Michael John Derkach

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Lloydminster, CA

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Patents Grantslast 30 patents

Information Patent Grant
Anchor for a tubing string and method
- Patent number 10,030,458
- Issue date Jul 24, 2018
- EVOLUTION OIL TOOLS INC.
- Shaun Arthur Wold
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchor for a tubing string and method
- Patent number 9,494,019
- Issue date Nov 15, 2016
- EVOLUTION OIL TOOLS INC.
- Shaun Arthur Wold
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ANCHOR FOR A TUBING STRING AND METHOD
- Publication number 20170051570
- Publication date Feb 23, 2017
- EVOLUTION OIL TOOLS INC.
- Shaun Arthur Wold
- E21 - EARTH DRILLING MINING
Information Patent Application
ANCHOR FOR A TUBING STRING AND METHOD
- Publication number 20120061099
- Publication date Mar 15, 2012
- Shaun Arthur Wold
- E21 - EARTH DRILLING MINING