Slimdril International, Inc.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Steering sub for flexible drilling
- Patent number 5,396,966
- Issue date Mar 14, 1995
- Slimdril International Inc.
- Albert E. Roos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steering sub for flexible drilling
- Patent number 5,320,179
- Issue date Jun 14, 1994
- Slimdril International Inc.
- Albert E. Roos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underreamer with simultaneously expandable cutter blades and method
- Patent number 5,090,480
- Issue date Feb 25, 1992
- Slimdril International, Inc.
- Fred J. Pittard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Three-blade underreamer
- Patent number 5,060,738
- Issue date Oct 29, 1991
- Slimdril International, Inc.
- Fred J. Pittard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underreamer with sequentially expandable cutter blades
- Patent number 5,036,921
- Issue date Aug 6, 1991
- Slimdril International, Inc.
- Fred J. Pittard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth drilling apparatus with control valve
- Patent number 4,936,397
- Issue date Jun 26, 1990
- Slimdril International, Inc.
- William J. McDonald
- E21 - EARTH DRILLING MINING

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Trademarklast 30 trademarks

Information Trademark
74540251 - SLIMDRIL
- Serial number 74540251
- Filing date Jun 20, 1994
- SlimDril International, Inc.
- 7 - Machines and machine tools