Mitchell; David S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mitchell; David S..The latest application filed is for "heavy oil hydrocracking process".
- Mitchell; David S. - San Rafael CA US
- Mitchell; David S - Market Drayton GB
- Mitchell, David S. - Market Drayton GB
- Mitchell; David S. - Sully GB
- Mitchell; David S. - South Glamorgan GB2
- Mitchell; David S. - Novato CA
| Patent | Date |
|---|---|
| Heavy oil hydrocracking process Grant 9,410,093 - Cash , et al. August 9, 2 | 2016-08-09 |
| Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process Grant 9,334,452 - Cash , et al. May 10, 2 | 2016-05-10 |
| Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process Grant 9,039,890 - Cash , et al. May 26, 2 | 2015-05-26 |
| Heavy Oil Hydrocracking Process App 20140262943 - Cash; Dennis R. ; et al. | 2014-09-18 |
| Two-stage, Close-coupled, Dual-catalytic Heavy Oil Hydroconversion Process App 20120118791 - Cash; Dennis R. ; et al. | 2012-05-17 |
| Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process App 20120067775 - Cash; Dennis R. ; et al. | 2012-03-22 |
| Actuator apparatus including a marker device Grant 6,806,600 - Willacy , et al. October 19, 2 | 2004-10-19 |
| Actuator apparatus including a marker device App 20030067229 - Willacy, Steven J. ; et al. | 2003-04-10 |
| Card holder Grant D316,877 - Mitchell May 14, 1 | 1991-05-14 |
| Card holder Grant D314,016 - Mitchell January 22, 1 | 1991-01-22 |
| Solvent extraction method Grant 4,481,099 - Mitchell * November 6, 1 | 1984-11-06 |
| Apparatus and method for feeding pulverized hydrocarbonaceous solids into a high pressure reactor Grant 4,451,184 - Mitchell May 29, 1 | 1984-05-29 |
| Method for combined cycle electrical power generation Grant 4,444,007 - Mitchell , et al. April 24, 1 | 1984-04-24 |
| Gasification process for carbonaceous materials Grant 4,443,229 - Sageman , et al. April 17, 1 | 1984-04-17 |
| Solvent extraction method Grant 4,401,551 - Mitchell * August 30, 1 | 1983-08-30 |
| Carbon dioxide acceptor process using countercurrent plug flow Grant 4,191,540 - Mitchell , et al. * March 4, 1 | 1980-03-04 |
| Solvent extraction process Grant 4,189,376 - Mitchell February 19, 1 | 1980-02-19 |
| Countercurrent plug-like flow of two solids Grant 4,157,245 - Mitchell , et al. June 5, 1 | 1979-06-05 |
| Gasification process Grant 4,137,053 - Mitchell , et al. January 30, 1 | 1979-01-30 |
| Retorting process Grant 4,133,739 - Mitchell , et al. January 9, 1 | 1979-01-09 |
| Process for removing metalliferous contaminants from hydrocarbons Grant 3,947,347 - Mitchell March 30, 1 | 1976-03-30 |
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