Varco I/P, Inc.
Patent Owner
Stats
- 220 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 28, 2017 most recent publication
Details
- 220 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 10,273 Total Citation Count
- Jul 17, 1980 Earliest Filing
- 101 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2011/0074,165 Welbore Rig Generator Engine Power ControlAbandonedDec 08, 10Mar 31, 11[H02J, H02P, F03B]
2008/0267,785 Drill rig apparatuses with directly driven shaft & drilling fluid pump systemsAbandonedApr 27, 07Oct 30, 08[F01B]
2008/0083,566 Reclamation of components of wellbore cuttings materialAbandonedOct 04, 06Apr 10, 08[E21B]
Top Inventors for This Owner
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