Kevin KALMAN

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Okotoks, CA

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Patents Grantslast 30 patents

Information Patent Grant
Mud motor with integrated abrasion-resistant structure
- Patent number 9,810,030
- Issue date Nov 7, 2017
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mud motor with integrated reamer
- Patent number 9,670,737
- Issue date Jun 6, 2017
- First Choice Drilling
- Vincent Gille Berube
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MUD MOTOR WITH INTEGRATED REAMER
- Publication number 20160138341
- Publication date May 19, 2016
- FIRST CHOICE DRILLING
- Vincent Gille BERUBE
- E21 - EARTH DRILLING MINING
Information Patent Application
MUD MOTOR WITH INTEGRATED ABRASION-RESISTANT STRUCTURE
- Publication number 20160108683
- Publication date Apr 21, 2016
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING