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James R. Zachman
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Annular gap debris barrier
Patent number
8,794,313
Issue date
Aug 5, 2014
Baker Hughes Incorporated
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reorienting annular debris barrier
Patent number
8,678,084
Issue date
Mar 25, 2014
Baker Hughes Incorporated
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Snap mount annular debris barrier
Patent number
8,631,863
Issue date
Jan 21, 2014
Baker Hughes Incorporated
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack multi-pathway tube with control line retention and meth...
Patent number
7,584,799
Issue date
Sep 8, 2009
Baker Hughes Incorporated
Martin P. Coronado
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel pack multi-pathway tube with control line retention and meth...
Patent number
7,431,085
Issue date
Oct 7, 2008
Baker Hughes Incorporated
Martin Coronado
E21 - EARTH DRILLING MINING
Information
Patent Grant
Workstring and a method for gravel packing
Patent number
7,373,979
Issue date
May 20, 2008
Baker Hughes Incorporated
Martin P. Coronado
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of providing hydraulic/fiber conduits adjacent bottom hole a...
Patent number
6,983,796
Issue date
Jan 10, 2006
Baker Hughes Incorporated
Christian F. Bayne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Crossover Tool
Patent number
6,702,020
Issue date
Mar 9, 2004
Baker Hughes Incorporated
James R. Zachman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Failsafe liner installation assembly and method
Patent number
5,462,121
Issue date
Oct 31, 1995
Baker Hughes Incorporated
Phillip W. Schmuck
E21 - EARTH DRILLING MINING
Information
Patent Grant
Failsafe liner installation assembly and method
Patent number
5,360,069
Issue date
Nov 1, 1994
Baker Hughes Incorporated
Phillip W. Schmuck
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combination gravel packing device and method
Patent number
4,541,484
Issue date
Sep 17, 1985
Baker Oil Tools, Inc.
John V. Salerni
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Annular Gap Debris Barrier
Publication number
20130032332
Publication date
Feb 7, 2013
BAKER HUGHES INCORPORATED
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Application
Snap Mount Annular Debris Barrier
Publication number
20130032330
Publication date
Feb 7, 2013
BAKER HUGHES INCORPORATED
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Application
Reorienting Annular Debris Barrier
Publication number
20130032331
Publication date
Feb 7, 2013
BAKER HUGHES INCORPORATED
Donald T. Heckel
E21 - EARTH DRILLING MINING
Information
Patent Application
GRAVEL PACK MULTI-PATHWAY TUBE WITH CONTROL LINE RETENTION AND METH...
Publication number
20080190608
Publication date
Aug 14, 2008
BAKER HUGHES INCORPORATED
MARTIN CORONADO
E21 - EARTH DRILLING MINING
Information
Patent Application
High pressure ball valve seal assembly
Publication number
20070069173
Publication date
Mar 29, 2007
James R. Zachman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Gravel pack multi-pathway tube with control line retention and meth...
Publication number
20060219404
Publication date
Oct 5, 2006
Martin Coronado
E21 - EARTH DRILLING MINING
Information
Patent Application
Workstring and a method for gravel packing
Publication number
20050139355
Publication date
Jun 30, 2005
Martin P. Coronado
E21 - EARTH DRILLING MINING
Information
Patent Application
CROSSOVER TOOL
Publication number
20030192694
Publication date
Oct 16, 2003
James R. Zachman
E21 - EARTH DRILLING MINING
Information
Patent Application
Control line retaining device
Publication number
20030168221
Publication date
Sep 11, 2003
James Ronald Zachman
E21 - EARTH DRILLING MINING
Information
Patent Application
Method of providing hydraulic/fiber conduits adjacent bottom hole a...
Publication number
20020007948
Publication date
Jan 24, 2002
Christian F. Bayne
E21 - EARTH DRILLING MINING