E21B 1/14

Technology

Patent/Pub #	Title	Filing Date	Issue/Publication Date	Patent Owner
2024/0352,795	EXPERIMENTAL APPARATUS FOR BREAKING ROCK THROUGH VIBRATION IMPACT	May 12, 23	Oct 24, 24	Not available
2023/0151,693	A DRILL	Apr 16, 21	May 18, 23	Not available
2021/0301,593	Percussion Device	Aug 06, 19	Sep 30, 21	Not available
2005/0092,503	Shockproof spindle	Nov 01, 03	May 05, 05	Power Network Industry Co., Ltd.

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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
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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
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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