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Tarald Gudmestad
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Houston, TX, US
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Patents Grants
last 30 patents
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
Method and apparatus for surge pressure reduction in a tool with fl...
Patent number
7,069,991
Issue date
Jul 4, 2006
Weatherford/Lamb, Inc.
Tarald Gudmestad
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
Hydraulic running tool with torque dampener
Patent number
6,467,547
Issue date
Oct 22, 2002
Weatherford/Lamb, Inc.
Patrick G. Maguire
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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
Method and apparatus for surge pressure reduction in a tool with fl...
Publication number
20040134664
Publication date
Jul 15, 2004
Tarald Gudmestad
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
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
Hydraulic running tool with torque dampener
Publication number
20020070032
Publication date
Jun 13, 2002
Patrick G. Maguire
E21 - EARTH DRILLING MINING