Dirk A. Wilson

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Stillwater, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Collar with stepped retaining ring groove
- Patent number 10,760,354
- Issue date Sep 1, 2020
- The Charles Machine Works, Inc.
- Dirk A. Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Collar with stepped retaining ring groove
- Patent number 10,487,595
- Issue date Nov 26, 2019
- The Charles Machine Works, Inc.
- Dirk A. Wilson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Reversible expander
- Patent number 5,553,676
- Issue date Sep 10, 1996
- Kelvin P. Self
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reversible impact-operated boring tool
- Patent number 5,327,636
- Issue date Jul 12, 1994
- The Charles Machine Works, Inc.
- Dirk A. Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reversible impact-operated boring tool
- Patent number 5,172,771
- Issue date Dec 22, 1992
- Charles Machine Works, Inc.
- Dirk A. Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Percussive mole boring device with electronic transmitter
- Patent number 4,907,658
- Issue date Mar 13, 1990
- Gas Research Institute
- Gerald A. Stangl
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Collar With Stepped Retaining Ring Groove
- Publication number 20200018126
- Publication date Jan 16, 2020
- Dirk A. Wilson
- E21 - EARTH DRILLING MINING
Information Patent Application
Collar With Stepped Retaining Ring Groove
- Publication number 20180002990
- Publication date Jan 4, 2018
- The Charles Machine Works, Inc.
- Dirk A. Wilson
- E21 - EARTH DRILLING MINING