List of battery recycling patents

Patents where

Current Assignee

Industry

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 11376654 Casting method and casting apparatus for DC casting	Patent 11376654 was granted and assigned to Norsk Hydro on July, 2022 by the United States Patent and Trademark Office.	Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	11376654	July 5, 2022
‌ US Patent 11313019 Method for producing a heat treatable aluminum alloy with improved mechanical properties	Patent 11313019 was granted and assigned to Norsk Hydro on April, 2022 by the United States Patent and Trademark Office.	Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	11313019	April 26, 2022
‌ US Patent 11376655 Casting apparatus and casting method	Patent 11376655 was granted and assigned to Norsk Hydro on July, 2022 by the United States Patent and Trademark Office.	Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	11376655	July 5, 2022
‌ US Patent 11542576 Aluminium extrusion alloy suitable for etched and anodized components	Patent 11542576 was granted and assigned to Norsk Hydro on January, 2023 by the United States Patent and Trademark Office.	Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	11542576	January 3, 2023
‌ US Patent 6921474 Chloride melt process for the separation and recovery of zinc	Patent 6921474 was granted and assigned to Umicore on July, 2005 by the United States Patent and Trademark Office.		Umicore	United States Patent and Trademark Office	6921474	July 26, 2005
‌ US Patent 11581529 Submicron sized silicon powder with low oxygen content	Patent 11581529 was granted and assigned to Umicore on February, 2023 by the United States Patent and Trademark Office.	Umicore	Umicore	United States Patent and Trademark Office	11581529	February 14, 2023
‌ US Patent 11466377 Method for providing a cathode lining barrier layer in an electrolysis cell and a material for same		Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	11466377	October 11, 2022
‌ US Patent 8696788 Process for the Recovery of AB5 Alloy from Used Nickel/Metal Hydride Batteries	Patent 8696788 was granted and assigned to Retriev Technologies Inc. on April, 2014 by the United States Patent and Trademark Office.		Retriev Technologies Inc.	United States Patent and Trademark Office	8696788	April 15, 2014
‌ US Patent 8882007 Process for recovering and regenerating lithium cathode material from lithium-ion batteries	Patent 8882007 was granted and assigned to Retriev Technologies Inc. on November, 2014 by the United States Patent and Trademark Office.	Retriev Technologies Inc.	Retriev Technologies Inc.	United States Patent and Trademark Office	8882007	November 11, 2014
‌ US Patent 8690207 Impact absorbing member and a method for making same	Patent 8690207 was granted and assigned to Norsk Hydro on April, 2014 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8690207	April 8, 2014
‌ US Patent 8413711 Arrangement related to equipment for continuous or semi-continuous casting of metal	Patent 8413711 was granted and assigned to Norsk Hydro on April, 2013 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8413711	April 9, 2013
‌ US Patent 11603579 Lithium-rich metallurgical slag	Patent 11603579 was granted and assigned to Umicore on March, 2023 by the United States Patent and Trademark Office.	Umicore	Umicore	United States Patent and Trademark Office	11603579	March 14, 2023
‌ US Patent 8147625 Al-Mg-Si alloy suited for extrusion	Patent 8147625 was granted and assigned to Norsk Hydro on April, 2012 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8147625	April 3, 2012
‌ US Patent 8980203 Process for obtaining highly pure litharge from lead acid battery paste	Patent 8980203 was granted and assigned to Retriev Technologies Inc. on March, 2015 by the United States Patent and Trademark Office.	Retriev Technologies Inc.	Retriev Technologies Inc.	United States Patent and Trademark Office	8980203	March 17, 2015
‌ US Patent 8728419 Process for recycling alkaline batteries	Patent 8728419 was granted and assigned to Retriev Technologies Inc. on May, 2014 by the United States Patent and Trademark Office.		Retriev Technologies Inc.	United States Patent and Trademark Office	8728419	May 20, 2014
‌ US Patent 8715615 Recovery of high purity lead oxide from lead acid battery paste	Patent 8715615 was granted and assigned to Retriev Technologies Inc. on May, 2014 by the United States Patent and Trademark Office.		Retriev Technologies Inc.	United States Patent and Trademark Office	8715615	May 6, 2014
‌ US Patent 7820317 Method for the mixed recycling of lithium-based anode batteries and cells	Patent 7820317 was granted and assigned to RECUPYL on October, 2010 by the United States Patent and Trademark Office.		RECUPYL	United States Patent and Trademark Office	7820317	October 26, 2010
‌ US Patent 8070921 Method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same	Patent 8070921 was granted and assigned to Norsk Hydro on December, 2011 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8070921	December 6, 2011
‌ US Patent 9034517 Capacitors having conditioned carbon for electrodes	Patent 9034517 was granted and assigned to Retriev Technologies Inc. on May, 2015 by the United States Patent and Trademark Office.	Retriev Technologies Inc.	Retriev Technologies Inc.	United States Patent and Trademark Office	9034517	May 19, 2015
‌ US Patent 8785057 Electrolyte solution for capacitors and batteries	Patent 8785057 was granted and assigned to Retriev Technologies Inc. on July, 2014 by the United States Patent and Trademark Office.	Retriev Technologies Inc.	Retriev Technologies Inc.	United States Patent and Trademark Office	8785057	July 22, 2014
‌ US Patent 9840761 Al—Mg—Si aluminium alloy with improved properties	Patent 9840761 was granted and assigned to Norsk Hydro on December, 2017 by the United States Patent and Trademark Office.	Norsk Hydro	Norsk Hydro	United States Patent and Trademark Office	9840761	December 12, 2017
‌ US Patent 8012347 Device for separation of fluid, in particular oil, gas and water	Patent 8012347 was granted and assigned to Norsk Hydro on September, 2011 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8012347	September 6, 2011
‌ US Patent 8911696 Recycle process for alkaline and carbon zinc batteries		Retriev Technologies Inc.	Retriev Technologies Inc.	United States Patent and Trademark Office	8911696	December 16, 2014
‌ US Patent 9217204 Control of temperature and operation of inert electrodes during production of aluminum metal	Patent 9217204 was granted and assigned to Norsk Hydro on December, 2015 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	9217204	December 22, 2015
‌ US Patent 8087134 Process for making a heat exchanger	Patent 8087134 was granted and assigned to Norsk Hydro on January, 2012 by the United States Patent and Trademark Office.		Norsk Hydro	United States Patent and Trademark Office	8087134	January 3, 2012

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