Leon Keith Jantzen

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Catwalk system and method
- Patent number 10,221,634
- Issue date Mar 5, 2019
- Nabors Drilling Technologies USA, Inc.
- Ryan Thomas Bowley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for handling and racking pipes
- Patent number 7,967,541
- Issue date Jun 28, 2011
- Weatherford Canada Partnership
- William John Stroshein
- E21 - EARTH DRILLING MINING
Information Patent Grant
Guide arch for tubing
- Patent number 5,279,364
- Issue date Jan 18, 1994
- Canadian Fracmaster Ltd.
- Leon K. Jantzen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SWIVEL JOINT SYSTEM AND METHOD
- Publication number 20170314330
- Publication date Nov 2, 2017
- Tesco Corporation
- Leon Keith Jantzen
- E21 - EARTH DRILLING MINING
Information Patent Application
CATWALK SYSTEM AND METHOD
- Publication number 20160305201
- Publication date Oct 20, 2016
- Tesco Corporation
- Ryan Thomas Bowley
- E21 - EARTH DRILLING MINING
Information Patent Application
PIPE HANDLING UNIT
- Publication number 20090279987
- Publication date Nov 12, 2009
- Leon K. Jantzen
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for handling and racking pipes
- Publication number 20090257848
- Publication date Oct 15, 2009
- William John Stroshein
- E21 - EARTH DRILLING MINING