Patents by Inventor John E. McCallum

John E. McCallum 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).

  • Publication number: 20260250921
    Abstract: A power tool includes a housing including a motor, a work element extending from the housing and operably coupled to the motor, a handle extending from the housing having a first presence sensor, a second presence sensor, and a controller operably coupled to the first presence sensor, the second presence sensor, and the motor. The first presence sensor and the second presence sensor are configured to detect an engaged state in which an operator engages the first presence sensor and the second presence sensor and a disengaged state in which the operator disengages one or both of the first presence sensor and the second presence sensor.
    Type: Application
    Filed: February 13, 2026
    Publication date: August 27, 2026
    Inventors: Jeffrey F. Wilson, Robert T. Givens, Grzegorz Kondro, Jonathan R. Feldkamp, John E. McCallum, Keegen R. Mould, Scott W. Reed, Ashley Bryan Amick, JR.
  • Publication number: 20220243412
    Abstract: A snow thrower, as provided herein, may include a body frame, a handle, a collar, and a chute. The body frame may define a body inlet and a body outlet. The handle may be attached to the body frame. The chute may be attached to the body frame to direct snow therefrom.
    Type: Application
    Filed: May 19, 2020
    Publication date: August 4, 2022
    Inventors: William J. O'Brien, Gregory S. Torrisi, Seth H. Chapman, John E. McCallum
  • Patent number: D342875
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: January 4, 1994
    Assignee: Textron Inc.
    Inventors: Jeffery S. Franke, John E. McCallum, Claudia A. Isaacs, Kenneth E. Mason