4. Internal-combustion engines
  5. Four-cycle
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Rotary valve system for motors and the like having improved seal

Internal-combustion engines – Four-cycle – Oscillating valve
Patent

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Rotary-poppet valve internal combustion engine

Internal-combustion engines – Four-cycle – Single poppet valve
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotatable timed mechanism for feeding vaporous fluid to a combus

Internal-combustion engines – Four-cycle – Rotating valve
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating exhaust valve

Internal-combustion engines – Four-cycle – Rotating valve
Patent

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Rotating piston engine with variable effective compression strok

Internal-combustion engines – Four-cycle – Having subcharger associated with the cylinder
Patent

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Rotating sleeve engine

Internal-combustion engines – Four-cycle – Engine cylinder having a reciprocating sleeve valve
Reexamination Certificate

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