4. Electric heating
  5. Metal heating
  6. By arc

Sundaram L. Narasimhan

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Composite lightweight engine poppet valve

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Hardsurfacing material for engine components and method for depo

Electric heating – Metal heating – By arc
Patent

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High temperature corrosion and oxidation resistant valve...

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

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Lightweight engine poppet valve

Internal-combustion engines – Valve – Reciprocating valve
Reexamination Certificate

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Method of making a trivalent chromium plated engine valve

Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Treating electrolytic or nonelectrolytic coating after it is...
Patent

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Profile ID: LFUS-PAI-P-301583

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