Eldon L. Ward — 10 Patents | Patent Leaderboard

Eldon L. Ward has been granted 10 US patents. The first was granted in 1980 and the most recent in August 1991. Eldon L. Ward ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Eldon L. Ward in Angleton, TX, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
RE33658	Lubricants for reciprocating air compressors	Philip W. McGraw, Thomas J. Appleman	1991-08-06
4959169	Esterified polyglycol lubricants for refrigeration compressors	Philip W. McGraw, Michael W. Edens	1990-09-25	$3,272,000
4851144	Lubricants for refrigeration compressors	Philip W. McGraw	1989-07-25	$2,959,000
4751012	Lubricants for reciprocating air compressors	Philip W. McGraw, Thomas J. Appleman	1988-06-14	$7,789,000
4243675	(Bis)dithiocarbamate) salts	Charles W. Martin	1981-01-06	$3,577,000
4211784	Bis(dithiocarbamate) salts	Charles W. Martin	1980-07-08	$5,058,000
4203999	Bis(dithiocarbamate) salts	Charles W. Martin	1980-05-20	$5,959,000
4195138	Chelate resins prepared from the cured reaction product of a polyalkylenepolyamine and epoxide	—	1980-03-25	$6,926,000
4189539	Reaction product of an epoxide and a polyalkylenepolyamine in bead form and a method for preparing same	—	1980-02-19	$3,026,000
4186086	Weak base ion exchange resins of a polyalkylenepolyamine and polyepoxide	—	1980-01-29	$2,826,000

Eldon L. Ward — 10 Patents

Issued Patents All Time

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