PRESSSOL LTD
Patent Owner
Stats
- 11 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 02, 2013 most recent publication
Details
- 11 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 554 Total Citation Count
- Dec 17, 2002 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents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
7343983 Method and apparatus for isolating and testing zones during reverse circulation drillingApr 18, 05Mar 18, 08[E21B]
7204327 Reverse circulation directional and horizontal drilling using concentric drill stringAug 21, 03Apr 17, 07[E21B]
7066283 Reverse circulation directional and horizontal drilling using concentric coil tubingAug 21, 03Jun 27, 06[E21B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0099,195 METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLINGAbandonedJan 04, 08May 01, 08[E21B]
2006/0219,407 METHOD AND APPARATUS FOR CEMENTING A WELL USING CONCENTRIC TUBING OR DRILL PIPEAbandonedMar 14, 06Oct 05, 06[E21B]
2005/0178,562 METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLINGAbandonedFeb 10, 05Aug 18, 05[E21B]
Top Inventors for This Owner
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