Duane R. Van Waes

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Cypress, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit having diamond impregnated inserts primary cutting structure
- Patent number 6,725,953
- Issue date Apr 27, 2004
- Smith International, Inc.
- David K. Truax
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Drill bit having diamond impregnated inserts primary cutting structure
- Patent number 6,394,202
- Issue date May 28, 2002
- Smith International, Inc.
- David K. Truax
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Drill bit having diamond impregnated inserts primary cutting structure
- Publication number 20020125048
- Publication date Sep 12, 2002
- David K. Traux
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DRILL BIT HAVING DIAMOND IMPREGNATED INSERTS PRIMARY CUTTING STRUCTURE
- Publication number 20010047891
- Publication date Dec 6, 2001
- DAVID K. TRUAX
- B22 - CASTING POWDER METALLURGY