Patents by Inventor Curtiss B. Allen

Curtiss B. Allen 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).

  • Fork lift truck tote box dumper
    Patent number: 4036383
    Abstract: A flat structural steel frame impalable on the two pronged fork of a fork lift truck and thereafter insertable by the manipulation of said truck within horizontal openings provided in the bottom of a tote box whereby said box may be lifted by said truck, an advanced portion of said frame on which said box rests being rockably mounted on the balance of said frame and being power rotatable forwardly, to invert the box to dump the contents therefrom, and then reversely to restore the box to its upright position.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: July 19, 1977
    Inventor: Curtiss B. Allen