Cobb; Delwin E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cobb; Delwin E..The latest application filed is for "downhole gas-liquid separator".
- Cobb; Delwin E. - Houston TX
- Cobb; Delwin E. - Macomb IL
- Cobb; Delwin E. - Peoria IL
| Patent | Date |
|---|---|
| Downhole Gas-liquid Separator App 20220251937 - Cobb; Delwin E. | 2022-08-11 |
| Downhole Liquid / Gas Separator App 20170151510 - Cobb; Delwin E. | 2017-06-01 |
| Downhole gas separator and method Grant 9,045,979 - Cobb , et al. June 2, 2 | 2015-06-02 |
| Downhole Gas Separator And Method App 20140158343 - Cobb; Delwin E. ; et al. | 2014-06-12 |
| Downhole separator Grant 8,051,907 - Cobb November 8, 2 | 2011-11-08 |
| Downhole Separator App 20110162833 - Cobb; Delwin E. | 2011-07-07 |
| Downhole separator Grant 7,909,092 - Cobb March 22, 2 | 2011-03-22 |
| Downhole Separator App 20100175869 - Cobb; Delwin E. | 2010-07-15 |
| ESP/separator assembly and method Grant 7,673,684 - Cobb March 9, 2 | 2010-03-09 |
| Esp/separator Assembly And Method App 20090266561 - Cobb; Delwin E. | 2009-10-29 |
| Gardening tool Grant 7,314,095 - Cobb January 1, 2 | 2008-01-01 |
| Gardening tool App 20060070751 - Cobb; Delwin E. | 2006-04-06 |
| Apparatus and method for separating gas and solids from well fluids Grant 6,382,317 - Cobb May 7, 2 | 2002-05-07 |
| Combined wire stand and card Grant D438,905 - Cobb , et al. March 13, 2 | 2001-03-13 |
| Wear structure for bore hole separation device Grant 5,810,081 - Cobb , et al. September 22, 1 | 1998-09-22 |
| Apparatus and method for separating solid particles from liquids Grant RE35,454 - Cobb February 18, 1 | 1997-02-18 |
| Apparatus and method for separating solid particles from liquids Grant 5,314,018 - Cobb May 24, 1 | 1994-05-24 |
| Mixing and cooling apparatus for hot, particulate matter Grant 4,746,222 - Cobb , et al. May 24, 1 | 1988-05-24 |
| Gear pump having fluid deaeration capability Grant 4,231,726 - Cobb , et al. November 4, 1 | 1980-11-04 |
| Mounting arrangement for impact rock breaker Grant 3,990,595 - Cobb , et al. November 9, 1 | 1976-11-09 |
| Mounting arrangement for impact rock-breaker Grant 3,915,501 - Cobb , et al. October 28, 1 | 1975-10-28 |
| Apparatus For Fracture Of Material In Situ With Stored Inertial Energy Grant 3,770,322 - Cobb , et al. November 6, 1 | 1973-11-06 |
| Mechanically Actuated Water Cannon Grant 3,729,137 - Cobb , et al. April 24, 1 | 1973-04-24 |
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