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Valve seats

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

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Valve spring support structure of engine

Internal-combustion engines – Valve – Having actuation springs concentric with valve stem
Reexamination Certificate

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Valve stem oil deflector

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

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Valve stem oil deflector

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

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Valve stem seal

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

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Valve stem seal

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

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Valve stem seal

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

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Valve stem seal

Internal-combustion engines – Valve – Packing
Patent

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Valve stem seal

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

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Valve stem seal assembly

Internal-combustion engines – Valve – Packing
Patent

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Valve stem seal assembly with changeable cap

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Valve stem seal assembly with integral bottom seal

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Valve stem seal assembly with locator system

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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Valve stem seal with built-in sprue

Internal-combustion engines – Valve – Packing
Reexamination Certificate

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Valve stem seal with non-rotatable retainer

Internal-combustion engines – Valve – Packing
Patent

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Valve stem seal with pads and tangs

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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Valve stem topographical optimization process

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Valve system for internal combustion engine

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Valve system for reciprocating engines

Internal-combustion engines – Valve – Valve head cooperates with manifold
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Valve timing mechanism for a rotary valve internal...

Internal-combustion engines – Valve – Rotary
Reexamination Certificate

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