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Class Information
Number: 429/53
Name: Chemistry: electrical current producing apparatus, product, and process > Means externally releasing internal gas pressure from closed cell, i.e., valve etc.
Description: Apparatus having means to release an internal gas pressure to the exterior of a closed cell.


Sub-classes under this class:

Class Number Class Name Patents
429/56 Blowout type 189
429/54 Elastic, resilient or spring biasing valve means 143


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5663007 Sealed storage battery and method for manufacturing the same Sep. 2, 1997
5639568 Split anode for a dual air electrode cell Jun. 17, 1997
5589293 Sealed galvanic cell with injection molded top Dec. 31, 1996
5585209 Bipolar lead/acid batteries Dec. 17, 1996
5554455 Resealable safety vent and a sealed alkaline rechargeable battery provided with the safety vent Sep. 10, 1996
5532074 Segmented hydride battery Jul. 2, 1996
5523178 Chemical cell Jun. 4, 1996
5510203 Cell and module battery of sealed alkaline storage battery Apr. 23, 1996
5506067 Rechargeable electrochemical cell and cell case therefor with vent for use in internal recombination of hydrogen and oxygen Apr. 9, 1996
5464701 Leakproof, valve regulated, maintenance-free lead acid battery Nov. 7, 1995
5458988 Metal-air-cells having improved anode assemblies Oct. 17, 1995
5455128 Nonaqueous battery Oct. 3, 1995
5455124 Sealing valve for container openings Oct. 3, 1995
5449567 Rechargeable battery Sep. 12, 1995
5441824 Quasi-bipolar battery requiring no casing Aug. 15, 1995
5427875 Non-aqueous electrolyte secondary cell Jun. 27, 1995
5418083 Battery with rust preventive structure May. 23, 1995
5418082 Sealed battery with current cut off means May. 23, 1995
5352545 Battery containing foam polyurethane resin and method of making Oct. 4, 1994
5328778 Metal-air cells comprising collapsible foam members and means for minimizing internal pressure buildup Jul. 12, 1994
5298344 Device for exhausting the fumes forming inside accumulation batteries Mar. 29, 1994
5270133 Caseless battery Dec. 14, 1993
5264301 Metal oxide-hydrogen battery incorporating a mechanism for maintaining a constant pressure in the battery Nov. 23, 1993
5215835 Metal oxide-hydrogen battery having an outer safety shell Jun. 1, 1993
5178973 Battery having improved explosion attenuation material Jan. 12, 1993
5173374 Explosion attenuation system and method for assembly in battery Dec. 22, 1992
5171647 Hydrogen containment cover assembly for sealing the cell can of a rechargeable electrochemical hydrogen storage cell Dec. 15, 1992
5168016 Zinc-halogen secondary battery with feature of enhanced charge efficiency Dec. 1, 1992
5156930 Battery equipped with opening-sealing device Oct. 20, 1992
5128217 Reduced maintenance nickel-cadmium storage cell Jul. 7, 1992
5128600 Method for removing excess electrolyte from a nickel-cadmium cell Jul. 7, 1992
5085951 Vented battery Feb. 4, 1992
5045085 Battery explosion attenuation material and method Sep. 3, 1991
5041345 Secondary seal for vented electrochemical cells Aug. 20, 1991
5004129 Self-venting container Apr. 2, 1991
5001022 Lead-acid storage battery and related method of construction Mar. 19, 1991
4943497 Cell having current cutoff valve Jul. 24, 1990
4931368 Vent liner and cover construction for galvanic cells Jun. 5, 1990
4892632 Combination seal member and membrane holder for an electrolytic cell Jan. 9, 1990
4891270 Pressure release system for electric storage batteries Jan. 2, 1990
4885218 Battery exhaust gas plug filter and process for manufacturing the same Dec. 5, 1989
4859546 Battery explosion attenuation material and method Aug. 22, 1989
4758482 Enclosed type lead batteries and method for producing the same Jul. 19, 1988
4751155 Method and apparatus for the preparation and installation of battery explosion attenuation material Jun. 14, 1988
4751154 Battery explosion attenuation material and method Jun. 14, 1988
4698282 Safety vent device for electrochemical cells Oct. 6, 1987
4678725 Hermetically sealed storage battery Jul. 7, 1987
4636445 Metal/hydrogen alkaline storage battery Jan. 13, 1987
4628012 Explosion-proof, hermetically sealed galvanic cell Dec. 9, 1986
4618544 Explosion proof battery Oct. 21, 1986

1 2 3 4 5


 
 
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