4. Internal-combustion engines
  5. Four-cycle
  6. Rotating valve

Daniel M. Schaeffer

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Spheroidal rotary valve for combustion engines

Internal-combustion engines – Four-cycle – Rotating valve
Reexamination Certificate

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Two-stroke internal combustion engine with recuperator in...

Internal-combustion engines – Two-cycle – Pump and cylinder adjacent
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2136862

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