4. Electricity: measuring and testing
  5. Fault detecting in electric circuits and of electric components
  6. Of ground fault indication

Normann Fischer

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Apparatus and method for compensating secondary currents...

Electrical transmission or interconnection systems – Plural load circuit systems – Common conductor or return type
Reexamination Certificate

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Apparatus and method for detecting the loss of a current...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Transformer protection
Reexamination Certificate

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Apparatus and method for determining a faulted phase of a...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Reexamination Certificate

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Apparatus and method for identifying a loss of a current...

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Reexamination Certificate

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Apparatus and method for identifying a loss of a current...

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2284264

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