Patents by Inventor SHING LANG CHENG

SHING LANG CHENG 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).

  • DOWN-LIKE FIBER
    Publication number: 20180030619
    Abstract: The invention provides a down-like fiber which comprises a hollow stem and a plurality of shaped lobes arranged radially around the stem wherein each shaped lobe has a bottom end and a head end opposite the bottom end. The bottom end attaches to the surface of the hollow stem and two adjacent head ends do not connect to one another to form an opening. The present invention also provides a spinneret and a method for manufacturing the above fiber.
    Type: Application
    Filed: March 8, 2017
    Publication date: February 1, 2018
    Inventors: SHING LANG CHENG, KUO CHUNG WU