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Inventor

Edwin C. Turner

Inventor
Houston, TX, US

Overview

11→
Patents
1981–2002
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 11 as inventor

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

E21Bprimary
E21BEarth or rock drilling63%
F16JPistons13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%
F16LPipes6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,470,968'Independently retrievable subsea tree and tubing hanger system'20026,164,663'Bidirectional metal to metal seal'20005,997,003'Annular sealing assembly and methods of sealing'19995,620,052'Hanger suspension system'19975,542,475'Blanking plug assembly'19965,482,082'Multi-passage fluid coupling and metal seal therefor'19965,377,762'Bore selector'19955,335,729'Tubular connection, method for making same, and tool therefor'19944,648,448'Packer assembly'19874,469,180'Well fluid pressure balanced operator for subsurface safety valve'19844,287,954'Subsurface safety valve'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to HYDRIL CO (2)· patent assignee history
1981–2000Based in Houston, TX, US· patent location history
1994–1995Patents assigned to COOPER IND INC (2)· patent assignee history
1996–1999Patents assigned to COOPER CAMERON CORP (3)· patent assignee history
2000Patents assigned to KVAERNER DILFIELD PRODUCTS (1)· patent assignee history
2002Patents assigned to KVAERNER OIFIELD PRODUCTS INC (1)· patent assignee history
2002Based in Euless, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COOPER CAMERON CORP31996–1999
COOPER IND INC21994–1995
HYDRIL CO21981–1984
KVAERNER DILFIELD PRODUCTS12000
KVAERNER OIFIELD PRODUCTS INC12002
Locations
LocationPatentsSpan
Houston, Texas, US101981–2000
Euless, Texas, US12002