Vector Oil Tool Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Two way hydraulic drilling jar
- Patent number 5,647,446
- Issue date Jul 15, 1997
- Vector Oil Tool Ltd.
- Kenneth Hugo Wenzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed bearing assembly used in earth drilling
- Patent number 5,377,771
- Issue date Jan 3, 1995
- Vector Oil Tool Ltd.
- Kenneth H. Wenzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow restricter for mud lubricated earth drilling motors
- Patent number 5,351,766
- Issue date Oct 4, 1994
- Vector Oil Tool Ltd.
- Kenneth H. Wenzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable bent housing
- Patent number 5,343,966
- Issue date Sep 6, 1994
- Vector Oil Tool Ltd.
- Kenneth H. Wenzel
- E21 - EARTH DRILLING MINING