Patents by Inventor Michael Chad Johnson

Michael Chad Johnson 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).

  • Interlocking control handle
    Patent number: 7100888
    Abstract: An interlocking control valve which can be used to control the flow of fluids such as water and gas. The control valve features a push button on the end of a handle which permits the interlocking valve to engage the valve stem when the push button is pressed. A fixed washer is provided with a hole-and-groove cutout, thereby preventing rotation of the handle with respect to the washer unless the push button is pressed.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: September 5, 2006
    Inventor: Michael Chad Johnson