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List of foundry patents

Patents where

Current Assignee

Industry

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7216459 Access hatch cover assembly with lift-assist assembly and method therefor	Patent 7216459 was granted and assigned to Neenah Foundry on May, 2007 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7216459	May 15, 2007
‌ US Patent 11414829 Hybrid manhole cover		Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	11414829	August 16, 2022
‌ US Patent 7637695 Heavy duty trench frame and grate assembly	Patent 7637695 was granted and assigned to Neenah Foundry on December, 2009 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7637695	December 29, 2009
‌ US Patent 10968595 Manhole cover assembly	Patent 10968595 was granted and assigned to Neenah Foundry on April, 2021 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	10968595	April 6, 2021
‌ US Patent 7108447 Construction castings with ball and socket connectors	Patent 7108447 was granted and assigned to Neenah Foundry on September, 2006 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7108447	September 19, 2006
‌ US Patent 7695213 Cam-lift for a manhole cover	Patent 7695213 was granted and assigned to Neenah Foundry on April, 2010 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7695213	April 13, 2010
‌ US Patent 9416516 Pressure responsive locking latch arrangement for manhole covers	Patent 9416516 was granted and assigned to Neenah Foundry on August, 2016 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	9416516	August 16, 2016
‌ US Patent 10954649 Floating manhole cover assembly	Patent 10954649 was granted and assigned to Neenah Foundry on March, 2021 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	10954649	March 23, 2021
‌ US Patent D648238 Detectable warning plate	Patent D648238 was granted and assigned to Neenah Foundry on November, 2011 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D648238	November 8, 2011
‌ US Patent 9915052 Manhole cover assembly	Patent 9915052 was granted and assigned to Neenah Foundry on March, 2018 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	9915052	March 13, 2018
‌ US Patent D622421 Grate	Patent D622421 was granted and assigned to Neenah Foundry on August, 2010 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D622421	August 24, 2010
‌ US Patent 10233609 Floating manhole cover assembly	Patent 10233609 was granted and assigned to Neenah Foundry on March, 2019 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	10233609	March 19, 2019
‌ US Patent 9863115 Controlled pressure release manhole cover assembly	Patent 9863115 was granted and assigned to Neenah Foundry on January, 2018 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	9863115	January 9, 2018
‌ US Patent 11001982 Manhole cover assembly	Patent 11001982 was granted and assigned to Neenah Foundry on May, 2021 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	11001982	May 11, 2021
‌ US Patent 7744304 Socket hinged construction casting assembly	Patent 7744304 was granted and assigned to Neenah Foundry on June, 2010 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7744304	June 29, 2010
‌ US Patent 7094000 Socket hinged construction casting assembly	Patent 7094000 was granted and assigned to Neenah Foundry on August, 2006 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	7094000	August 22, 2006
‌ US Patent 9909275 Manhole cover assembly	Patent 9909275 was granted and assigned to Neenah Foundry on March, 2018 by the United States Patent and Trademark Office.	Neenah Foundry	Neenah Foundry	United States Patent and Trademark Office	9909275	March 6, 2018
‌ US Patent D667962 Frame and curb box	Patent D667962 was granted and assigned to Neenah Foundry on September, 2012 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D667962	September 25, 2012
‌ US Patent D682444 Frame and curb box	Patent D682444 was granted and assigned to Neenah Foundry on May, 2013 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D682444	May 14, 2013
‌ US Patent D673690 Frame and curb box	Patent D673690 was granted and assigned to Neenah Foundry on January, 2013 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D673690	January 1, 2013
‌ US Patent 8292541 Trench grate assembly with debris chute	Patent 8292541 was granted and assigned to Neenah Foundry on October, 2012 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	8292541	October 23, 2012
‌ US Patent D682445 Frame and curb box	Patent D682445 was granted and assigned to Neenah Foundry on May, 2013 by the United States Patent and Trademark Office.		Neenah Foundry	United States Patent and Trademark Office	D682445	May 14, 2013
‌ US Patent D687970 Integrated frame and curb box			Neenah Foundry	United States Patent and Trademark Office	D687970	August 13, 2013
‌ US Patent D687971 Integrated frame and curb box			Neenah Foundry	United States Patent and Trademark Office	D687971	August 13, 2013

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