4. Electricity: motive power systems
  5. Positional servo systems
  6. Time-sharing or multiplexing systems

Hannu Oja

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Arrangement for controlling the loading element of a crane

Electricity: motive power systems – Positional servo systems – Time-sharing or multiplexing systems
Patent

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Crane

Motor vehicles – Having at least one wheel both driven and steerable – Steerable wheel has exclusive axis of pivot
Reexamination Certificate

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Grab

Material or article handling equipment – Conveying – lifting – or transferring article – Crane or hoist
Patent

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Profile ID: LFUS-PAI-P-1627434

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