Patents by Inventor Keith Dodgson

Keith Dodgson 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).

  • ROOF SUPPORT INCLUDING EXTENDABLE LINKS
    Publication number: 20230243260
    Abstract: A system for controlling a roof support, including a canopy for engaging a mine surface, includes a sensor configured to generate a signal indicative of a position of an end of the canopy, and a controller. The controller is configured to receive the signal and determine whether a portion of a mining machine will contact a portion of the canopy based on the signal.
    Type: Application
    Filed: April 4, 2023
    Publication date: August 3, 2023
    Inventors: Keith Dodgson, Mark Brocklehurst
  • Roof support including extendable links
    Patent number: 11655711
    Abstract: A roof support includes a base, a canopy for engaging a mine surface, a shield coupled to the canopy, and a link coupled between the base and the shield. The canopy is supported relative to the base and includes an end configured to be spaced apart from a mine face by a distance. The link is movable between a first position and a second position, and movement of the link between the first position and the second position causing the distance to change.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: May 23, 2023
    Assignee: JOY GLOBAL UNDERGROUND MINING LLC
    Inventors: Keith Dodgson, Mark Brocklehurst
  • ROOF SUPPORT INCLUDING EXTENDABLE LINKS
    Publication number: 20200095863
    Abstract: A roof support includes a base, a canopy for engaging a mine surface, a shield coupled to the canopy, and a link coupled between the base and the shield. The canopy is supported relative to the base and includes an end configured to be spaced apart from a mine face by a distance. The link is movable between a first position and a second position, and movement of the link between the first position and the second position causing the distance to change.
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Inventors: Keith Dodgson, Mark Brocklehurst