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Inventor

Charles J. Robinson

Inventor
Katy, TX, US

Overview

2→
Patents
1977–1983
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F25BRefrigeration machines, plants or systems50%
PatentTitleYear
4,366,863'Enhanced oil recovery operations'19834,017,286'Heat pump suction line vent'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
1977Based in Norman, OK, US· patent location history
1983Patents assigned to TEXACO INC (1)· patent assignee history
1983Based in Katy, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXACO INC11983
WESTINGHOUSE ELECTRIC CORP11977
Locations
LocationPatentsSpan
Katy, Texas, US11983
Norman, OK, US11977