4. Internal-combustion engines
  5. Valve
  6. Reciprocating valve

Yushu Wang

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Engine valve assembly

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Light weight hollow valve assembly

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Powder metal valve guide

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Reexamination Certificate

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Powder metal valve seat insert

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Reexamination Certificate

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Powdered metal valve seat insert

Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1242410

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