Patents by Inventor Geoffrey Duddridge

Geoffrey Duddridge 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).

  • Marine vessel control system for controlling movement of a marine vessel having four propulsion units
    Patent number: 10906623
    Abstract: A marine vessel control system comprises an outer port engine which has an actuator for imparting steering motion to the outer port engine and an outer starboard engine which has an actuator for imparting steering motion to the outer starboard engine. There is an inner port engine and a tie bar coupling the inner port engine to the outer port engine. There is an inner starboard engine and a tie bar coupling the inner starboard engine to the outer starboard engine. There is an input device for inputting user steering commands to the marine vessel control system in which movement of the input device actuates the said actuators to impart steering motion to the said engines.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: February 2, 2021
    Assignee: Marine Canada Acquisition Inc.
    Inventors: Anson Chin Pang Chan, Geoffrey Duddridge
  • MARINE VESSEL CONTROL SYSTEM FOR CONTROLLING MOVEMENT OF A MARINE VESSEL HAVING FOUR PROPULSION UNITS
    Publication number: 20170050715
    Abstract: A marine vessel control system comprises an outer port engine which has an actuator for imparting steering motion to the outer port engine and an outer starboard engine which has an actuator for imparting steering motion to the outer starboard engine. There is an inner port engine and a tie bar coupling the inner port engine to the outer port engine. There is an inner starboard engine and a tie bar coupling the inner starboard engine to the outer starboard engine. There is an input device for inputting user steering commands to the marine vessel control system in which movement of the input device actuates the said actuators to impart steering motion to the said engines.
    Type: Application
    Filed: February 13, 2015
    Publication date: February 23, 2017
    Inventors: Anson Chin Pang Chan, Geoffrey Duddridge