4. Electricity: motive power systems
  5. Induction motor systems
  6. Primary circuit control

James Edward Hansen

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Electrical current sensing apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Reexamination Certificate

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Electrical current sensing apparatus

Electrical resistors – Resistance value responsive to a condition – Magnetic field or compass
Patent

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Soild state protection circuit for electrical apparatus

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

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Variable speed control for a hand-held electric power tool

Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent

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Profile ID: LFUS-PAI-P-886967

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