Patents by Inventor Wen Fei Yu

Wen Fei Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5743122
    Abstract: There is disclosed herein an apparatus for manufacturing a manifold for a heat exchanger. The apparatus includes a mechanism for forming a generally planar sheet of material into a generally cylindrical member having a seam along the longitudinal length thereof. The apparatus further includes a tool for forming a plurality of tube receiving slots in the cylindrical member and a device for applying a pressure against the seam so as to flatten the seam to provide good sealing contact at the seam.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: April 28, 1998
    Inventors: Eugene E. Rhodes, Wen Fei Yu