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Inventor

Willie Horn, Jr.

Inventor
Oakland, CA, US

Overview

3→
Patents
1993–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C10Mprimary
C10MLubricating compositions33%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions33%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
8,664,170'Low temperature performance lubricating oil detergents and method of making the same'20148,399,388'Low temperature performance lubricating oil detergents and method of making the same'20135,246,072'Method for enhancing the recovery of petroleum from an oil-bearing formation using a mixture including anionic and cationic surfactants'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CHEVRON RES & TECH (1)· patent assignee history
1993Based in Richmond, CA, US· patent location history
2013–2014Patents assigned to CHEVRON ORONITE CO (2)· patent assignee history
2013Patents assigned to CAMPBELL CURTIS BAY (1)· patent assignee history
2013Patents assigned to HORN JR WILLIE (1)· patent assignee history
2013Patents assigned to SPALA EUGENE EDWARD (1)· patent assignee history
2013–2014Based in Oakland, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON ORONITE CO22013–2014
CAMPBELL CURTIS BAY12013
CHEVRON RES & TECH11993
HORN JR WILLIEself12013
SPALA EUGENE EDWARD12013
Locations
LocationPatentsSpan
Oakland, California, US22013–2014
Richmond, California, US11993