Patents by Inventor Donald Raymond Crowe
Donald Raymond Crowe 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: 20230395784Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: ApplicationFiled: August 21, 2023Publication date: December 7, 2023Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
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Patent number: 11784375Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.Type: GrantFiled: May 10, 2021Date of Patent: October 10, 2023Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Enqing Zhu, John L. Hadley, Matthew Hennek, Tim F. Turba
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Patent number: 11757088Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: GrantFiled: January 24, 2020Date of Patent: September 12, 2023Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
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Publication number: 20230261319Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.Type: ApplicationFiled: April 27, 2023Publication date: August 17, 2023Inventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Enqing ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
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Patent number: 11670823Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.Type: GrantFiled: September 14, 2018Date of Patent: June 6, 2023Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Enqing Zhu, John L. Hadley, Matthew Hennek, Tim F. Turba
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Patent number: 11264607Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: GrantFiled: June 19, 2017Date of Patent: March 1, 2022Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
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Patent number: 11133497Abstract: A gelled anode for an alkaline electrochemical cell contains zinc-based particles, an alkaline electrolyte, a gelling agent, and two or more additives selected from the group consisting of an alkali metal hydroxide, an organic phosphate ester surfactant, a metal oxide, and tin, which as reduced cell gassing properties relative to cells lacking such additives.Type: GrantFiled: May 12, 2016Date of Patent: September 28, 2021Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Wen Li, Donald Raymond Crowe, Andrew J. Roszkowski, John Hadley, Janna Rose
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Publication number: 20210265701Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Applicant: Energizer Brands, LLCInventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Enqing ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
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Publication number: 20200303727Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode; and a separator disposed between the cathode and the anode; wherein the gelled anode includes, an anode active material, an alkaline electrolyte; a gelling agent; and about 10 ppm to 250 ppm of an alkoxylated alkyl phosphate ester surfactant; and wherein from about 15% to about 60% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?mType: ApplicationFiled: November 19, 2018Publication date: September 24, 2020Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe
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Publication number: 20200295330Abstract: An alkaline electrochemical cell includes a cathode; a gelled anode having an anode active material and an electrolyte; and a separator disposed between the cathode and the anode; wherein the separator includes a non-conductive, porous material having a mean pore size of about 1 micron to about 5 microns, a maximum pore size of about 19 microns, and an air permeability of about 0.5 cc/cm2/s to about 3.8 cc/cm2/s at 125 Pa.Type: ApplicationFiled: September 14, 2018Publication date: September 17, 2020Inventors: M. Edgar ARMACANQUI, Andrew J. ROSZKOWSKI, Donald Raymond CROWE, Gloria ZHU, John L. HADLEY, Matthew HENNEK, Tim F. TURBA
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Patent number: 10693125Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: GrantFiled: June 19, 2017Date of Patent: June 23, 2020Assignee: Energizer Brands, LLCInventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Enqing Zhu
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Publication number: 20200161637Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: ApplicationFiled: January 24, 2020Publication date: May 21, 2020Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley, Matthew Hennek, Tim F. Turba, Gloria Zhu
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Publication number: 20190214632Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: ApplicationFiled: June 19, 2017Publication date: July 11, 2019Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley
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Publication number: 20180114978Abstract: A gelled anode for an alkaline electrochemical cell contains zinc-based particles, an alkaline electrolyte, a gelling agent, and two or more additives selected from the group consisting of an alkali metal hydroxide, an organic phosphate ester surfactant, a metal oxide, and tin, which as reduced cell gassing properties relative to cells lacking such additives.Type: ApplicationFiled: May 12, 2016Publication date: April 26, 2018Inventors: M. Edgar ARMACANQUI, Wen LI, Donald Raymond CROWE, Andrew J. ROSZKOWSKI, John HADLEY, Janna ROSE
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Publication number: 20170365830Abstract: An alkaline electrochemical cell includes a cathode, an anode which includes an anode active material, and a non-conductive separator disposed between the cathode and the anode, wherein from about 20% to about 50% by weight of the anode active material relative to a total amount of anode active material has a particle size of less than about 75 ?m, and wherein the separator includes a unitary, cylindrical configuration having an open end, a side wall, and integrally formed closed end disposed distally to the open end.Type: ApplicationFiled: June 19, 2017Publication date: December 21, 2017Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Casey Imhoff, Donald Raymond Crowe, Matthew Evans, John Hadley
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Patent number: 8728659Abstract: The present disclosure generally relates to an alkaline electrochemical cell comprising an additive for improved discharge performance. The additive is a finely dispersed superabsorbent material comprising particles having a substantially uniform shape and a small particle size relative to typical materials used in alkaline cells. The superabsorbent material results in enhanced discharge performance of the alkaline cell by increasing access of zinc to the electrolyte.Type: GrantFiled: May 28, 2010Date of Patent: May 20, 2014Assignee: Spectrum Brands, Inc.Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, Jr.
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Publication number: 20110294004Abstract: The present disclosure generally relates to an alkaline electrochemical cell comprising an additive for improved discharge performance. The additive is a finely dispersed superabsorbent material comprising particles having a substantially uniform shape and a small particle size relative to typical materials used in alkaline cells. The superabsorbent material results in enhanced discharge performance of the alkaline cell by increasing access of zinc to the electrolyte.Type: ApplicationFiled: May 28, 2010Publication date: December 1, 2011Applicant: ROVCAL, INC.Inventors: M. Edgar Armacanqui, Andrew J. Roszkowski, Donald Raymond Crowe, JR.
