Patents by Inventor Waigan W. Liu

Waigan W. Liu 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).

  • Turbo housing element
    Patent number: 10989076
    Abstract: A turbo housing manifold includes a base plate defining a first opening and a housing conduit portion connected with the base plate and defining a second opening distal from the first opening. The housing conduit can include a first extending portion proximate to the base plate and extending axially away from the base plate, and a second extending portion connected with the first extending portion and distal from the base plate wherein an inner surface of the second extending portion transitions as the second extending portion extends away from the base plate.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: April 27, 2021
    Assignee: Pridgeon & Clay, Inc.
    Inventors: Daniel J. Bostwick, Waigan W. Liu, Pete R. Wojtas
  • TURBO HOUSING ELEMENT
    Publication number: 20190249573
    Abstract: A turbo housing manifold includes a base plate defining a first opening and a housing conduit portion connected with the base plate and defining a second opening distal from the first opening. The housing conduit can include a first extending portion proximate to the base plate and extending axially away from the base plate, and a second extending portion connected with the first extending portion and distal from the base plate wherein an inner surface of the second extending portion transitions as the second extending portion extends away from the base plate.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 15, 2019
    Applicant: Pridgeon & Clay, Inc.
    Inventors: Daniel J. Bostwick, Waigan W. Liu, Pete R. Wojtas