Michael Gratzinger

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Opposing thread screw safety joint
- Patent number 10,240,403
- Issue date Mar 26, 2019
- Schlumberger Technology Corporation
- Michael Joseph Gratzinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Telescoping slip joint assembly
- Patent number 9,856,704
- Issue date Jan 2, 2018
- Schlumberger Technology Corporation
- Edgar Jose Montiel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Opposing Thread Screw Safety Joint
- Publication number 20160305196
- Publication date Oct 20, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Joseph Gratzinger
- E21 - EARTH DRILLING MINING
Information Patent Application
TELESCOPING SLIP JOINT ASSEMBLY
- Publication number 20160084019
- Publication date Mar 24, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Edgar Montiel
- E21 - EARTH DRILLING MINING