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Titanium poppet valve

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

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Torch ignition type internal combustion engine

Internal-combustion engines – Valve – Rotary
Patent

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Torch ignition type internal combustion engine

Internal-combustion engines – Valve – Rotary
Patent

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Torch ignition type internal combustion engine with a restricted

Internal-combustion engines – Valve – Rotary
Patent

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Torch-ignition internal combustion engine

Internal-combustion engines – Valve – Rotary
Patent

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Twin rotary valves for a four stroke internal combustion engine

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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Two-piece valve stem seal

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Two-piece valve stem seal

Internal-combustion engines – Valve – Packing
Patent

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Two-piece valve stem seal

Internal-combustion engines – Valve – Packing
Patent

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Two-piece valve stem seal

Internal-combustion engines – Valve – Packing
Reissue Patent

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Ultra light engine valve

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Umbrella seal for an automobile valve stem

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

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Unitary engine block having an intermittent contact intake...

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Unitary molded plastic valve seal

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

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Upside-down square-up valve stem seal

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Value guide member formed of Fe-based sintered alloy having exce

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Valve apparatus for an internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Valve apparatus for an internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Valve apparatus for an internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Valve apparatus for internal combustion engine

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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