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Class Information
Number: 429/73
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) > Single filling opening and means to equalize fluid level in plural cells
Description: Apparatus having one filling opening and structure functioning to equalize the liquid level in all sections of the battery.

Patents under this class:

Patent Number Title Of Patent Date Issued
8263245 Cap assembly and secondary battery using the same Sep. 11, 2012
6893771 Battery assembly May. 17, 2005
6764789 Redox flow battery Jul. 20, 2004
6689507 Battery and equipment or device having the battery as part of structure and locally distributed power generation method and power generation device therefor Feb. 10, 2004
6622744 Filling pod for a battery, vehicle and method of supplying fluid to a battery Sep. 23, 2003
6482542 Integrated sealed secondary battery Nov. 19, 2002
6472096 Secondary battery Oct. 29, 2002
6143442 Prismatic battery Nov. 7, 2000
5841355 Optimum electrolyte level sensing method and the automatic topping up apparatus for storage wet cell Nov. 24, 1998
5803138 Filling device for battery cells with a float-operated valve Sep. 8, 1998
5482794 Single point battery watering system with inlet mounting bracket Jan. 9, 1996
5470679 Method of assembling a bipolar lead-acid battery and the resulting bipolar battery Nov. 28, 1995
4908282 Recombinant battery and plate separator therefor Mar. 13, 1990
4696874 Plug for cells of electrical storage batteries Sep. 29, 1987
4424263 Intercell flame arrestor for a battery venting and filling manifold Jan. 3, 1984
4421835 Storage of electrical energy with tin electrode system, storage apparatus, and method of forming such apparatus Dec. 20, 1983
4421832 Electrochemical cell Dec. 20, 1983
4087590 Pressure-equalized electrochemical battery system May. 2, 1978
4008355 Storage battery with common expansion and filler chamber Feb. 15, 1977

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