4. Fluid-pressure and analogous brake systems
  5. Automatic
  6. Equilibrium

David J. Wickham

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Actuator emergency operation

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Braking cylinder inlet valve arrangement in braking systems for

Fluid-pressure and analogous brake systems – Automatic – Equilibrium
Patent

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Braking systems for railway

Fluid-pressure and analogous brake systems – Inertia control
Patent

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Buoyant device with means for producing thrust

Patent

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Combined BC pressure-maintaining valve and quick service bulb ex

Fluid-pressure and analogous brake systems – Automatic – Synchronizing
Patent

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