Barry Tate

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Strathmore, CA

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Patents Grantslast 30 patents

Information Patent Grant
Open hole straddle tool
- Patent number 6,782,954
- Issue date Aug 31, 2004
- Innicor Subsurface Technologies Inc.
- Witold P. Serafin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable bridge plug and retrieving tool
- Patent number 6,244,642
- Issue date Jun 12, 2001
- Polar Completions Engineering Inc.
- Vitold Serafin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable bridge plug and retrieving tool
- Patent number 6,220,348
- Issue date Apr 24, 2001
- Polar Completions Engineering Inc.
- Vitold Serafin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulically set liner hanger
- Publication number 20040194954
- Publication date Oct 7, 2004
- Bruce A. Cram
- E21 - EARTH DRILLING MINING
Information Patent Application
Open hole straddle tool
- Publication number 20030111236
- Publication date Jun 19, 2003
- Witold P. Serafin
- E21 - EARTH DRILLING MINING