Patents by Inventor Hubert Defranco

Hubert Defranco 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).

  • Hitch gear having a load transfer system
    Patent number: 4909331
    Abstract: The hitch gear comprises a three point lift system. It comprises a system (10) for load transfer by means of a hydraulic cylinder (11) at the third point and at least adjustment wheel (13) provided with a load sensor (19) suitable to act with control means of the cylinder (11) for keeping the load at the level of the adjustment wheel (13) approximately constant. The lift system comprises at least one hydraulic cylinder (27); a control device (28) of the position of the lift system, known per se, is provided and comprises at least an attachment means (29) for a reference position and appreciable control means at the fixed position suitable for supplying the hydraulic cylinder (27).
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: March 20, 1990
    Inventor: Hubert Defranco