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

Unitized fuel cell structure

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

Patent

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Unitized MEA assemblies and methods for making same

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

Reexamination Certificate

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Unitized membrane electrode assembly and process for its...

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

Reexamination Certificate

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Unitized regenerative fuel cell system

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

Reexamination Certificate

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Unitized regenerative fuel cell with bifunctional fuel cell...

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

Reexamination Certificate

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Universal battery mount

Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell

Reexamination Certificate

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Universal battery post cap

Chemistry: electrical current producing apparatus – product – and – Adjuncts in combination with or for connection to an...

Patent

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Universal camcorder battery pack

Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – Having disparate support structure – e.g. – eyeglass temple – etc.

Patent

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Universal camcorder battery pack

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

Patent

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Universal electrolyte level indicator for wet cell batteries

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

Patent

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Universal electrolyte level indicator for wet cell batteries

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

Patent

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Universal inexpensive battery state-of-charge indicator

Chemistry: electrical current producing apparatus – product – and – With measuring – testing – or indicating means

Patent

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Universal seal

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

Patent

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Universal terminal storage battery with handle

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

Patent

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Unregulated spacecraft electrical bus

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

Patent

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Up and through battery intercell weld

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Plural cells

Patent

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Upgradable smart battery pack

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

Reexamination Certificate

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Upper cap for electrical accumulators

Chemistry: electrical current producing apparatus – product – and – Terminal protector other than seal through casing

Patent

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UPS with auto self test

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

Patent

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Upward deflecting support disk for electrochemical cell seal

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Elastic – resilient or spring biasing valve means

Patent

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