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Reciprocable piston internal combustion engine, especially diese

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Reciprocating piston internal combustion engine with twist formi

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Retractable seat valve and method for selective gas flow...

Internal-combustion engines – Valve – Valve seat relation
Reexamination Certificate

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Rocker cover gasket assembly with integral valve stem seals

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Rotary engine valve with improved seals and lubrication system

Internal-combustion engines – Valve – Rotary
Patent

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Rotary plug

Internal-combustion engines – Valve – Rotary
Patent

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Rotary sleeve port for an internal combustion engine

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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Rotary valve

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve apparatus for internal combustion engines and metho

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve arrangement

Internal-combustion engines – Valve – Rotary
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Rotary valve arrangement

Internal-combustion engines – Valve – Rotary
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Rotary valve assembly

Internal-combustion engines – Valve – Rotary
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Rotary valve assembly

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve assembly used with reciprocating engines

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve construction for an internal combustion engine

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve construction utilizing a compressed gas as lubrican

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve control system for internal combustion engines and

Internal-combustion engines – Valve – Rotary
Patent

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Rotary valve device for internal combustion engines

Internal-combustion engines – Valve – Rotary
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