LandOfFree - US Patents - Listing for Chemistry: electrical current producing apparatus, product, and ,Fuel cell, subcombination thereof, or method of making or...,Process or means for control of operation

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Method of operating a fuel cell stack by monitoring membrane...

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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Method of operating 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

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Method of operating a fuel cell system by detecting leakage...

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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Method of operating a solid polymer electrolyte 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

Reexamination Certificate

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Method of optimizing operating efficiency of fuel cells

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

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Method of preparation of bonded polyimide fuel cell package

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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Method of selecting non-humidification operation condition...

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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Method to reduce/eliminate shunt current corrosion of wet...

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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Methods of operating and making a solid oxide 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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Methods of removing contaminants from a fuel cell electrode

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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Micro channel heater for even heating

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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Mitigating fuel cell start up/shut down degradation

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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Multi-layer polyelectrolyte membrane

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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