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"O"-Type engine construction

Internal-combustion engines – Transmission mechanism from piston – Including clutch
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2-4 Cycle change-over engine and its control system

Internal-combustion engines – Convertible cycle
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2-cycle engine

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent

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2-Cycle engine of an active thermoatmosphere combustion

Internal-combustion engines – Two-cycle – Rear compression
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2-Cycle engine of an active thermoatmosphere combustion

Internal-combustion engines – Multiple cylinder – Cylinders in-line
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2-Cycle engine of an active thermoatmosphere combustion type

Internal-combustion engines – Two-cycle – Rear compression
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2-Cycle engine of an active thermoatmosphere combustion type

Internal-combustion engines – Two-cycle – Rear compression
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2-Cycle engine of an active thermoatmosphere combustion type

Internal-combustion engines – Two-cycle – Rear compression
Patent

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2-cycle internal combustion engine

Internal-combustion engines – Igniters – Incandescent
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2-cycle uni-flow spark-ignition engine

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent

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2-stroke cycle internal combustion engine

Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
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2-stroke engine crank shaft

Internal-combustion engines – Two-cycle – Rear compression
Reexamination Certificate

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2-Stroke internal combustion engine and an ignition-combustion m

Internal-combustion engines – Two-cycle – Rear compression
Patent

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2-valve, 2-plug, 2-intake lean burn engine with squish flow...

Internal-combustion engines – Combustion chamber – Having squish area
Reexamination Certificate

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3-D braided composite valve structure

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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3-step cam-profile-switching roller finger follower

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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3/2 Directional-control valve

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...
Reexamination Certificate

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3/2-way valve

Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate

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4-cycle 12-cylinder engine

Internal-combustion engines – Multiple cylinder
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4-cycle engine

Internal-combustion engines – Frame construction – Horizontal cylinder
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