Merle L. Bell

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New Waverly, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Anti-extrusion device for downhole applications
- Patent number 6,598,672
- Issue date Jul 29, 2003
- Greene, Tweed of Delaware, Inc.
- Merle L. Bell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal assembly with thermal expansion restricter
- Patent number 6,318,729
- Issue date Nov 20, 2001
- Greene, Tweed of Delaware, Inc.
- Charles E. Pitts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal assembly with backup elements having coil springs positioned t...
- Patent number 6,173,964
- Issue date Jan 16, 2001
- Greene, Tweed of Delaware, Inc.
- Merle L. Bell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable seal assembly with anti-extrusion backup
- Patent number 5,603,511
- Issue date Feb 18, 1997
- Greene, Tweed of Delaware, Inc.
- William F. Keyser
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well casing float tool
- Patent number 4,953,622
- Issue date Sep 4, 1990
- Baker Hughes Incorporated
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well casing float tool
- Patent number 4,872,510
- Issue date Oct 10, 1989
- Baker Hughes Incorporated
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packer having extrusion preventing rings
- Patent number 4,745,972
- Issue date May 24, 1988
- Hughes Tool Company
- Merle L. Bell
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method of producing electrical connectors for use in downhole tools...
- Publication number 20030032339
- Publication date Feb 13, 2003
- Greene, Tweed of Delaware, Inc.
- Merle L. Bell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing sealing and anti-extrusion components for use...
- Publication number 20020195739
- Publication date Dec 26, 2002
- Greene, Tweed of Delaware, Inc.
- Daniel P. Bagley
- E21 - EARTH DRILLING MINING
Information Patent Application
Anti-extrusion device for downhole applications
- Publication number 20020043368
- Publication date Apr 18, 2002
- Greene, Tweed of Delaware, Inc.
- Merle L. Bell
- E21 - EARTH DRILLING MINING