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“Express up” vehicle window system and method

Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate

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1/8th and 1/16th micro-stepping motor drive software...

Electricity: motive power systems – Open-loop stepping motor control systems
Reexamination Certificate

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12-step commutation device for an electric motor

Electricity: motive power systems – Switched reluctance motor commutation control
Patent

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12/42 volt DC brush motor control system

Electricity: motive power systems – Having plural – diverse or diversely controlled sources – Different voltages
Reexamination Certificate

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2-step bi-directional stepping motor

Electricity: motive power systems – Open-loop stepping motor control systems
Reexamination Certificate

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2/4-pole PSC motor with shared main winding and shared...

Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate

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3-ring magnetic anti-gravity support

Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Reexamination Certificate

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A. C. motor control apparatus and method

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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A.C. induction devices having tuned compound windings

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

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A.C. induction motor energy conserving power control method and

Electricity: motive power systems – Induction motor systems – Power-factor control
Patent

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A.C. motor control

Electricity: motive power systems – Positional servo systems – Frequency- or phase-modulated systems
Patent

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A.C. Motor control

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

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A.C. motor control apparatus and method

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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A.C. motor control apparatus and method

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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A.C. Motor control circuit

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

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A.C. Motor control circuit

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

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A.C. Motor drive apparatus

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

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A.C. motor drive method and apparatus for precision positional c

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control
Patent

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A.C. motor starting control circuit utilizing triggerable semico

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

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A.C. motor starting system

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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