U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Electric Fuel


Location: E.F.L.Ltd.
No. of patents: 23

NumberTitleIssue Date
6057052Cell for a metal-air battery
The invention provides a modular zinc air cell for use in an electrochemical zinc-air multi-cell battery, each cell being of the type provided with a housing having, two outer major surfaces, and two spaced-apart inner walls, the inner walls defining a fi...
05/02/2000
5792328Apparatus for removing zinc particle deposits from an electrode
The invention provides an apparatus for removing zinc particle deposits from substantially the entire face of a major surface of an electrode in an electrochemical bath, the apparatus comprising a plate attached to actuating means for affecting relative m...
08/11/1998
5753384Air-cooled metal-air battery
The invention provides an electrochemical zinc-air multi-cell battery, each cell being of the type provided with a housing having a base, two major surfaces and two minor surfaces, defining an interior space for containing therein a zinc electrode; at lea...
05/19/1998
5582929Electrolyte cooling device for use with a metal-air battery
The invention provides an electrolyte cooling device for use in combination with a multi-cell metal-air battery, the device comprising an electrolyte reservoir divided into a smaller compartment and a larger compartment, the compartments being connected b...
12/10/1996
5569555Recharging of zinc batteries
The invention provides a process for removing discharged active zinc-containing material from a mechanically rechargeable zinc battery anode, containing the same, the anode being of the type comprising a skeletal frame, including conductive metal and havi...
10/29/1996
5565083Process and scraper for removing deposits from an electrode
The invention provides a scraper for removing deposits from a major surface of an electrode in an electrochemical bath. The scraper consists of a plate which moves across the electrode surface. The scraper is provided with a scraper blade-retaining slot a...
10/15/1996
5554918Mechanically-rehargeable battery
A mechanically-rechargeable single-cell consumer electric battery for generating up to two volts, the battery being capable of electrical recharge. The battery including a replaceable zinc anode, a housing containing the anode and provided with an apertur...
09/10/1996
5515939Metal-air battery-powered electric vehicle
The invention provides a metal-air battery-powered electric vehicle of the type having a motor powered by a plurality of metal-air cells wherein air is continuously provided to the cells by a blower system energized from a power source, in combination wit...
05/14/1996
5516599Means for storage and transportation of electric fuel
The invention provides a rigid reusable transport and storage vessel for retaining a plurality of anode cassettes of pressed zinc particles saturated with aqueous alkaline solution, and utilizable as an electric fuel in a zinc-air battery, the vessel havi...
05/14/1996
5487955Cooled zinc-oxygen battery
The invention provides a multi-cell, sealed, cooled, zinc-oxygen battery, comprising a container containing a plurality of bi-cells, each cell having a housing provided with two major surfaces and accommodating a pair of oppositely-disposed, spaced-apart,...
01/30/1996
5447805Cell for a metal-air battery
A modular cell for a multi-cell metal-air battery system, comprises a relatively flat cell housing having two major surfaces and accommodating a pair of oppositely disposed, spaced-apart, air-permeable, liquid-impermeable cathodes in the form of air elect...
09/05/1995
5445901Zinc-oxygen battery
The invention provides a multi-cell, sealed, zinc-oxygen battery, comprising a container containing (a) a plurality of bi-cells, each cell having a housing provided with two major surfaces and accommodating a pair of oppositely-disposed, spaced-apart, air...
08/29/1995
5441823Process for the preparation of gas diffusion electrodes
The invention provides a process for preparing a gas-diffusion electrode for metal-air batteries and fuel cells of the type having a blocking layer formed from a precursor containing carbon black and particulate hydrophobic polymeric binders, comprising h...
08/15/1995
5424143Air-cooled, metal-air battery
The invention provides a mechanically rechargeable, electrochemical metal-air battery of the type having a plurality of metal-air cells, each of the cells comprising a housing having a base, two major surfaces and two minor surfaces, defining an interior ...
06/13/1995
5424147Water-activated battery
The invention provides a water-activated, deferred-action battery having a housing containing at least one cell, comprising at least one anode selected from the group consisting of magnesium, aluminum, zinc and alloys thereof; a cathode comprising a skele...
06/13/1995
5419987High performance zinc powder and battery anodes containing the same
An electrochemically prepared, high-performance, zinc powder has an apparent density of about 0.2-2 g/cc and a surface area of about 0.5-6 m2 /gm and further has at least one corrosion inhibitor metal intrinsically alloyed therein....
05/30/1995
5418080Mechanically rechargeable, electrochemical metal-air battery
A mechanically rechargeable, electrochemical metal-air battery of the type having a plurality of metal-air cells, each of said cells comprising (a) a housing having a base, two major surfaces and two minor surfaces, defining an interior space for containi...
05/23/1995
5411815Transport and storage vessel for electric fuel
The invention provides a transport and storage vessel containing a slurry of zinc and an aqueous alkaline solution utilizable as an electric fuel for a zinc-air battery, the vessel being provided with at least one hydrogen vent for venting any H2
05/02/1995
5405713Refueling system
The invention provides a refueling system for automated recharging of zinc-air batteries of the type having a plurality of active zinc anode elements formed of active zinc material attached to a support frame immersed in an aqueous alkaline electrolyte in...
04/11/1995
5378329Process for the preparation of an alkaline-zinc slurry for use in batteries
A process for the preparation of an alkaline-zinc slurry for use in batteries, the slurry comprising an admixture of (a) at least partly oxidized zinc; (b) an aqueous solution of at least one Group Ia metal; and (c) an inorganic or organic inhibitor. The ...
01/03/1995
5366822Cell for a metal-air battery
A modular cell for a multi-cell metal-air battery system, comprises a relatively flat cell housing having two major surfaces and accommodating a pair of oppositely disposed, spaced-apart, air-permeable, liquid-impermeable cathodes in the form of air elect...
11/22/1994
5312701Process for preparing a single pass gas diffusion electrode
The invention provides a single pass wet fabrication process for preparing a gas diffusion electrode for metal-air batteries and fuel cells comprising: a) preparing an active-layer forming dispersion containing catalyzed carbon black, hydrophilic fluorina...
05/17/1994
5232798Method for inhibiting corrosion in particulate zinc
A method for the inhibition of corrosion in particulate zinc, comprises the step of subjecting the zinc in the form of an alkaline slurry to the action of a corrosion inhibiting effective amount of a corrosion inhibitor which is at least one oxide selecte...
08/03/1993
 
Sign InRegister
Username  
Password   
forgot password?