Patents by Inventor Kenneth I. Walton

Kenneth I. Walton 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).

  • Latching handle
    Patent number: 4909275
    Abstract: A ball valve is described having a latching handle with a latch plate having raised lugs that engage the handle, a latch mechanism or both to act as detent stops in predetermined rotational positions. A flat spring rolled at one end urges the latch mechanism into the latched position and a pivoting cap secured to the handle is latched by simultaneous action of the latch mechanism to block access to a nut securing the handle assembly. Provision is made for attaching a padlock.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: March 20, 1990
    Assignee: Parker and Harper Manufacturing Company, Inc.
    Inventors: Roger G. Massey, David G. Holloway, Kenneth I. Walton