Phillip H. Manderscheid

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Cypress, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Well packing tool
- Patent number 5,046,557
- Issue date Sep 10, 1991
- MASX Energy Services Group, Inc.
- Phillip H. Manderscheid
- E21 - EARTH DRILLING MINING
Information Patent Grant
High temperature well packer
- Patent number 4,548,264
- Issue date Oct 22, 1985
- Hughes Tool Company
- Phillip H. Manderscheid
- E21 - EARTH DRILLING MINING
Information Patent Grant
Liner hanger with channel guides
- Patent number 4,523,641
- Issue date Jun 18, 1985
- Hughes Tool Company
- Phillip H. Manderscheid
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annulus operated test valve
- Patent number 4,399,870
- Issue date Aug 23, 1983
- Hughes Tool Company
- John L. Baugh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packer
- Patent number 4,375,240
- Issue date Mar 1, 1983
- Hughes Tool Company
- John L. Baugh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve retrieval mechanism for an inflatable packer system
- Patent number 4,320,803
- Issue date Mar 23, 1982
- BJ-Hughes Inc.
- Phillip H. Manderscheid
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchoring assembly
- Patent number 4,059,150
- Issue date Nov 22, 1977
- Brown Oil Tools, Inc.
- Phillip H. Manderscheid
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packer apparatus
- Patent number 4,018,272
- Issue date Apr 19, 1977
- Brown Oil Tools, Inc.
- Joe R. Brown
- E21 - EARTH DRILLING MINING