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Gregory M. Dunn
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Annular seal assembly with axial load decoupling feature
Patent number
11,867,018
Issue date
Jan 9, 2024
Baker Hughes Oilfield Operations LLC
Samuel H Cheng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure energized seal with groove profile
Patent number
11,713,639
Issue date
Aug 1, 2023
Baker Hughes Oilfield Operations LLC
Joseph W. Pallini
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular seal assembly with axial load decoupling feature
Patent number
11,492,865
Issue date
Nov 8, 2022
Baker Hughes Oilfield Operations LLC
Samuel H Cheng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Metal-to-metal annulus wellhead style seal with pressure energized...
Patent number
10,947,804
Issue date
Mar 16, 2021
Vetco Gray, LLC
Andrew Ingram
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
System and method for reducing setting loads
Patent number
10,927,637
Issue date
Feb 23, 2021
Vetco Gray, LLC
Samuel Heung Yeung Cheng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ported U-cup annular wellhead hanger seal
Patent number
10,865,616
Issue date
Dec 15, 2020
Baker Hughes Oilfield Operations LLC
Andrew Ingram
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellhead seal energized by fluid pressure
Patent number
10,844,687
Issue date
Nov 24, 2020
GE Oil & Gas Pressure Control LP
Alejandro Rodela
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centralizing and protecting sabot
Patent number
10,830,006
Issue date
Nov 10, 2020
Vetco Gray, LLC
Samuel Heung Yeung Cheng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remotely operated drill pipe valve
Patent number
8,327,945
Issue date
Dec 11, 2012
Vetco Gray Inc.
Nicholas P. Gette
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellhead housing bootstrap device
Patent number
8,220,550
Issue date
Jul 17, 2012
Vetco Gray Inc.
Gregory M. Dunn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Internal tieback for subsea well
Patent number
8,127,853
Issue date
Mar 6, 2012
Vetco Gray Inc.
Joseph W. Pallini
E21 - EARTH DRILLING MINING
Information
Patent Grant
Internal tieback for subsea well
Patent number
7,896,081
Issue date
Mar 1, 2011
Vetco Gray Inc.
Joseph W. Pallini
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
LEAK CONTAINMENT SYSTEM
Publication number
20240125196
Publication date
Apr 18, 2024
Hydril USA Distribution LLC
Kevin M. Sweeney
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR SEAL ASSEMBLY WITH AXIAL LOAD DECOUPLING FEATURE
Publication number
20240102350
Publication date
Mar 28, 2024
Baker Hughes Oilfield Operations LLC
Samuel H Cheng
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
ANNULAR SEAL ASSEMBLY WITH AXIAL LOAD DECOUPLING FEATURE
Publication number
20220389782
Publication date
Dec 8, 2022
Baker Hughes Oilfield Operations LLC
Samuel H. Cheng
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR DISSOLVED GAS DETECTION
Publication number
20210301607
Publication date
Sep 30, 2021
Baker Hughes Oilfield Operations LLC
Gregory M. Dunn
E21 - EARTH DRILLING MINING
Information
Patent Application
PRESSURE ENERGIZED SEAL WITH GROOVE PROFILE
Publication number
20210222508
Publication date
Jul 22, 2021
Baker Hughes Oilfield Operations LLC
Joseph W. Pallini
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL CONNECTOR WITH INTERFACE HAVING STEPPED TAPERS
Publication number
20210095535
Publication date
Apr 1, 2021
Baker Hughes Oilfield Operations LLC
Samuel H. Cheng
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR SEAL ASSEMBLY WITH AXIAL LOAD DECOUPLING FEATURE
Publication number
20210062603
Publication date
Mar 4, 2021
Baker Hughes Oilfield Operations LLC
Samuel H. Cheng
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CENTRALIZING AND PROTECTING SABOT
Publication number
20200173240
Publication date
Jun 4, 2020
Vetco Gray, LLC
Samuel Heung Yeung Cheng
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR REDUCING SETTING LOADS
Publication number
20200173247
Publication date
Jun 4, 2020
Vetco Gray, LLC
Samuel Heung Yeung Cheng
E21 - EARTH DRILLING MINING
Information
Patent Application
METAL-TO-METAL ANNULUS WELLHEAD STYLE SEAL WITH PRESSURE ENERGIZED...
Publication number
20190309593
Publication date
Oct 10, 2019
Vetco Gray, LLC
Andrew Ingram
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WELLHEAD SEAL ENERGIZED BY FLUID PRESSURE
Publication number
20190309594
Publication date
Oct 10, 2019
GE Oil & Gas Pressure Control LP
Alejandro Rodela
E21 - EARTH DRILLING MINING
Information
Patent Application
PORTED U-CUP ANNULAR WELLHEAD HANGER SEAL
Publication number
20190257171
Publication date
Aug 22, 2019
Baker Hughes Oilfield Operations LLC
Andrew Ingram
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF-LIMITING C-RING SYSTEM AND METHOD
Publication number
20180305984
Publication date
Oct 25, 2018
Vetco Gray Inc.
Baozhi Zhu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Internal Tieback for Subsea Well
Publication number
20110155382
Publication date
Jun 30, 2011
Vetco Gray Inc.
Joseph W. Pallini
E21 - EARTH DRILLING MINING
Information
Patent Application
Remotely Operated Drill Pipe Valve
Publication number
20100276153
Publication date
Nov 4, 2010
Vetco Gray Inc.
Nicholas P. Gette
E21 - EARTH DRILLING MINING
Information
Patent Application
Wellhead Housing Bootstrap Device
Publication number
20090314494
Publication date
Dec 24, 2009
Vetco Gray Inc.
Gregory M. Dunn
E21 - EARTH DRILLING MINING
Information
Patent Application
Internal Tieback for Subsea Well
Publication number
20090277645
Publication date
Nov 12, 2009
Vetco Gray Inc.
Joseph W. Pallini
E21 - EARTH DRILLING MINING