4. Electric heating
  5. Heating devices
  6. Combined with diverse-type art device

David Fletcher

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Air purifying system

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...
Patent

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Circuit breaker with integral testing unit

Electricity: measuring and testing – Electromechanical switching device – Circuit breaker
Reexamination Certificate

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Method and apparatus for determining voltage regulator tap...

Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device
Reexamination Certificate

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Method and devices for optimizing power consumption of trip...

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Reexamination Certificate

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Method and devices for wireless communication between test...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-364787

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