Patents by Inventor Frank B. Vanderhoof

Frank B. Vanderhoof 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).

  • Apparatus for and method of ultrasonically inspecting foodstuffs
    Patent number: 4384476
    Abstract: An apparatus and process for detecting the presence of extraneous materials in fluids, e.g., foodstuffs, in which the fluid is passed through a curtain of ultrasonic sound. Reflection or absorption of the ultrasonic sound by extraneous material is detected by ultrasonic sound-receiving means, and an appropriate indication of such detection is given.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: May 24, 1983
    Assignee: Metramatic Corp.
    Inventors: John O. Black, Frank B. Vanderhoof, Robert Dederer
  • Quick-change rod assembly for conveyor
    Patent number: 4089408
    Abstract: A round rod is supported at its ends by the parallel runs of two sprocket chains used in a conveyer. In order to permit easy replacement of a rod when damaged, the rod is equipped with spring biased means for holding the rod captive on the conveyer chain runs during normal use and for permitting the rod to be quickly snapped out without necessity of disassembling the conveyer chains or their protective shield.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: May 16, 1978
    Assignee: Metramatic Corp.
    Inventor: Frank B. Vanderhoof