4. Chemistry: electrical current producing apparatus, product, and
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Vented nickel-cadmium storage cell

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Patent

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Vented plug for storage batteries

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed...
Patent

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Ventilation apparatus for fuel cell system

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

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Ventilation of fuel cell power plant

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

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Venting system for electric storage batteries

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed...
Patent

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Venting system for electric storage battery

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

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Venting system for electric storage battery

Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed...
Patent

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Venting water-tight battery-operated devices

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

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Venting water-tight battery-operated devices

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

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Vertically positioned support for a button type battery

Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – For plural cells
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Very low emission hybrid electric vehicle incorporating an...

Chemistry: electrical current producing apparatus – product – and – Having diverse cells or diverse removable cells in a support...
Reexamination Certificate

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Very thin microporous material

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
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Very thin, light bipolar plates

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

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Vessel for a metal gas cell

Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination...
Patent

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Via filled interconnect 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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Vibration resistant battery

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

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Vibration resistant electrochemical cell

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

Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
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Vibration resistant secondary battery module

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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Vibration-resistant accumulator and method of its manufacture

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

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