4. Internal-combustion engines
  5. Rotating cylinder
  6. Radial

Roger Evan Billings

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Four-cycle rotary engine and method of operation therefor

Internal-combustion engines – Rotating cylinder – Radial
Patent

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Hydride fuel system

Internal-combustion engines – Combined devices – Generating plants
Patent

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Method and apparatus for hydrogen fueled internal combustion eng

Internal-combustion engines – Miscellaneous – Fuels – lubricants and additives
Patent

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Rotary engine intake and exhaust system

Internal-combustion engines – Rotating cylinder – Radial
Patent

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Profile ID: LFUS-PAI-P-713525

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