Patents by Inventor Pan Zengyuan

Pan Zengyuan 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).

  • Cast forging process for aluminum wheels
    Publication number: 20050262693
    Abstract: A cast forging method of manufacturing a disc for a wheel. The method may include the steps of producing a cast disc by low pressure casting, heating the cast disc to its material plasticity temperature, and placing the heated cast disc into a forging mold to forge the disc under high pressure. The method may further include the steps of inspecting the forged disc for defects, and machining the forged disc to the required end-product specifications.
    Type: Application
    Filed: May 4, 2005
    Publication date: December 1, 2005
    Inventors: Zhang Xinying, Pan Zengyuan