Patents by Inventor Dexter Spear French, Jr.

Dexter Spear French, Jr. 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).

  • Fruit pitting machine
    Patent number: 4009650
    Abstract: A fruit pitting machine apparatus for separating unpitted fruit from pitted fruit having pitting needles which force fruit pits through a pair of springloaded jaws. As a pit is forced through the jaws a pneumatic valve actuates a pneumatic pressure switch which generates electric signals in an electrical memory. If the jaws are not actuated by a pit being forced therethrough an air ejector will eject the unpitted fruit into a separate container following a predetermined positional relay for aligning the unpitted fruit with the ejector.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: March 1, 1977
    Assignee: Dunkley Company
    Inventors: Daniel J. Lascelles, Dexter Spear French, Jr.