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

Online detection of stack crossover rate for adaptive...

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

Reexamination Certificate

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Open and short circuit test apparatus

Chemistry: electrical current producing apparatus – product – and – With nonbattery electrical component electrically connected...

Patent

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Open and short circuit test method

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

Patent

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Open end protection for solid oxide fuel cells

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

Reexamination Certificate

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Opening and closing mechanism for battery compartment and...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

Reexamination Certificate

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Opening/closing device for battery cover

Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – Having switch or interlock means

Patent

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Operating a fuel cell system during low power demand

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

Reexamination Certificate

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Operating electrolyte based components

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

Reexamination Certificate

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Operating states for fuel processor subsystems

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

Reexamination Certificate

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Operating system for a direct antifreeze cooled fuel cell...

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

Reexamination Certificate

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Operating system for a fuel cell power plant

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

Reexamination Certificate

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Operation control of a fuel cell system

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

Reexamination Certificate

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Operation control of fuel cell system

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

Reexamination Certificate

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Operation method and purging system for a hydrogen...

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

Reexamination Certificate

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Operation method and purging system for a hydrogen...

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

Reexamination Certificate

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Operation method for polymer electrolyte fuel cell

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

Reexamination Certificate

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Operation method for polymer electrolytic fuel cell

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

Reexamination Certificate

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Operation method for power generation system using fuel cell

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

Patent

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Operation of microbial fuel cells

Chemistry: electrical current producing apparatus – product – and – Having living matter – e.g. – microorganism – etc.

Patent

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Operational guidance device of sodium-sulphur battery

Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing...

Reexamination Certificate

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