Inventor

Eugene R. Zehler

Inventor

West Chester, OH, US

Overview

1986–2016

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Mprimary

C10MLubricating compositions31%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions31%

C09KMaterials for miscellaneous applications, not provided for elsewhere10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C08LCompositions of macromolecular compounds6%

H01BCables6%

C10LFuels not otherwise provided for1%

F02BInternal-combustion piston engines1%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%

PatentTitleYear

9,371,500'Lubricant compositions with improved oxidation stability and service life'2016 8,980,808'Lubricant compositions with improved oxidation stability and service life'2015 8,183,190'Complex polyol esters with improved performance'2012 6,666,985'Polyol ester lubricants for hermetically sealed refrigerating compressors'2003 6,656,888'Biodegradable two-cycle engine oil compositions, grease compositions, and ester base stocks use therein'2003 6,399,550'Extreme pressure lubricant'2002 6,296,782'Polyol ester lubricants for refrigerator compressors operating at high temperatures'2001 6,267,906'Polyol ester lubricants for refrigerating compressors operating at high temperature'2001 6,221,272'Polyol ester lubricants for hermetically sealed refrigerating compressors'2001 6,197,731'Smokeless two-cycle engine lubricants'2001 6,080,212'Lubricants for diesel fuel'2000 5,925,602'Smokeless two-cycle engine lubricants'1999 5,912,214'Smokeless two-cycle engine lubricants'1999 5,906,769'Polyol ester lubricants for refrigerating compressors operating at high temperatures'1999 5,853,609'Polyol ester lubricants for hermetically sealed refrigerating compressors'1998 5,833,876'Polyol ester lubricants for refrigerating compressors operating at high temperatures'1998 5,820,777'Blended polyol ester lubricants for refrigerant heat transfer fluids'1998 5,744,432'Stamping lubricants'1998 5,569,406'Stamping lubricants'1996 5,047,159'Lubricant compositions having improved anti-deposition properties comprising a polyalkylene oxide-modified silicone oil'1991 5,021,179'Lubrication for refrigerant heat transfer fluids'1991 4,601,840'Mist lubrication process'1986 4,589,990'Mist lubricant compositions'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to NAT DISTILLERS CHEM CORP (2)· patent assignee history

1986Based in Cincinnati, OH, US· patent location history

1991–2001Patents assigned to HENKEL CORP (15)· patent assignee history

1991–2016Based in West Chester, OH, US· patent location history

2002–2003Patents assigned to COGNIS CORP (3)· patent assignee history

2012–2016Patents assigned to COGNIS IP MAN GMBH (3)· patent assignee history

2012Patents assigned to COSTELLO CHRISTOPHER (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HENKEL CORP	15	1991–2001
COGNIS CORP	3	2002–2003
COGNIS IP MAN GMBH	3	2012–2016
NAT DISTILLERS CHEM CORP	2	1986
COSTELLO CHRISTOPHER	1	2012

Locations

Location	Patents	Span
West Chester, OH, US	21	1991–2016
Cincinnati, OH, US	2	1986