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

William Neumann

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Engine valve and method for making the same

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Machinable and wear resistant valve seat insert alloy

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

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Poppet valve and method of making the poppet valve

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Poppet valve with embossed neck structure

Internal-combustion engines – Valve – Reciprocating valve
Patent

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Process for making exhaust valves

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent

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Profile ID: LFUS-PAI-P-416608

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