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Gerald Dean Pedersen
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Downhole surge pressure reduction and filtering apparatus
Patent number
7,487,831
Issue date
Feb 10, 2009
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole surge pressure reduction and filtering apparatus
Patent number
7,270,181
Issue date
Sep 18, 2007
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic tools for setting liner top packers and method for cement...
Patent number
7,225,870
Issue date
Jun 5, 2007
Weatherford/Lamb, Inc.
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bi-directionally boosting and internal pressure trapping packing el...
Patent number
7,172,029
Issue date
Feb 6, 2007
Weatherford/Lamb, Inc.
David E. Hirth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Plug-dropping container for releasing a plug into a wellbore
Patent number
7,055,611
Issue date
Jun 6, 2006
Weatherford / Lamb, Inc.
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole surge pressure reduction and filtering apparatus
Patent number
6,966,375
Issue date
Nov 22, 2005
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Locking arrangement for a threaded connector
Patent number
6,908,121
Issue date
Jun 21, 2005
Weatherford/Lamb, Inc.
David Eugene Hirth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bi-directionally boosting and internal pressure trapping packing el...
Patent number
6,902,008
Issue date
Jun 7, 2005
Weatherford/Lamb, Inc.
David E. Hirth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanically opened ball seat and expandable ball seat
Patent number
6,866,100
Issue date
Mar 15, 2005
Weatherford/Lamb, Inc.
Tarald Gudmestad
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ball dropping assembly
Patent number
6,776,228
Issue date
Aug 17, 2004
Weatherford/Lamb, Inc.
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole surge pressure reduction and filtering apparatus
Patent number
6,755,252
Issue date
Jun 29, 2004
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ball dropping assembly
Patent number
6,715,541
Issue date
Apr 6, 2004
Weatherford/Lamb, Inc.
Gerald Dean Pedersen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Plug-dropping container for releasing a plug into a wellbore
Patent number
6,672,384
Issue date
Jan 6, 2004
Weatherford/Lamb, Inc.
Gerald Dean Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole surge pressure reduction and filtering apparatus
Patent number
6,571,869
Issue date
Jun 3, 2003
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE SURGE PRESSURE REDUCTION AND FILTERING APPARATUS
Publication number
20080011480
Publication date
Jan 17, 2008
Clayton Stanley Plucheck
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole surge pressure reduction and filtering apparatus
Publication number
20060032634
Publication date
Feb 16, 2006
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Application
Bi-directionally boosting and internal pressure trapping packing el...
Publication number
20050155775
Publication date
Jul 21, 2005
Weatherford/Lamb, Inc.
David E. Hirth
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole surge pressure reduction and filtering apparatus
Publication number
20040251023
Publication date
Dec 16, 2004
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydraulic tools for setting liner top packers and for cementing liners
Publication number
20040216877
Publication date
Nov 4, 2004
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Application
Plug-dropping container for releasing a plug into a wellbore
Publication number
20040055741
Publication date
Mar 25, 2004
Weatherford/Lamb, Inc.
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Application
Mechanically opened ball seat and expandable ball seat
Publication number
20040035586
Publication date
Feb 26, 2004
Tarald Gudmestad
E21 - EARTH DRILLING MINING
Information
Patent Application
Ball dropping assembly
Publication number
20030155114
Publication date
Aug 21, 2003
Weatherford/Lamb, Inc.
Gerald D. Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Application
Ball dropping assembly
Publication number
20030155115
Publication date
Aug 21, 2003
Weatherford/Lamb, Inc.
Gerald Dean Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Application
Plug-dropping container for releasing a plug into a wellbore
Publication number
20030141052
Publication date
Jul 31, 2003
Weatherford/Lamb, Inc.
Gerald Dean Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Application
Bi-directionally boosting and internal pressure trapping packing el...
Publication number
20030132008
Publication date
Jul 17, 2003
David E. Hirth
E21 - EARTH DRILLING MINING
Information
Patent Application
Locking arrangement for a threaded connector
Publication number
20030122373
Publication date
Jul 3, 2003
David Eugene Hirth
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole surge pressure reduction and filtering apparatus
Publication number
20030089505
Publication date
May 15, 2003
Weatherford/Lamb, Inc.
Clayton Stanley Pluchek
E21 - EARTH DRILLING MINING