Patents by Inventor Marc B. Hewing

Marc B. Hewing 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).

  • Water pump with twin return ports
    Patent number: 11060441
    Abstract: A water pump housing includes a top horizontal pad defining a top horizontal pad normal axis pointing vertically, and a first return port and a second return port extending down vertically from the top horizontal pad.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 13, 2021
    Assignee: Perkins Engines Company Limited
    Inventors: Marc B. Hewing, Jonathan Lee Gumbrell
  • WATER PUMP WITH TWIN RETURN PORTS
    Publication number: 20200318528
    Abstract: A water pump housing includes a top horizontal pad defining a top horizontal pad normal axis pointing vertically, and a first return port and a second return port extending down vertically from the top horizontal pad.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 8, 2020
    Applicant: Perkins Engines Company Limited
    Inventors: Marc B. Hewing, Jonathan Lee Gumbrell