Patents by Inventor Jandrasi Frank J.

Jandrasi Frank J. 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).

  • Patent number: 4693452
    Abstract: Control valve for controlling the flow of material, the valve including a body with an inlet and an outlet, a disc mounted in the body for closing and opening the valve, the disc mounted on a guide which is secured to the body, the guide mounted on a support, and slots extending through the guide and support for the flow of material therethrough. The valve is particularly useful for controlling the flow of erosive and corrosive material.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: September 15, 1987
    Assignee: Triten Corporation
    Inventor: Jandrasi Frank J.