Henry J. Grimm — 3 Patents at Chevron

Henry J. Grimm has been granted 3 US patents while listed as an inventor at Chevron. The first was granted in 1985 and the most recent in February 1988. Henry J. Grimm ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Henry J. Grimm in Allentown, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4727489	Apparatus for analyzing the annulus effluent of a well	Terry L. Frazier, John F. Rooney, Richard S. Allen, Alfred Brown, Donald S. Mims	1988-02-23	$21,390,000
4501325	Method for predicting workovers and shut-ins from analyzing the annulus effluent of a well	Terry L. Frazier, John F. Rooney, Richard S. Allen, Alfred Brown, Donald S. Mims	1985-02-26	$10,662,000
4491180	Tapered steam injection process	Alfred Brown, Alvin J. Sustek, Jr.	1985-01-01

Henry J. Grimm — 3 Patents

Issued Patents All Time

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