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List of Hydril patents

Patents where

Current Assignee

Name

Hydril

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7607333 Helical groove for a tubular connection	Patent 7607333 was granted and assigned to Hydril on October, 2009 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7607333	October 27, 2009
‌ US Patent 11047413 Threaded and coupled tubular goods connection	Patent 11047413 was granted and assigned to Hydril on June, 2021 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	11047413	June 29, 2021
‌ US Patent 11371293 Wedge threadform having crest to root thread compound relief areas			Hydril	United States Patent and Trademark Office	11371293	June 28, 2022
‌ US Patent 11371292 Threadform having crest to root thread compound relief areas		Hydril	Hydril	United States Patent and Trademark Office	11371292	June 28, 2022
‌ US Patent 7690696 Wedge thread with torque shoulder	Patent 7690696 was granted and assigned to Hydril on April, 2010 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7690696	April 6, 2010
‌ US Patent 11421487 Curvilinear sealing system	Patent 11421487 was granted and assigned to Hydril on August, 2022 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	11421487	August 23, 2022
‌ US Patent 7478842 Coupled connection with an externally supported pin nose seal	Patent 7478842 was granted and assigned to Hydril on January, 2009 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7478842	January 20, 2009
‌ US Patent 8029025 Single taper wedge thread connection with mid-seal	Patent 8029025 was granted and assigned to Hydril on October, 2011 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	8029025	October 4, 2011
‌ US Patent 7575255 Wedge thread with high-angle metal seal	Patent 7575255 was granted and assigned to Hydril on August, 2009 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7575255	August 18, 2009
‌ US Patent 7475917 Threaded connection with variable flank angles	Patent 7475917 was granted and assigned to Hydril on January, 2009 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7475917	January 13, 2009
‌ US Patent 7850211 Wedge thread connections having a clearance gap volume	Patent 7850211 was granted and assigned to Hydril on December, 2010 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7850211	December 14, 2010
‌ US Patent 11512538 Wedge thread connection for tubular goods	Patent 11512538 was granted and assigned to Hydril on November, 2022 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	11512538	November 29, 2022
‌ US Patent 7380840 Expandable threaded connection	Patent 7380840 was granted and assigned to Hydril on June, 2008 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7380840	June 3, 2008
‌ US Patent 11560760 Threaded tubular connection	Patent 11560760 was granted and assigned to Hydril on January, 2023 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	11560760	January 24, 2023
‌ US Patent 8984734 Step-to-step wedge thread connections and related methods	Patent 8984734 was granted and assigned to Hydril on March, 2015 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	8984734	March 24, 2015
‌ US Patent 9052041 Wedge threads with a solid lubricant coating	Patent 9052041 was granted and assigned to Hydril on June, 2015 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	9052041	June 9, 2015
‌ US Patent 8668233 Threaded connection with perturbed flanks	Patent 8668233 was granted and assigned to Hydril on March, 2014 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	8668233	March 11, 2014
‌ US Patent 7686350 Mismatched flanks for a wedge thread	Patent 7686350 was granted and assigned to Hydril on March, 2010 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7686350	March 30, 2010
‌ US Patent 10704338 Abutments for threaded connections		Hydril	Hydril	United States Patent and Trademark Office	10704338	July 7, 2020
‌ US Patent 7988205 Wedge thread with torque shoulder	Patent 7988205 was granted and assigned to Hydril on August, 2011 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7988205	August 2, 2011
‌ US Patent 7458616 Threads with perturbations	Patent 7458616 was granted and assigned to Hydril on December, 2008 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7458616	December 2, 2008
‌ US Patent 7527304 Floating wedge thread for tubular connection	Patent 7527304 was granted and assigned to Hydril on May, 2009 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7527304	May 5, 2009
‌ US Patent 7717478 Scalloped wedge threads	Patent 7717478 was granted and assigned to Hydril on May, 2010 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7717478	May 18, 2010
‌ US Patent 11174686 Threaded tubular connection	Patent 11174686 was granted and assigned to Hydril on November, 2021 by the United States Patent and Trademark Office.	Hydril	Hydril	United States Patent and Trademark Office	11174686	November 16, 2021
‌ US Patent 7383888 Expansion pig	Patent 7383888 was granted and assigned to Hydril on June, 2008 by the United States Patent and Trademark Office.		Hydril	United States Patent and Trademark Office	7383888	June 10, 2008

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