Darrell Ray DOUS

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Industrial fluids with dilution resistance and tunable viscosity, a...
- Patent number 10,442,731
- Issue date Oct 15, 2019
- BLUE NOSE, LLC
- Nicholas A. Koster
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
INDUSTRIAL FLUIDS WITH DILUTION RESISTANCE AND TUNABLE VISCOSITY, A...
- Publication number 20200255334
- Publication date Aug 13, 2020
- BLUE NOSE USA LLC
- Nicholas A. Koster
- E21 - EARTH DRILLING MINING
Information Patent Application
INDUSTRIAL FLUIDS WITH DILUTION RESISTANCE AND TUNABLE VISCOSITY, A...
- Publication number 20170334777
- Publication date Nov 23, 2017
- BLUE NOSE USA LLC
- Nicholas A. Koster
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD AND APPARATUS FOR ENHANCING THE PRODUCTIVITY OF WELLS
- Publication number 20160076349
- Publication date Mar 17, 2016
- Darrell Ray DOUS
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...