Patents by Inventor John Anthony Kendall

John Anthony Kendall 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).

  • Injection valve
    Patent number: 4026324
    Abstract: A valve for injecting or ejecting fluid to or from a fluid stream flowing in a pipe includes a valve body connected between abutting flanges in the pipe. The body has a through passage intersecting the pipe with seating assemblies located in each end of the through passage which cooperate with a stem assembly to provide communication between a port, the valve body and the pipe.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: May 31, 1977
    Assignee: Du Pont of Canada Limited
    Inventors: David Campbell King, John Anthony Kendall