Lewal Drilling Ltd.
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 04, 2012 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 34 Total Citation Count
- Jul 08, 2003 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents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
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8322463 Down hole multiple piston tools operated by pulse generation tools and methods for drillingJan 30, 08Dec 04, 12[E21B]
Expired/Abandoned/Withdrawn Patents
- No Patents to Display
Top Inventors for This Owner
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