E21B 1/24

Technology

Patent/Pub #	Title	Filing Date	Issue/Publication Date	Patent Owner
8141660	Excavator apparatus for underground excavation	Nov 29, 07	Mar 27, 12	Not available
7422073	Ground working implement and method for introducing a working element into the ground	Aug 31, 05	Sep 09, 08	EURODRILL GMBH
7048073	Fastener installation systems	Sep 05, 03	May 23, 06	INTEL CORPORATION
6953098	Hydraulic drill string accumulator	Nov 27, 01	Oct 11, 05	SHELL OIL COMPANY

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Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Follows in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited

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Monthly PAIR Information and Watches
Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Watches in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited

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Monthly PAIR Information and Watches
Number of patents in all portfolios	100 (maximum)	1000 (maximum)	2000 (maximum)	Unlimited
Follows in all categories (Watch)	10 (maximum)	50 (maximum)	500 (maximum)	Unlimited
Maximum number of portfolios	5 (maximum)	10 (maximum)	100 (maximum)	Unlimited
Maximum number of comparisons	1 (maximum)	5 (maximum)	20 (maximum)	Unlimited