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Mark E. Hopmann
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Alvin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus, methods, and applications for expanding tubulars in a we...
Patent number
6,698,517
Issue date
Mar 2, 2004
Weatherford/Lamb, Inc.
Neil A.A. Simpson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole flow control devices
Patent number
6,612,547
Issue date
Sep 2, 2003
Baker Hughes Incorporated
Michael A. Carmody
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Downhole flow control devices
Patent number
6,484,800
Issue date
Nov 26, 2002
Baker Hughes Incorporated
Michael A. Carmody
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Downhole flow control devices
Patent number
6,450,255
Issue date
Sep 17, 2002
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole flow control devices
Patent number
6,334,486
Issue date
Jan 1, 2002
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole flow control devices
Patent number
6,260,616
Issue date
Jul 17, 2001
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Motor drive actuator for downhole flow control devices
Patent number
6,041,857
Issue date
Mar 28, 2000
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole flow control devices
Patent number
5,906,238
Issue date
May 25, 1999
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electro hydraulic downhole control device
Patent number
5,832,996
Issue date
Nov 10, 1998
Baker Hughes Incorporated
Michael A. Carmody
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well tool with sealing means
Patent number
5,316,084
Issue date
May 31, 1994
Baker Hughes Incorporated
Douglas J. Murray
E21 - EARTH DRILLING MINING
Information
Patent Grant
Chevron seal for a well tool
Patent number
5,309,993
Issue date
May 10, 1994
Baker Hughes Incorporated
Robert J. Coon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for controlling the flow of well bore fluids
Patent number
5,188,183
Issue date
Feb 23, 1993
Baker Hughes Incorporated
Mark Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well tool with sealing means
Patent number
5,156,220
Issue date
Oct 20, 1992
Baker Hughes Incorporated
Richard L. Forehand
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for securing and releasing continuous tubing i...
Patent number
4,949,791
Issue date
Aug 21, 1990
Baker Hughes Incorporated
Mark E. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for shifting a ported member using continuous...
Patent number
4,928,772
Issue date
May 29, 1990
Baker Hughes Incorporated
Mark E. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety valve for horizontal completions of subterranean wells
Patent number
4,923,012
Issue date
May 8, 1990
Baker Hughes Incorporated
Mark E. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for selectively shifting a tool member
Patent number
4,917,191
Issue date
Apr 17, 1990
Baker Hughes Incorporated
Mark E. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal well turbulizer and method
Patent number
4,909,325
Issue date
Mar 20, 1990
Baker Hughes Incorporated
Mark E. Hopmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole locking apparatus
Patent number
4,823,872
Issue date
Apr 25, 1989
Baker Hughes Incorporated
Mark Hopmann
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Apparatus, methods, and applications for expanding tubulars in a we...
Publication number
20020079100
Publication date
Jun 27, 2002
Neil A.A. Simpson
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole flow control devices
Publication number
20020027002
Publication date
Mar 7, 2002
Michael A. Carmody
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Downhole flow control devices
Publication number
20010054504
Publication date
Dec 27, 2001
Michael A. Carmody
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Downhole flow control devices
Publication number
20010054505
Publication date
Dec 27, 2001
Michael A. Carmody
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...