Patents by Inventor Stephen De Caen

Stephen De Caen 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).

  • Working Vehicle
    Publication number: 20230182574
    Abstract: A working vehicle includes an electric storage device; a traction motor configured to propel the working vehicle and to generate electrical energy when braking; a hydraulic system including a hydraulic pump driven by a load motor, a hydraulic actuator and a control valve; and a control system. The control system is configured to determine a state of charge of the electric storage device; induce additional load on the hydraulic system by directing the load motor to drive the hydraulic pump and actuating the control valve to direct flow of hydraulic fluid to the hydraulic actuator when the state of charge is at or above a predetermined threshold.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 15, 2023
    Applicant: J.C BAMFORD EXCAVATORS LIMITED
    Inventors: Stephen De Caen, Jonathan Christopher Boustred
  • Basket panel label
    Patent number: D1007588
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: December 12, 2023
    Assignee: JCB ACCESS LIMITED
    Inventors: Jonathan Boustred, Stephen de CAEN
  • Base panel label
    Patent number: D1024192
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 23, 2024
    Assignee: JCB ACCESS LIMITED
    Inventors: Jonathan Boustred, Stephen de Caen