James Allen Douty

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Blowout preventer with interlocking ram assembly and method of usin...
- Patent number 10,883,331
- Issue date Jan 5, 2021
- National-Oilwell Varco, L.P.
- James A. Douty
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular subsea stripper packer and method of using same
- Patent number 9,441,444
- Issue date Sep 13, 2016
- National-Oilwell Varco, L.P.
- Richard Michael Ward
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blowout preventer seal and method of using same
- Patent number 9,045,961
- Issue date Jun 2, 2015
- National-Oilwell Varco, L.P.
- Jeffrey Thomas Melancon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wellsite equipment replacement system and method for using same
- Patent number 9,022,126
- Issue date May 5, 2015
- National-Oilwell Varco, L.P.
- Jeffrey Thomas Melancon
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Blowout Preventer with Interlocking Ram Assembly and Method of Usin...
- Publication number 20190010777
- Publication date Jan 10, 2019
- National-Oilwell Varco, L.P.
- James A. Douty
- E21 - EARTH DRILLING MINING
Information Patent Application
MODULAR SUBSEA STRIPPER PACKER AND METHOD OF USING SAME
- Publication number 20150075801
- Publication date Mar 19, 2015
- National-Oilwell Varco, L.P.
- Richard Michael WARD
- E21 - EARTH DRILLING MINING
Information Patent Application
BLOWOUT PREVENTER SEAL ASSEMBLY AND METHOD OF USING SAME
- Publication number 20140110611
- Publication date Apr 24, 2014
- National-Oilwell Varco, L.P.
- Perry Lee McClanahan
- E21 - EARTH DRILLING MINING
Information Patent Application
BLOWOUT PREVENTER SEAL AND METHOD OF USING SAME
- Publication number 20120193874
- Publication date Aug 2, 2012
- National-Oilwell Varco, L.P.
- Jeffrey Thomas Melancon
- E21 - EARTH DRILLING MINING
Information Patent Application
WELLSITE EQUIPMENT REPLACEMENT SYSTEM AND METHOD FOR USING SAME
- Publication number 20120125622
- Publication date May 24, 2012
- National-Oilwell Varco, L.P.
- Jeffrey Thomas Melancon
- E21 - EARTH DRILLING MINING