David Hoffman

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Static gel strength measurement apparatus and method
- Patent number 9,612,232
- Issue date Apr 4, 2017
- OFI Testing Equipment, Inc.
- Grafton Montgomery
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Emulsion Stability Measurement System and Method
- Publication number 20180164274
- Publication date Jun 14, 2018
- OFI TESTING EQUIPMENT, INC.
- John D. Norwood
- E21 - EARTH DRILLING MINING
Information Patent Application
Static Gel Strength Measurement Apparatus and Method
- Publication number 20150198512
- Publication date Jul 16, 2015
- OFI TESTING EQUIPMENT, INC.
- Grafton Montgomery
- G01 - MEASURING TESTING