William E. Ellington has been granted 8 US patents while listed as an inventor at Shell Oil Compny . The first was granted in 1987 and the most recent in September 2014. William E. Ellington ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list William E. Ellington in Houston, TX, US.
Patents per Year Patents granted per year, 1987 to 2014 Bar chart with a peak of 2 patents in 1988. peak 2 1987: 1 patents 1987 1988: 2 patents 1988 1989: 2 patents 1989 1990: 1 patents 1990 2013: 1 patents 2013 2014: 1 patents 2014
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date
8823937 Products and methods for identifying rock samples Jacob Cecil Moore , Mark Smith , Grigory Leonidovich Dubinsky 2014-09-02
8416413 Products and methods for identifying rock samples Jacob Cecil Moore , Mark Smith , Grigory Leonidovich Dubinsky 2013-04-09
RE33349 Controlling sulfide scavenger content of drilling fluid Stephen D. Matza , Henry C. Fleming, III 1990-09-25
4840910 Controlling sulfide scavenger content of drilling fluid Stephen D. Matza , Henry C. Fleming, III 1989-06-20
4805708 Controlling sulfide scavenger content of oil-based drilling fluid Stephen D. Matza , Henry C. Fleming, III 1989-02-21
4787983 Method for determining the amount of oil in a sponge core Rocco DiFoggio , Kailash Dangayach 1988-11-29
4785661 Method for analyzing solvent extracted sponge core Clayton L. Calkin 1988-11-22
4658914 Controlling sulfide scavenger content of drilling fluid Stephen D. Matza , Henry C. Fleming, III 1987-04-21
