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Radial impulse engine, pump, and compressor systems, and...

Internal-combustion engines – Oscillating piston – Toroidal cylinder
Reexamination Certificate

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Radial impulse engine, pump, and compressor systems, and...

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Reciprocating rotary piston system and pressure pump and...

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Reciprocating rotary piston thermal engine with a spherical cham

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Reciprocating rotation type engine and power transferring...

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Rocking-type piston engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Rotary piston internal combustion engine

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Rotary piston machine

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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Rotary toroidal machine with piston connecting mechanism

Internal-combustion engines – Oscillating piston – Toroidal cylinder
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