4. Pipes and tubular conduits
  5. Structure

Wen F Yu

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Flat turbulator for a tube and method of making same

Pipes and tubular conduits – Structure
Reexamination Certificate

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Flat turbulator for a tube and method of making same

Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Reexamination Certificate

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Folded tube for a heat exchanger and method of making same

Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2016792

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