Patents by Inventor William F. Whitehead, Jr.

William F. Whitehead, 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).

  • Automatic hatchery tray dumper
    Patent number: 4417839
    Abstract: An apparatus for automatically dumping a hatchery tray is disclosed. The apparatus comprises: a lifting platform suitably fitted with a tray sensing limit switch to control a double acting air cylinder which lifts the hatchery tray on the platform up and through a 100.degree. arc past vertical onto the open top of a hopper which receives the waste from the tray. Initial spring loaded starting and stopping devices are included as well as kick-off-arms to remove the hatchery tray from the hopper after dumping.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: November 29, 1983
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: William F. Whitehead, Jr., James A. Dickens, Benjamin C. Haynes, Jr.