John P. Wetherell

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Creston, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cooling water scale and corrosion inhibition
- Patent number 7,122,148
- Issue date Oct 17, 2006
- Water Conservation Technologies International
- Dan A. Duke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cooling water scale and corrosion inhibition
- Patent number 6,929,749
- Issue date Aug 16, 2005
- Water & Enviro Tech Company, Inc.
- Dan A. Duke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
COOLING WATER SCALE AND CORROSION INHIBITION
- Publication number 20050150834
- Publication date Jul 14, 2005
- Dan A. Duke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Cooling water scale and corrosion inhibition
- Publication number 20050150839
- Publication date Jul 14, 2005
- WATER & ENVIRO TECH COMPANY, INC.
- Dan A. Duke
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...