W. Brent Willis

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pipeline ballast and method of use
- Patent number 7,344,338
- Issue date Mar 18, 2008
- Blackfire Exploration Ltd.
- Bradley C. Willis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus and method for separation of solids from liquid
- Patent number 5,814,230
- Issue date Sep 29, 1998
- H. Craig Willis
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Pipeline Ballast and Method of Use
- Publication number 20060198705
- Publication date Sep 7, 2006
- TIGER RIDGE RESOURCES LTD.
- Bradley C. Willis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...