Wenzel Downhole Tools Ltd.

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic jar with multiple high pressure chambers
- Patent number 9,388,652
- Issue date Jul 12, 2016
- Wenzel Downhole Tools Ltd.
- Orren Johnson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of adjusting backlash in a down hole bearing assembly
- Patent number 7,635,224
- Issue date Dec 22, 2009
- Wenzel Downhole Tools, Ltd.
- William R. Wenzel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for drilling lateral drainholes from a wellbore
- Patent number 6,220,372
- Issue date Apr 24, 2001
- Wenzel Downhole Tools, Ltd.
- Donald Earl Cherry
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shock tool for use in directional drilling
- Patent number 5,964,307
- Issue date Oct 12, 1999
- Wenzel Downhole Tools Ltd.
- William Ray Wenzel
- E21 - EARTH DRILLING MINING

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Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE VIBRATION TOOL
- Publication number 20160032653
- Publication date Feb 4, 2016
- Wenzel Downhole Tools Ltd.
- Jordan James
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of adjusting backlash in a down hole bearing assembly
- Publication number 20070071373
- Publication date Mar 29, 2007
- Wenzel Downhole Tools Ltd.
- William R. Wenzel
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole percussion drilling apparatus
- Publication number 20040089461
- Publication date May 13, 2004
- Wenzel Downhole Tools Ltd.
- Nicu Valentin Cioceanu
- E21 - EARTH DRILLING MINING

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Trademarklast 30 trademarks

Information Trademark
86036214 - WZL
- Serial number 86036214
- Registration number 4558908
- Filing date Aug 13, 2013
- Wenzel Downhole Tools Ltd.
- 40 - Treatment of materials
Information Trademark
86036208 - WENZEL
- Serial number 86036208
- Registration number 4558907
- Filing date Aug 13, 2013
- Wenzel Downhole Tools Ltd.
- 40 - Treatment of materials