Howard S. Gudgel

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Hook rotating mechanism
- Patent number 4,453,884
- Issue date Jun 12, 1984
- Zena Equipment, Inc.
- Howard S. Gudgel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Elevator transfer and support system
- Patent number 4,421,447
- Issue date Dec 20, 1983
- Zena Equipment, Inc.
- Howard S. Gudgel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for rapidly attaching an inside blowout preventer sub to...
- Patent number 4,291,762
- Issue date Sep 29, 1981
- Drill Tech Equipment, Inc.
- Howard S. Gudgel
- E21 - EARTH DRILLING MINING