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US Patent 7311159 PCD face seal for earth-boring bit

Patent 7311159 was granted and assigned to Baker Hughes on December, 2007 by the United States Patent and Trademark Office.

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Current Assignee
Baker Hughes
Baker Hughes
Date Filed
June 13, 2006
Date of Patent
December 25, 2007
Patent Application Number
11451885
Patent Citations Received
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US Patent 12006973 Diamond surface bearings for sliding engagement with metal surfaces
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US Patent 11933356 Continuous diamond surface bearings for sliding engagement with metal surfaces
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US Patent 11970339 Roller ball assembly with superhard elements
0
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US Patent 11994006 Downhole drilling tool with a polycrystalline diamond bearing
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US Patent 11655679 Downhole drilling tool with a polycrystalline diamond bearing
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US Patent 11655850 Continuous diamond surface bearings for sliding engagement with metal surfaces
0
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US Patent 11746875 Cam follower with polycrystalline diamond engagement element
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US Patent 11761486 Polycrystalline diamond bearings for rotating machinery with compliance
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US Patent 11761481 Polycrystalline diamond radial bearing
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US Patent 11906001 Joints with diamond bearing surfaces
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7311159
Patent Primary Examiner
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Lanna Mai

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