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Selected: D

D.C. Power reversing switch

Electricity: circuit makers and breakers – Multiple circuit control – Sequential operations
Patent

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Damped pressure switch

Electricity: circuit makers and breakers – Fluid pressure – Piston
Reexamination Certificate

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Damping device for electric circuit breakers

Electricity: circuit makers and breakers – Fluid pressure – Piston
Patent

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Damping of contacts

Electricity: circuit makers and breakers – Electric switch details – Contact
Patent

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Data entry keyboard

Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent

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Data entry switch

Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent

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Data input device with a manually operable key having static ele

Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent

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Data line switch

Electricity: circuit makers and breakers – Combined with or actuated by connector coupling – Multiple circuit control – selective
Reexamination Certificate

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Data printing device for photographic camera

Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent

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Data processing apparatus and removal recording media

Electricity: circuit makers and breakers – Electric switch details – Actuators
Reexamination Certificate

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Data processing device and plug-in package

Electricity: circuit makers and breakers – Electric switch details – Latches
Patent

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Data setter

Electricity: circuit makers and breakers – Switch activation inhibitor
Reexamination Certificate

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Data transfer switch

Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent

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DC Circuit breaker

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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De-energized tap changer

Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Reexamination Certificate

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Dead front interlocked receptacle

Electricity: circuit makers and breakers – Switch activation inhibitor – Actuator blocking device
Patent

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Dead man safety assembly

Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent

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Dead man switch for a winch

Electricity: circuit makers and breakers – Combined with or actuated by connector coupling – Coupling-actuated switch
Patent

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Dead man-type electrical control device for power tools

Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent

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Dead tank circuit breaker

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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