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Inventor

Gerald D. Watts

Inventor
Hempstead, TX, US

Overview

4→
Patents
1988–2002
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
6,367,804'Variable bore ram packer for tapered tubular members in a ram type blowout preventer'20026,296,225'Ram bore profile for variable bore packer ram in a ram type blowout preventer'20015,944,110'Variable bore ram packer for a ram type blowout preventer'19994,730,851'Downhole expandable casting hanger'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to COOPER IND INC (1)· patent assignee history
1988Based in Richmond, TX, US· patent location history
1999–2002Patents assigned to COOPER CAMERON CORP (3)· patent assignee history
1999–2002Based in Hempstead, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COOPER CAMERON CORP31999–2002
COOPER IND INC11988
Locations
LocationPatentsSpan
Hempstead, Texas, US31999–2002
Richmond, Texas, US11988