CAMCO INTERNATIONAL (UK) LIMITED
Patent Owner
Stats
- 12 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 19, 2003 most recent publication
Details
- 12 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 896 Total Citation Count
- Feb 18, 1986 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6151960 Method of determining characteristics of a rotary drag-type drill bitSep 24, 98Nov 28, 00[E21B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2002/0020,565 Multi-directional cutters for drillout bi-center drill bitsAbandonedAug 03, 01Feb 21, 02[E21B]
2001/0020,551 Rotary drag-type drill bits and methods of designing such bitsAbandonedMar 09, 01Sep 13, 01[E21B]
2001/0017,224 Method of applying a wear-resistant layer to a surface of a downhole componentAbandonedMar 09, 01Aug 30, 01[E21B]
4907662 Rotary drill bit having improved mounting means for multiple cutting elementsExpiredAug 13, 87Mar 13, 90[E21B]
4848489 Drag drill bit having improved arrangement of cutting elementsExpiredNov 07, 88Jul 18, 89[E21B]
4830123 Mounting means for cutting elements in drag type rotary drill bitExpiredJun 12, 87May 16, 89[E21B]
4682663 Mounting means for cutting elements in drag type rotary drill bitExpiredFeb 18, 86Jul 28, 87[E21B]
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