Harold E. Payne

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Pantograph underreamer
- Patent number 6,722,452
- Issue date Apr 20, 2004
- CDX Gas, LLC
- Monty H. Rial
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pantograph underreamer
- Patent number 6,644,422
- Issue date Nov 11, 2003
- CDX Gas, L.L.C.
- Monty H. Rial
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single-blade underreamer
- Patent number 6,595,301
- Issue date Jul 22, 2003
- CDX Gas, LLC
- Lawrence W. Diamond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-blade underreamer
- Patent number 6,595,302
- Issue date Jul 22, 2003
- CDX Gas, LLC
- Lawrence W. Diamond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pantograph underreamer and method for forming a well bore cavity
- Patent number 6,591,922
- Issue date Jul 15, 2003
- CDX Gas, LLC
- Monty H. Rial
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pantograph underreamer
- Patent number 6,575,255
- Issue date Jun 10, 2003
- CDX Gas, LLC
- Monty H. Rial
- E21 - EARTH DRILLING MINING