LandOfFree - US Patents - Listing for Chemistry: electrical current producing apparatus, product, and

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Flat-type unit cell and specific unit cell components

Wafer alkaline cell

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement

Wafer provided with transverse conductors and application to...

Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Electrolyte feeding control from reserve supply

Wafer supply structure for liquid storage battery

Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having nonmovable means providing motion between electrolyte...

Wall wick for nickel-hydrogen cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Warm-up apparatus for fuel cell

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation

Warm-up apparatus for fuel cell

Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature

Warm-up of fuel cell power plant

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Warming device for fuel cell system

Chemistry: electrical current producing apparatus – product – and – With measuring – testing – or indicating means – For charge or liquid level

Warning device for indicating critical condition of starter batt

Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature

Waste heat recovery means for fuel cell power system

Chemistry: electrical current producing apparatus – product – and – Preserving cell in storage feature

Water activatable, lead-acid storage battery and method for manu

Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to addition of liquid

Water activated batteries

Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to addition of liquid

Water activated primary batteries

Chemistry: electrical current producing apparatus – product – and – Preserving cell in storage feature

Water activation and pressure equalization of electrochemical ba

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Water and heat management in solid polymer fuel cell stack

Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Venting structure

Water by-passing, flame retardant battery vent plug

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Water control for a fuel cell system

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Water controller system for direct methanol fuel cell

Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to movement of electrode on contained electrolyte

Water cooled bipolar battery apparatus