David S. Mitchell — 15 Patents at Chevron

David S. Mitchell has been granted 15 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in November 2022. David S. Mitchell ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David S. Mitchell in San Rafael, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D969667	Wedding tree display	—	2022-11-15
9410093	Heavy oil hydrocracking process	Dennis R. Cash, Graham J. Forder, Joel W. Rosenthal	2016-08-09	$245,339,000
9334452	Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process	Dennis R. Cash, Graham J. Forder, Joe W. Rosenthal	2016-05-10	$1,041,672,000
9039890	Two-stage, close-coupled, dual-catalytic heavy oil hydroconversion process	Dennis R. Cash, Graham J. Forder, Joel W. Rosenthal	2015-05-26	$146,084,000
D487422	Body-receiving and body-concealing bird blind	—	2004-03-09
6675157	System and method for balancing binary search trees	—	2004-01-06	$7,683,000
4481099	Solvent extraction method	—	1984-11-06	$20,112,000
4451184	Apparatus and method for feeding pulverized hydrocarbonaceous solids into a high pressure reactor	—	1984-05-29	$13,365,000
4444007	Method for combined cycle electrical power generation	David R. Sageman	1984-04-24	$14,558,000
4443229	Gasification process for carbonaceous materials	David R. Sageman	1984-04-17	$11,756,000
4401551	Solvent extraction method	—	1983-08-30	$21,990,000
4389300	Solvent extraction method	—	1983-06-21	$16,900,000
4191540	Carbon dioxide acceptor process using countercurrent plug flow	David R. Sageman	1980-03-04	$21,041,000
4189376	Solvent extraction process	—	1980-02-19	$35,538,000
4183800	Indirect heat retorting process with cocurrent and countercurrent flow of hydrocarbon-containing solids	David R. Sageman	1980-01-15	$21,901,000

David S. Mitchell — 15 Patents

Issued Patents All Time

Patent Widget