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Class Information
Number: 429/72
Name: Chemistry: electrical current producing apparatus, product, and process > Having specified venting, feeding or circulation structure (other than feeding or filling for activating deferred action-type battery)
Description: Apparatus having means for manipulating a fluid in a battery structure to (a) vent, (b) feed, or (c) circulate the same.










Sub-classes under this class:

Class Number Class Name Patents
429/80 Having (manual) electrolyte storage feeding a device 47
429/74 Having means to control electrolyte level when liquid is added, other than a visual reference point 25
429/81 Having nonmovable means providing motion between electrolyte and electrodes, i.e., circulation 84
429/73 Single filling opening and means to equalize fluid level in plural cells 19
429/82 Venting structure 326


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8709629 Systems and methods for redox flow battery scalable modular reactant storage Apr. 29, 2014
8679662 Battery assembly with gas discharge mechanism Mar. 25, 2014
8652665 System and method of controlling fluid to a fluid consuming battery Feb. 18, 2014
8652669 Lead-acid battery Feb. 18, 2014
8652699 Fuel cell system Feb. 18, 2014
8632903 Redox flow battery and method of operating the same Jan. 21, 2014
8617733 Electrochemical energystorage device having a reservoir for an additive Dec. 31, 2013
8603660 Battery system with heat exchanger Dec. 10, 2013
8586228 Battery module Nov. 19, 2013
8580424 Rechargeable battery Nov. 12, 2013
8557425 Battery cooling apparatus for electric vehicle Oct. 15, 2013
8557414 Control, collection and use of metal-air battery pack effluent Oct. 15, 2013
8551632 Battery cooling system Oct. 8, 2013
8535823 Cooling device of battery pack Sep. 17, 2013
8518569 Integrated frame battery cell Aug. 27, 2013
8518568 Battery system Aug. 27, 2013
8501334 Rechargeable battery and method of injecting electrolyte thereinto Aug. 6, 2013
RE44291 Secondary battery having cap assembly Jun. 11, 2013
8440338 Battery assembling body and vehicle on which battery assembling body is mounted May. 14, 2013
8435665 Device for cooling a vehicle battery May. 7, 2013
8435664 Battery system having temperature equalizing walls in ducts May. 7, 2013
8426048 Battery pack, electronic apparatus equipped with the same and electronic apparatus equipped with battery housing part Apr. 23, 2013
8426051 Battery packs suitable for use with battery powered appliances Apr. 23, 2013
8420242 Cell module Apr. 16, 2013
8415042 Metal halogen electrochemical cell system Apr. 9, 2013
8404375 Electrical battery comprising flexible generating elements and a system for the mechanical and thermal conditioning of said elements Mar. 26, 2013
8399114 Battery module Mar. 19, 2013
8394518 Galvanic electrochemical cells for generating alternating current electricity Mar. 12, 2013
8383258 Cap assembly of improved safety and cylindrical secondary battery employed with the same Feb. 26, 2013
8349481 Power storage apparatus Jan. 8, 2013
8343643 Battery pack including a support frame Jan. 1, 2013
8323811 Lead acid storage battery Dec. 4, 2012
8313851 Lithium rechargeable battery Nov. 20, 2012
8313852 Lithium rechargeable battery Nov. 20, 2012
8298692 Collection, storage and use of metal-air battery pack effluent Oct. 30, 2012
8283063 Power supply device Oct. 9, 2012
8268470 Ventilator of a fuel-cell vehicle Sep. 18, 2012
8268472 Battery cooling apparatus for electric vehicle Sep. 18, 2012
8263244 Isolation tray for a battery system Sep. 11, 2012
8236437 Battery case cover Aug. 7, 2012
8236438 Nonaqueous electrolyte battery Aug. 7, 2012
8236440 Partial flow cell Aug. 7, 2012
8231993 Flexible multi-walled tubing assembly Jul. 31, 2012
8202641 Metal electrode assembly for flow batteries Jun. 19, 2012
8197963 Lithium ion secondary battery Jun. 12, 2012
8182936 Temperature control device for on-board battery pack May. 22, 2012
8178226 Film-covered electric device and method of manufacturing same May. 15, 2012
8173286 Battery pack May. 8, 2012
8158280 Battery container having cruciform vent and cover Apr. 17, 2012
8137831 Electrolyte flow configuration for a metal-halogen flow battery Mar. 20, 2012

1 2 3 4 5 6 7










 
 
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