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| Number | Title | Issue Date |
| 8153296 | Lithium cell with cathode containing metal doped iron sulfide A primary cell having an anode comprising lithium and a cathode comprising a metal doped iron sulfide and carbon particles. A cathode slurry is prepared comprising the metal doped iron sulfide powder, carbon, binder, and a liquid solvent. The mixture is coated onto ... | 04/10/2012 |
| 8101006 | Centrifugal atomization for producing zinc powder A centrifugal impact atomization process for producing zinc or zinc alloy powder from molten zinc. A stream of molten zinc is injected onto the surface of a spinning disk contained within an atomization chamber. The disk has a cup shaped cavity having an open end, o... | 01/24/2012 |
| 7582125 | Method of forming a nickel layer on the cathode casing for a zinc-air cell A method of forming a nickel layer on a metal substrate forming the terminal contact area of the cathode casing for a zinc-air cell. A cathode casing in desired shape and size for a zinc-air cell is formed of a substrate metal such as cold rolled steel or stainless ... | 09/01/2009 |
| 7579105 | End cap assembly and vent for high power cells And end cap assembly and venting system therein for closing and sealing the open end of a cell housing. The end cap assembly comprises a sealing disk underlying an end cap, and a metal support disk between the end cap and the sealing disk. The metal support disk has... | 08/25/2009 |
| 7531271 | Wafer alkaline cell A wafer alkaline cell of a laminar structure is disclosed. The cell has a pair of opposing sides comprising at least the majority of the boundary surface of said cell and defining a short cell dimension therebetween. The cell comprises an anode assembly and a cathod... | 05/12/2009 |
| 7491464 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The housing may be laser welded closed with a metal cover inserted as a part of an end cap assembly. A portion of an insulating seal may be held compressed between a sleeve extending from the metal ... | 02/17/2009 |
| 7481851 | Alkaline cell with improved anode A method of forming an anode comprising zinc for an alkaline cell. The method involves mixing zinc particles with binders including preferably polyvinylalcohol, surfactant and water to form a wet paste. The wet paste is molded into the near shape of the cell's anode... | 01/27/2009 |
| 7455882 | Method of applying adhesive to electrochemical cell components A method of applying liquid adhesive to surfaces of components of an electrochemical cell employing a needle valve applicator. The liquid adhesive is applied by dispensing it through a tubular tip connected to a pneumatically actuated needle valve applicator. The me... | 11/25/2008 |
| 7435395 | Alkaline cell with flat housing and nickel oxyhydroxide cathode An alkaline cell having a flat casing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising nickel oxyhydroxide. The casing can have a relatively small overall thickness, typically between about 5 and 10 mm, but may be larg... | 10/14/2008 |
| 7413828 | Wafer alkaline cell A wafer alkaline cell of a laminar structure is disclosed. The cell has a pair of opposing sides comprising at least the majority of the boundary surface of said cell. The opposing sides define a short cell dimension therebetween. The cell comprises an anode assembl... | 08/19/2008 |
| D565506 | Battery charger | 04/01/2008 |
| 7351495 | Method of adding electrolyte to a gap between the cathode and separator of an alkaline cell An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 04/01/2008 |
| D564960 | Battery charger | 03/25/2008 |
| 7294429 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 11/13/2007 |
| 7273680 | Alkaline battery including nickel oxyhydroxide cathode and zinc anode A primary alkaline battery includes a cathode including a nickel oxyhydroxide and an anode including zinc or zinc alloy particles. Performance of the nickel oxyhydroxide alkaline cell is improved by adding zinc fines to the anode. ... | 09/25/2007 |
| 7258940 | Zinc/air cell A zinc/air button cell, wherein the cell has a single casing, namely, the anode can. A substantially flat metal support disk is employed, to close the open end of the anode can, thus eliminating the need for the conventional cathode can. The metal support disk is lo... | 08/21/2007 |
| D546281 | Battery charger | 07/10/2007 |
| D543935 | Battery charger | 06/05/2007 |
| 7179310 | Zinc/air cell with improved anode A method of forming an anode comprising zinc for a zinc/air cell. The method involves mixing zinc particles with binders including preferably polyvinylalcohol, surfactant and water to form a wet paste. The wet paste is compacted and molded into the near shape of the... | 02/20/2007 |
