Patents by Inventor ChangLing Wu

ChangLing Wu 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).

  • WHEEL ASSEMBLY
    Publication number: 20100133769
    Abstract: A wheel assembly having a connecting jacket for attachment to a body and a wheel having an axle attached to a connecting pin is disclosed. The connecting jacket selectively receives the connecting pin for easy assembly and disassembly of a wheel on a body. A connecting pin having a U-shaped spring enclosed in a rectangular housing is disclosed. A cart having such a wheel assembly is disclosed. A method for removably attaching a wheel using the disclosed wheel assembly is also disclosed.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 3, 2010
    Applicant: The Faucet Queens, Inc.
    Inventor: ChangLing Wu