Patents by Inventor Michael Boys

Michael Boys 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).

  • Saw apparatus with hydraulic tensioning
    Patent number: 12214519
    Abstract: A saw apparatus includes a guide bar, a chain driver, and an endless cutting chain trained about the guide bar and the chain driver. A hydraulic chain tensioning apparatus has a hydraulic actuator configured to be driven by a hydraulic power source to act against the guide bar to maintain tension in the cutting chain. A tension release valve is provided between the hydraulic power source and the hydraulic actuator. The tension release valve has a check valve, and a manual override press-button configured to maintain the check valve in an open condition while depressed. The tension release valve has a spring detent configured to maintain the manual override press-button in a depressed condition until selectively released.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: February 4, 2025
    Assignee: DEERE &COMPANY
    Inventors: Michael Boys, James Roworth
  • SAW APPARATUS WITH HYDRAULIC TENSIONING
    Publication number: 20220402160
    Abstract: A saw apparatus includes a guide bar, a chain driver, and an endless cutting chain trained about the guide bar and the chain driver. A hydraulic chain tensioning apparatus has a hydraulic actuator configured to be driven by a hydraulic power source to act against the guide bar to maintain tension in the cutting chain. A tension release valve is provided between the hydraulic power source and the hydraulic actuator. The tension release valve has a check valve, and a manual override press-button configured to maintain the check valve in an open condition while depressed. The tension release valve has a spring detent configured to maintain the manual override press-button in a depressed condition until selectively released.
    Type: Application
    Filed: June 20, 2022
    Publication date: December 22, 2022
    Inventors: Michael BOYS, James HOWORTH
  • Timber-working device and timing link for same
    Patent number: 10238045
    Abstract: A timber-working device having a first pivoting drive arm and a second pivoting drive arm, and a timing link for connecting them. The timing link includes an elongate member having a first end and a second end. A first aperture is at the first end and a second aperture at the second end. At least one of the first aperture and the second aperture is elongate along the length of the member.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: March 26, 2019
    Assignee: Waratah NZ Limited
    Inventors: Michael Boys, Justyn Peter Smythe
  • A TIMBER-WORKING DEVICE AND TIMING LINK FOR SAME
    Publication number: 20170020085
    Abstract: A timber-working device having a first pivoting drive arm and a second pivoting drive arm, and a timing link for connecting them. The timing link includes an elongate member having a first end and a second end. A first aperture is at the first end and a second aperture at the second end. At least one of the first aperture and the second aperture is elongate along the length of the member.
    Type: Application
    Filed: November 29, 2013
    Publication date: January 26, 2017
    Inventors: Michael Boys, Justyn Peter Smythe
  • Saw bar component
    Patent number: D1096871
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: October 7, 2025
    Assignee: DEERE & COMPANY
    Inventor: Michael Boys