Patents by Inventor Richard G. Franklin

Richard G. Franklin 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).

  • Retrofittable safety shut-off valve for gas or liquid meter
    Patent number: 5823223
    Abstract: A safety valve for use in a meter through which gas or liquid may flow, the safety valve being activated to a closed position upon the disturbance of the system such as during an earthquake, thereby blocking the flow of liquid or gas. The valve may then be reopened by a reset assembly.
    Type: Grant
    Filed: May 1, 1996
    Date of Patent: October 20, 1998
    Assignee: Pacific Enterprises
    Inventors: Richard G. Franklin, Robert Salazar, William Q. Osburn