Joe Douglas Toler

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Navasota, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making upsets for oilfield drill pipe
- Patent number 8,539,807
- Issue date Sep 24, 2013
- National-Oilwell Varco, L.P.
- Kenneth Auburn Dial
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Process for Making Upsets for Oilfield Drill Pipe
- Publication number 20110036138
- Publication date Feb 17, 2011
- National Oilwell Varco;
- Kenneth Auburn Dial
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...