Patents by Inventor Fred J. Berkowitz
Fred J. Berkowitz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250112224Abstract: A battery includes a housing, and within the housing, an anode having an alkali metal as the active material, a cathode having a mass (m) of a cathode active material, for example, iron disulfide as the active material, a separator between the anode and the cathode, and an increased electrolyte volume (v).Type: ApplicationFiled: July 30, 2024Publication date: April 3, 2025Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 12051797Abstract: A battery includes a housing, and within the housing, an anode having an alkali metal as the active material, a cathode having a mass (m) of a cathode active material, for example, iron disulfide as the active material, a separator between the anode and the cathode, and an increased electrolyte volume (v).Type: GrantFiled: November 15, 2022Date of Patent: July 30, 2024Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Publication number: 20230082531Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: ApplicationFiled: November 15, 2022Publication date: March 16, 2023Applicant: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 11502532Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: GrantFiled: February 9, 2021Date of Patent: November 15, 2022Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Publication number: 20210167618Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: ApplicationFiled: February 9, 2021Publication date: June 3, 2021Applicant: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 10916956Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: GrantFiled: December 11, 2019Date of Patent: February 9, 2021Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Publication number: 20200119572Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: ApplicationFiled: December 11, 2019Publication date: April 16, 2020Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 10536016Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: GrantFiled: November 5, 2012Date of Patent: January 14, 2020Assignee: DURACELL U.S. OPERATIONS, INC.Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 8859145Abstract: A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS2) or a mixture of iron disulfide (FeS2) and iron sulfide (FeS) and conductive carbon particles. A cathode slurry is prepared comprising the FeS2 or FeS2 plus FeS powder, conductive carbon, binder, and a solvent. The binder is preferably a styrene-ethylene/butylene-styrene (SEBS) block copolymer. There is an advantage discovered in utilizing a hydronaphthalene solvent to form the cathode slurry. The preferred solvent is 1,2,3,4-tetrahydronaphthalene or decahydronaphthalene and mixtures thereof. The slurry mixture is coated onto a conductive substrate and the solvent evaporated leaving a dry cathode coating on the substrate. Higher drying temperature may be used resulting in a dry cathode coating which resists cracking. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.Type: GrantFiled: May 23, 2008Date of Patent: October 14, 2014Assignee: The Gillette CompanyInventors: Maya Stevanovic, Michael Pozin, Yelena Kouznetsova, Steven J. Specht, Fred J. Berkowitz
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Publication number: 20140125285Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: ApplicationFiled: November 5, 2012Publication date: May 8, 2014Applicant: The Gillette CompanyInventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 8617743Abstract: A primary electrochemical cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS2) and carbon particles. The cell is balanced so that the anode is in theoretical capacity excess (mAmp-hrs) compared to the theoretical capacity of the cathode. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added. The electrolyte comprises a lithium salt dissolved in organic solvent.Type: GrantFiled: December 5, 2007Date of Patent: December 31, 2013Assignee: The Gillette CompanyInventors: Steven J. Specht, Michael Pozin, Yelena Kouznetsova, Bhupendra K. Patel, Fred J. Berkowitz
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Patent number: 8591604Abstract: A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side.Type: GrantFiled: September 12, 2012Date of Patent: November 26, 2013Assignee: The Gillette CompanyInventors: Fred J. Berkowitz, Bhupendra K. Patel, Maya Stevanovic
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Patent number: 8435670Abstract: A primary lithium battery can include a current collector that includes aluminum, a positive lead that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical resistance.Type: GrantFiled: November 5, 2008Date of Patent: May 7, 2013Assignee: The Gillette CompanyInventors: Fred J. Berkowitz, Nikolai N. Issaev, Jaroslav Janik, Michael Pozin
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Publication number: 20130004816Abstract: A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side.Type: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Applicant: THE GILLETTE COMPANYInventors: Fred J. Berkowitz, Bhupendra K. Patel, Maya Stevanovic
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Patent number: 8304116Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.Type: GrantFiled: October 2, 2008Date of Patent: November 6, 2012Assignee: The Gillette CompanyInventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
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Patent number: 8298695Abstract: A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side.Type: GrantFiled: June 8, 2010Date of Patent: October 30, 2012Assignee: The Gillette CompanyInventors: Fred J. Berkowitz, Bhupendra K. Patel, Maya Stevanovic
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Publication number: 20120180309Abstract: Primary lithium cells are provided, the cells having an anode comprising lithium and a cathode comprising iron disulfide. Features of the cells are optimized in order to enhance the cell performance within the constraints imposed by the maximum permitted level of lithium and standard cell dimensions.Type: ApplicationFiled: March 2, 2012Publication date: July 19, 2012Inventors: Fred J. Berkowitz, Nikolai N. Issaev, Jaroslav Janik, Zhiping Jiang, Eric Navok, Bhupendra K. Patel, Michael Pozin, Michael D. Sliger
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Patent number: 8076028Abstract: A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS2), iron sulfide (FeS) and carbon particles. The electrolyte comprises a lithium salt dissolved in a solvent mixture. A cathode slurry is prepared comprising iron disulfide (FeS2) powder, iron sulfide (FeS) powder, carbon, binder, and a liquid solvent. The mixture is coated onto a conductive substrate and solvent evaporated leaving a dry cathode coating on the substrate. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.Type: GrantFiled: April 16, 2008Date of Patent: December 13, 2011Assignee: The Gillette CompanyInventors: Barry D. Josephs, Michael Pozin, Zhiping Jiang, Maya Stevanovic, Fred J. Berkowitz, Yelena Kouznetsova, Steven J. Specht
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Patent number: 7867553Abstract: A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side.Type: GrantFiled: August 23, 2006Date of Patent: January 11, 2011Assignee: The Gillette CompanyInventors: Fred J. Berkowitz, Bhupendra K. Patel, Maya Stevanovic
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Publication number: 20100247993Abstract: A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side.Type: ApplicationFiled: June 8, 2010Publication date: September 30, 2010Inventors: Fred J. Berkowitz, Bhupendra K. Patel, Maya Stevanovic