4. Fluid reaction surfaces (i.e., impellers)
  5. Removable auxiliary attachment to work surface

William P. Lang

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Anti-ventilation plate

Marine propulsion – Screw propeller – Having means to control flow around propeller
Patent

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Cooling water intake with increased flow

Marine propulsion – Screw propeller – Propulsion unit casing
Patent

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Fuel puddle suction system for fuel injected engine

Internal-combustion engines – Two-cycle – Rear compression
Patent

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Marine propeller with adjustable cupping

Fluid reaction surfaces (i.e. – impellers) – Removable auxiliary attachment to work surface
Patent

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Propeller vent plug with fluid passage

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas
Patent

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