Dennis Robert Martinchich

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for anti-rotation between tubulars
- Patent number 11,512,799
- Issue date Nov 29, 2022
- Baker Hughes Oilfield Operations LLC
- Joseph Pallini
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
System and method for anti-rotation between tubulars
- Patent number 11,459,833
- Issue date Oct 4, 2022
- Baker Hughes Oilfield Operations LLC
- Dennis R. Martinchich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drop in anti-rotation key
- Patent number 10,605,012
- Issue date Mar 31, 2020
- Vetco Gray, LLC
- William Alexander Loose-Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pre-installed anti-rotation key for threaded connectors
- Patent number 10,597,950
- Issue date Mar 24, 2020
- Vetco Gray, LLC
- Daniel Paul McGowan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Anti-rotation key for threaded connectors
- Patent number 10,077,858
- Issue date Sep 18, 2018
- Vetco Gray, LLC
- Joseph William Pallini
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR ANTI-ROTATION BETWEEN TUBULARS
- Publication number 20220010629
- Publication date Jan 13, 2022
- Baker Hughes Oilfield Operations LLC
- Dennis R. MARTINCHICH
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR ANTI-ROTATION BETWEEN TUBULARS
- Publication number 20220010895
- Publication date Jan 13, 2022
- Baker Hughes Oilfield Operations LLC
- Joseph PALLINI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Drop In Anti-Rotation Key
- Publication number 20170328138
- Publication date Nov 16, 2017
- Vetco Gray Inc.
- William Alexander Loose-Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Application
Pre-Installed Anti-Rotation Key For Threaded Connectors
- Publication number 20170101828
- Publication date Apr 13, 2017
- Vetco Gray Inc.
- Daniel Paul McGowan
- E21 - EARTH DRILLING MINING
Information Patent Application
Anti-Rotation Key for Threaded Connectors
- Publication number 20160369920
- Publication date Dec 22, 2016
- Vetco Gray Inc.
- Joseph William Pallini
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...