List of Center Rock patents

List of Center Rock patents

List of Kustom Signals, Inc. patents

List of Kyocera Corporation patents

List of Leeo patents

List of funding rounds for Wise

List of funding rounds for Rentlytics

Patents where

Current Assignee

Name

is

Center Rock

	Name	Description	Patent Applicant	Current Assignee	Inventor	Patent Jurisdiction	Patent Number	Date of Patent
	‌ US Patent 8622152 Down-the-hole drill hammer having a sliding exhaust check valve	Patent 8622152 was granted and assigned to Center Rock on January, 2014 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8622152	January 7, 2014
	‌ US Patent 9938774 Non-rotating drill bit for a down-the-hole drill hammer	Patent 9938774 was granted and assigned to Center Rock on April, 2018 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	9938774	April 10, 2018
	‌ US Patent 8631884 Pressure reversing valve assembly for a down-the-hole percussive drilling apparatus	Patent 8631884 was granted and assigned to Center Rock on January, 2014 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8631884	January 21, 2014
	‌ US Patent 8915314 Down-the-hole drill drive coupling	Patent 8915314 was granted and assigned to Center Rock on December, 2014 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8915314	December 23, 2014
	‌ US Patent 10100578 Pressure control check valve for a down-the-hole drill hammer	Patent 10100578 was granted and assigned to Center Rock on October, 2018 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	10100578	October 16, 2018
	‌ US Patent 8439135 Down-the-hole drill hammer having an extendable drill bit assembly	Patent 8439135 was granted and assigned to Center Rock on May, 2013 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8439135	May 14, 2013
	‌ US Patent D656974 Drill bit	Patent D656974 was granted and assigned to Center Rock on April, 2012 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	D656974	April 3, 2012
	‌ US Patent 8302707 Down-the-hole drill reverse exhaust system	Patent 8302707 was granted and assigned to Center Rock on November, 2012 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8302707	November 6, 2012
	‌ US Patent D873316 Non-rotating drill bit for a down-the-hole drill hammer	Patent D873316 was granted and assigned to Center Rock on January, 2020 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	D873316	January 21, 2020
	‌ US Patent 10024103 Down-the-hole drill hammer having a roller ramp clutch	Patent 10024103 was granted and assigned to Center Rock on July, 2018 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	10024103	July 17, 2018
	‌ US Patent D872142 Drill bit for a down-the-hole drill hammer	Patent D872142 was granted and assigned to Center Rock on January, 2020 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	D872142	January 7, 2020
	‌ US Patent 8800690 Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly	Patent 8800690 was granted and assigned to Center Rock on August, 2014 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8800690	August 12, 2014
	‌ US Patent 9821422 Drill bit for a down-the-hole drill hammer having spirally arranged cutting inserts	Patent 9821422 was granted and assigned to Center Rock on November, 2017 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	9821422	November 21, 2017
	‌ US Patent 10669781 Down-the-hole drill hammer having a roller bearing assembly	Patent 10669781 was granted and assigned to Center Rock on June, 2020 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	10669781	June 2, 2020
	‌ US Patent 8397839 Self-indexing down-the-hole drill	Patent 8397839 was granted and assigned to Center Rock on March, 2013 by the United States Patent and Trademark Office.		Center Rock		United States Patent and Trademark Office	8397839	March 19, 2013
	‌ US Patent 11078736 Flow diversion sub for a down-the-hole drill hammer	Patent 11078736 was granted and assigned to Center Rock on August, 2021 by the United States Patent and Trademark Office.	Center Rock	Center Rock		United States Patent and Trademark Office	11078736	August 3, 2021

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