4. Electricity: motive power systems
  5. Braking
  6. Automatic and/or with time-delay means

Sten Elvin

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DC convertor

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

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Drive equipment supplied with direct current

Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent

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Means for controlling the speed of a cable

Motor vehicles – Motor supplied with power from external source
Patent

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Means for supplying a load object

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

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Static converter equipment

Electrical transmission or interconnection systems – Plural supply circuits or sources – Load current control
Patent

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Profile ID: LFUS-PAI-P-224094

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