Shane W. Pfaff

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Low-power electric safety valve
- Patent number 10,724,332
- Issue date Jul 28, 2020
- Chevron U.S.A. Inc.
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing retrievable injection valve assembly
- Patent number 10,378,312
- Issue date Aug 13, 2019
- Tejas Research & Engineering, LLC
- Thomas G. Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing retrievable injection valve assembly
- Patent number 10,030,476
- Issue date Jul 24, 2018
- Tejas Research & Engineering, LLC
- Thomas G. Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing retrievable injection valve assembly
- Patent number 9,334,709
- Issue date May 10, 2016
- Tejas Research & Engineering, LLC
- Thomas G. Hill
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LOW-POWER ELECTRIC SAFETY VALVE
- Publication number 20190203564
- Publication date Jul 4, 2019
- Chevron U.S.A. Inc.
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing Retrievable Injection Valve Assembly
- Publication number 20180313189
- Publication date Nov 1, 2018
- TEJAS RESEARCH AND ENGINEERING, LLC
- Thomas G. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing Retrievable Injection Valve Assembly
- Publication number 20180010423
- Publication date Jan 11, 2018
- TEJAS RESEARCH AND ENGINEERING, LLC
- Thomas G. Hill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Inserting a Tubular String into a Well
- Publication number 20150204163
- Publication date Jul 23, 2015
- TEJAS RESEARCH AND ENGINEERING, LLC
- Thomas G. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
TUBING RETRIEVABLE INJECTION VALVE ASSEMBLY
- Publication number 20130081824
- Publication date Apr 4, 2013
- TEJAS RESEARCH & ENGINEERING, LLC
- Thomas G. Hill
- G06 - COMPUTING CALCULATING COUNTING