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

Water-retaining anode structure for a fuel cell

Chemistry: electrical current producing apparatus – product – and – Having earth feature

Reexamination Certificate

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Watering device for batteries

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

Patent

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Watertight battery box

Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – Support or holder per se

Patent

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Watertight battery cap

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

Patent

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Watertight battery compartment cover with latch actuated o-ring

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

Patent

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Wave-shaped flow board of fuel cells

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

Reexamination Certificate

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Wearable terminal with a battery latch mechanism

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

Reexamination Certificate

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Welded battery elements and process

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Intracell assembly having cell electrode connector

Patent

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Welded pressure vessel for a metal oxide-hydrogen battery utiliz

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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Weldless battery pack

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

Patent

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Weldless battery pack

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

Patent

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Weldless 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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Weldless battery pack with wiping contacts

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

Patent

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Weldless battery using cover as mold to cast plate straps, throu

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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Weldless surface mounted interconnect

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

Patent

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Wet proofed conductive current collector for the electrochemical

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

Patent

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Wet-cell storage battery

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

Patent

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Wet-seal caulk for carbonate fuel cell

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for joining components together

Reexamination Certificate

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Wettable battery separator for alkaline batteries

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method

Patent

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Wettable nonwoven battery separator

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith

Reexamination Certificate

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