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Class Information
Number: 429/57
Name: Chemistry: electrical current producing apparatus, product, and process > Sealed cell having gas prevention or elimation means
Description: Apparatus wherein the device is completely closed and has means within the same for preventing formation of or eliminating gas pressure.










Sub-classes under this class:

Class Number Class Name Patents
429/58 Prevention means controlling an auxiliary device 36
429/59 Prevention or elimination means is one of the cell electrodes or is electrically connected to an electrode 261


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8669010 Nonaqueous secondary battery Mar. 11, 2014
8658296 Rechargeable battery Feb. 25, 2014
8652667 Battery pack Feb. 18, 2014
8647759 Secondary battery Feb. 11, 2014
8617766 Method for co-generation of electric energy and hydrogen Dec. 31, 2013
8592063 Battery pack pressure valve Nov. 26, 2013
8563150 Device for catalytic recombination of gases for alkaline batteries with shortened zinc anode Oct. 22, 2013
8541121 Quenching system Sep. 24, 2013
8460808 Rechargeable lithium batteries comprising means for the sorption of harmful substances Jun. 11, 2013
8450000 Rapidly rechargeable battery May. 28, 2013
8426048 Battery pack, electronic apparatus equipped with the same and electronic apparatus equipped with battery housing part Apr. 23, 2013
8373969 Energy storage system with a protective device that chemically binds decomposition products of a solvent of an electric component Feb. 12, 2013
8367232 Venting system for an underground enclosure Feb. 5, 2013
8313539 Method of fabricating an anode and a lithium battery Nov. 20, 2012
8309240 Encapsulated fire-retardant materials to improve battery safety Nov. 13, 2012
8304107 Cylindrical lithium rechargeable battery Nov. 6, 2012
8293389 All-solid state lithium secondary battery Oct. 23, 2012
8273473 Secondary battery having safety vent Sep. 25, 2012
8241773 Electrochemical device with high capacity and method for preparing the same Aug. 14, 2012
8236437 Battery case cover Aug. 7, 2012
8236439 Rechargeable battery Aug. 7, 2012
8202640 Rapidly rechargeable battery Jun. 19, 2012
8178226 Film-covered electric device and method of manufacturing same May. 15, 2012
8153289 Secondary battery Apr. 10, 2012
8147998 Secondary battery with rupture groove Apr. 3, 2012
8147999 Closure assembly with low vapor transmission for electrochemical cell Apr. 3, 2012
8084152 Lithium ion secondary battery having shape memory safety vent Dec. 27, 2011
8071233 Integrated current-interrupt device for lithium-ion cells Dec. 6, 2011
8057933 Safety mechanism for laminate battery Nov. 15, 2011
8039135 Electrochemical cell exhibiting enhanced safety features Oct. 18, 2011
8012615 CID retention device for Li-ion cell Sep. 6, 2011
8007933 Vehicle power storage unit and vehicle Aug. 30, 2011
7964300 Battery pack Jun. 21, 2011
7955724 Secondary battery having a film including expandable graphite and polyurethane Jun. 7, 2011
7927754 Pressure relief feature for a fuel cell stack Apr. 19, 2011
7923137 Nonaqueous cell with improved thermoplastic sealing member Apr. 12, 2011
7923138 Housing for a sealed electrochemical battery cell Apr. 12, 2011
7919202 Nonaqueous cell with improved thermoplastic sealing member Apr. 5, 2011
7824790 Housing for a sealed electrochemical battery cell Nov. 2, 2010
7794170 Joint with application in electrochemical devices Sep. 14, 2010
7790305 Gas diffusion layers with integrated seals having interlocking features Sep. 7, 2010
7776465 Nonaqueous electrolyte battery Aug. 17, 2010
7767337 Bipolar battery and a biplate assembly Aug. 3, 2010
7745038 Alkaline dry battery and sealing gasket therefor Jun. 29, 2010
7704632 Electrochemical cell having a vent assembly with a rupturable seal member Apr. 27, 2010
7687189 Housing for a sealed electrochemical battery cell Mar. 30, 2010
7678498 Nonaqueous electrolyte secondary battery Mar. 16, 2010
7662424 Method of making composite particle for electrode, method of making electrode, method of making electrochemical device, apparatus for making composite particle for electrode, apparatus for mak Feb. 16, 2010
7604894 Film covered battery and stacked battery assembly Oct. 20, 2009
7582379 Secondary battery of assemble-type structure Sep. 1, 2009

1 2 3 4 5










 
 
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