Watkins; David R
Patent Applications and Registrations
Patent applications and USPTO patent grants for Watkins; David R.The latest application filed is for "hammock with intermediate support".
- Watkins; David R - Dover FL
- Watkins; David R. - Dover FL US
- Watkins; David R. - Irvine CA
- Watkins; David R. - Sutton Coldfield GB3
- Watkins; David R. - Birmingham GB3
| Patent | Date |
|---|---|
| Hammock with intermediate support Grant 8,943,623 - Watkins February 3, 2 | 2015-02-03 |
| Hammock With Intermediate Support App 20140289962 - Watkins; David R. | 2014-10-02 |
| Use of scale inhibitors in hydraulic fracture fluids to prevent scale build-up Grant 5,224,543 - Watkins , et al. July 6, 1 | 1993-07-06 |
| Motorcycle tire Grant D323,802 - Jackson , et al. February 11, 1 | 1992-02-11 |
| Scale removal treatment Grant 5,051,197 - Kalfayan , et al. * September 24, 1 | 1991-09-24 |
| Radial motorcycle tire Grant 4,986,326 - Watkins , et al. January 22, 1 | 1991-01-22 |
| Steam enhanced oil recovery processes and compositions for use therein Grant 4,923,009 - Watkins May 8, 1 | 1990-05-08 |
| Permeability stabilization in subterranean formations containing particulate matter Grant 4,787,453 - Hewgill , et al. November 29, 1 | 1988-11-29 |
| Self-breaking foamed oil in water emulsion for stimulation of wells blocked by paraffinic deposits Grant 4,775,489 - Watkins , et al. October 4, 1 | 1988-10-04 |
| Method of acidizing high-temperature subterranean formations Grant 4,739,833 - Watanabe , et al. April 26, 1 | 1988-04-26 |
| Foaming acid-containing fluids Grant 4,737,296 - Watkins April 12, 1 | 1988-04-12 |
| Scale removal treatment Grant 4,708,207 - Kalfayan , et al. November 24, 1 | 1987-11-24 |
| Acidizing method Grant 4,646,835 - Watkins , et al. March 3, 1 | 1987-03-03 |
| Self-breaking foamed oil-in-water emulsion for stimulation of wells blocked by paraffinic deposits Grant 4,614,236 - Watkins , et al. September 30, 1 | 1986-09-30 |
| Increasing the flow of fluids through a permeable formation Grant 4,580,633 - Watkins , et al. * April 8, 1 | 1986-04-08 |
| Steam injection method Grant 4,572,296 - Watkins February 25, 1 | 1986-02-25 |
| Treating fines-containing earthen formations Grant 4,549,609 - Watkins , et al. October 29, 1 | 1985-10-29 |
| Method for maintaining the permeability of fines-containing formations Grant 4,498,538 - Watkins , et al. February 12, 1 | 1985-02-12 |
| Method for deeper penetrating acidizing of siliceous formations Grant 4,479,543 - Kalfayan , et al. October 30, 1 | 1984-10-30 |
| Method of inhibiting silica dissolution during injection of steam into a reservoir Grant 4,475,595 - Watkins , et al. October 9, 1 | 1984-10-09 |
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