Patents by Inventor DAVID THOMAS SHANNON

DAVID THOMAS SHANNON 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).

  • Hydraulic helm pump with integrated electric pump
    Patent number: 11084516
    Abstract: A steering assembly for a hydraulic steering system is disclosed. The steering assembly includes a steering input device and an auxiliary drive assembly. The auxiliary drive assembly includes a lock valve body with one or more fluid passages that facilitates regulation of a fluid flow in response to an input from the steering input device. The lock valve body has a surface and a guide bore. Further, an electric pump is included that has an electric motor with a drive train unit. The electric pump is adapted to be mounted to the surface and the drive train unit is adapted to be positioned through the guide bore and operably coupled to the one or more fluid passages to regulate the fluid flow in the one or more fluid passages.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: August 10, 2021
    Inventor: David Thomas Shannon
  • HYDRAULIC HELM PUMP WITH INTEGRATED ELECTRIC PUMP
    Publication number: 20200180745
    Abstract: A steering assembly for a hydraulic steering system is disclosed. The steering assembly includes a steering input device and an auxiliary drive assembly. The auxiliary drive assembly includes a lock valve body with one or more fluid passages that facilitates regulation of a fluid flow in response to an input from the steering input device. The lock valve body has a surface and a guide bore. Further, an electric pump is included that has an electric motor with a drive train unit. The electric pump is adapted to be mounted to the surface and the drive train unit is adapted to be positioned through the guide bore and operably coupled to the one or more fluid passages to regulate the fluid flow in the one or more fluid passages.
    Type: Application
    Filed: September 22, 2016
    Publication date: June 11, 2020
    Applicant: CANADA METAL (PACIFIC) LTD.
    Inventor: DAVID THOMAS SHANNON