4. Internal-combustion engines
  5. Adjustable combustion chamber
  6. Piston in head adjusted

Rafal A. Sobotowski

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Crankshaft phasing mechanism

Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Patent

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Leading piston engine with two cylinders interconnected through

Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle
Patent

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Method for controlling exhaust emissions from direct...

Internal-combustion engines – Miscellaneous – Fuels – lubricants and additives
Reexamination Certificate

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Method for selecting fuel to both optimize the operating...

Measuring and testing – Engine detonation – Fuel rating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-845104

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