4. Electricity: magnetically operated switches, magnets, and electr
  5. Electromagnetically actuated switches
  6. Automatic circuit-interrupting devices

Engelbert Hetzmannseder

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Apparatus and method for controlling an electric motor

Electricity: motive power systems – Limitation of motor load – current – torque or force
Patent

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Arc fault detector and method for locating an arc fault

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Parameter related to the reproduction or fidelity of a...
Reexamination Certificate

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Blade tip for puncturing cupro-nickel seal cup

Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate

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Communication interface apparatus for an electrical...

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Electric control apparatus

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent

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Profile ID: LFUS-PAI-P-517622

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