4. Electricity: motive power systems
  5. Braking
  6. Dynamic braking

Walter A. Hill

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Movable root contact-pressure plate assembly for hydroponic syst

Plant husbandry – Water culture – apparatus or method – Individual support
Patent

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Movable root contact/pressure plate assembly for hydroponic syst

Plant husbandry – Water culture – apparatus or method – Nutrient recirculation system
Patent

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Rock dust blower

Fluid sprinkling – spraying – and diffusing – Container for non-fluid material – and scattering means – With means generating or supplying gaseous mixing current
Patent

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Speed control for truck

Electricity: motive power systems – Braking – Dynamic braking
Patent

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Speed controller for mill drives and the like

Electricity: motive power systems – Braking – Automatic and/or with time-delay means
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Profile ID: LFUS-PAI-P-230610

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