| 7163766 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 01/16/2007 |
| 7147678 | Alkaline cell with improved anode A method of forming an anode comprising zinc for an alkaline cell. The method involves mixing zinc particles with binders including preferably polyvinylalcohol, surfactant and water to form a wet paste. The wet paste is molded into the near shape of the cell's anode... | 12/12/2006 |
| 7094495 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 08/22/2006 |
| 7094494 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 08/22/2006 |
| 7045249 | Lithium cell with improved cathode A primary lithium cell having an anode comprising lithium and a cathode comprising electrochemically active material selected from copper vanadates having the formula CuV2O6 or Cu2V2O7 or mixtures thereof. The c... | 05/16/2006 |
| 7001439 | Zinc/air cell assembly An assembly process for manufacture of zinc/air cells, typically zinc/air button cells. The cells have a cup shaped anode casing and cup shaped cathode casing, each having an open and closed end. The process comprises an assembly step wherein the two casings are pus... | 02/21/2006 |
| 7001689 | Zinc/air cell A zinc/air cell having thin walled cup shaped anode casing and cathode casing. The cell may be a button cell having an anode comprising zinc and a cathode, which may be catalytic, comprising manganese dioxide. The anode and cathode casings have small wall thicknesse... | 02/21/2006 |
| 6991872 | End cap seal assembly for an electrochemical cell An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted end cap which may also function as a cell terminal and an underlying insulating sealing disk. The insulating sealing disk comprise... | 01/31/2006 |
| 6991875 | Alkaline battery including nickel oxyhydroxide cathode and zinc anode An alkaline battery includes a cathode including a nickel oxyhydroxide and an anode including zinc or zinc alloy particles. ... | 01/31/2006 |
| 6986969 | Alkaline cell with flat housing and improved current collector An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 01/17/2006 |
| D510261 | Battery package | 10/04/2005 |
| 6939528 | Manganese dioxide for alkaline cells Particulate MnO2, having simultaneously a micropore surface area greater than 8.0 m2/g, desirably between about 8.0 and 13 m2/g and BET surface area of between about 20 and 31 m2/g within the context of an MnO2 ... | 09/06/2005 |
| D508844 | Battery package | 08/30/2005 |
| 6926996 | Alkaline battery with flat housing A flat elongated alkaline battery comprising an outer metal housing and a single alkaline cell encased within a hydrogen permeable plastic container which is housed within the interior of the metal housing. The outer housing has at least a major surface which is a f... | 08/09/2005 |
| 6916577 | Alkaline cell with polymer electrolyte An alkaline cell having an anode comprising zinc, a cathode comprising manganese dioxide and an electrolyte comprising polyvinylbenzyltrimethylammoniumhydroxide. The anode can comprise particulate zinc dispersed within an aqueous gel comprising crosslinked polyvinyl... | 07/12/2005 |
| 6887614 | End cap assembly for an electrochemical cell An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted metal support disk and underlying insulating sealing disk. The convoluted support disk has a downwardly extending wall with at lea... | 05/03/2005 |
| 6887618 | Electrochemical cell with flat casing and vent An electrochemical cell generating hydrogen gas upon discharge, wherein the cell has an outer casing, a vent aperture passing through a wall of the casing, and a rupturable membrane covering the vent aperture. The outer casing preferably has a flat wall running alon... | 05/03/2005 |
| 6878489 | Lithium cell with improved cathode A primary lithium cell having an anode comprising lithium and a cathode comprising electrochemically active material selected from silver copper oxides having the formula AgCuO2 or Ag2Cu2O3 or mixtures thereof. The cathode... | 04/12/2005 |
| 6863876 | Manganese dioxide for alkaline cells Particulate MnO2, having simultaneously a micropore surface area greater than 8.0 m2/g, desirably between about 8.0 and 13 m2/g and BET surface area of between about 20 and 31 m2/g within the context of an MnO2 ... | 03/08/2005 |
| 6841302 | Alkaline cell with improved cathode An alkaline cell having an anode comprising zinc, an aqueous alkaline electrolyte, a cathode mixture comprising cathode active material comprising copper oxide or copper hydroxide. Graphitic carbon, preferably expanded graphite or graphitic carbon nanofibers are add... | 01/11/2005 |
| 6833215 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 12/21/2004 |
