US Patent No: 4,810,598

Number of patents in Portfolio can not be more than 2000

Gas recombination assembly for electrochemical cells

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Abstract

An assembly for recombining gases generated in electrochemical cells wherein a catalyst strip is enveloped within a hydrophobic, gas-porous film which, in turn, is encased between gas-porous, metallic layers. The sandwich construction of metallic layers and film is formed into a spiral with a tab for connection to the cell.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EVERCEL, INC.DANBURY, CT13

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Charkey, Allen Brookfield, CT 15 154
Levy, Isaac Lawrence, NY 12 31

Cited Art

Patent Info (Count) # Cites Year
 
ATOMIC ENERGY OF CANADA LIMITED (1)
4,374,907 Gaseous hydrogen and oxygen combining and condensing device 13 1981
 
HOWMET CORPORATION (1)
4,447,508 Reduced maintenance explosion damage resistant storage battery 14 1983
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (1)
4,584,249 Oxygen recombination in individual pressure vessel nickel-hydrogen batteries 12 1984

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
DAIMLER AG (1)
6,372,983 Enclosure for electrical components installed in locations where a flammable gas or vapor is expected to be present 3 1999
 
NEC ENERGY DEVICES, LTD. (1)
6,319,628 Secondary battery with plural electrode terminals connected through one collecting terminal and manufacturing method thereof 9 2000
 
PHILADELPHIA SCIENTIFIC LLC (1)
6,274,263 Semi-flooded lead acid battery cell 3 1998
 
RENATA AG (1)
6,159,630 Safety vent for storage battery or cell 2 1999
 
ZENTRALNA LA BORATORIA PO ELEKTROCHIMICHESKI IZTOCHNICI NA TOK (1)
4,925,746 Device for recombing hydrogen and oxygen released in lead-acid storage batteries 9 1988
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
7,074,255 Noble metal gas barriers 1 2004