| Fluid saving blowout preventer operator system Grant 7,637,474 - Whitby , et al. December 29, 2 | 2009-12-29 |
| Multi-Deployable Subsea Stack System App 20080302536 - Kotrla; Johnnie E. ; et al. | 2008-12-11 |
| Fluid Saving Blowout Preventer Operator System App 20080099701 - Whitby; Melvyn F. ; et al. | 2008-05-01 |
| Fluid saving blowout preventer operator system Grant 7,338,027 - Whitby , et al. March 4, 2 | 2008-03-04 |
| Fluid Saving Blowout Preventer Operator System App 20080048140 - Whitby; Melvyn F. ; et al. | 2008-02-28 |
| Anodic Protective Seal in a Blowout Preventer App 20060076526 - McWhorter; David J. ; et al. | 2006-04-13 |
| Variable bore ram Grant 6,974,135 - Melancon , et al. December 13, 2 | 2005-12-13 |
| Pressure regulated slip ram on a coil tubing blowout preventer Grant 6,843,463 - McWhorter , et al. January 18, 2 | 2005-01-18 |
| Variable bore ram App 20050006087 - Melancon, Jeffrey T. ; et al. | 2005-01-13 |
| Stripper/packer App 20020074131 - Jones, Donald L. ; et al. | 2002-06-20 |
| Variable bore packer for a ram type blowout preventer Grant 5,005,802 - McWhorter , et al. April 9, 1 | 1991-04-09 |
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