Patents by Inventor John C. Ivory

John C. Ivory 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).

  • Impact tester having a safety return arm
    Patent number: 9377386
    Abstract: An impact tester includes a pendulum rotatable about a first axis from a latched position to an impact position. The pendulum is configured to impact a test specimen in the impact position. A safety return arm is rotatable about a second axis generally parallel to the first axis. The safety return arm is configured to lift the pendulum to the latched position, allow the pendulum to swing from the latched position toward the impact position, and selectively stop the pendulum between the latched position and the impact position.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: June 28, 2016
    Assignee: TINIUS OLSEN TESTING MACHINE COMPANY
    Inventors: Earl A. Ruth, John C. Ivory
  • Impact Tester
    Publication number: 20150052972
    Abstract: An impact tester includes a pendulum rotatable about a first axis from a latched position to an impact position. The pendulum is configured to impact a test specimen in the impact position. A safety return arm is rotatable about a second axis generally parallel to the first axis. The safety return arm is configured to lift the pendulum to the latched position, allow the pendulum to swing from the latched position toward the impact position, and selectively stop the pendulum between the latched position and the impact position.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Applicant: TINIUS OLSEN TESTING MACHINE COMPANY
    Inventors: Earl A. Ruth, John C. Ivory