PROGRESSIVE OILFIELD SERVICES LTD.
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Jan 16, 2018 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1 Total Citation Count
- Jul 07, 2014 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
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Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2017/0002,977 TOOL FOR UNSEIZING AND LUBRICATING WELL VALVES, AND METHOD OF UNSEIZING SAID VALVESJul 22, 16Jan 05, 17[F16K, F16N, E21B]
Recent Patents
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