Patents by Inventor Antonio Pisanu

Antonio Pisanu 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).

  • Asymmetrical anatomic arm-chair, particularly for odontological use
    Patent number: 4377308
    Abstract: The invention is directed to an automatic arm-chair including a seat, a back articulated to the seat, and a headrest articulated to the back. The seat is substantially rigid and has an asymmetrically contoured surface for supporting a patient with one side at a lowered position to the other side, and the trunk slightly rotated and turned towards the lowered side. The back is formed of a rigid curved band with curvature of very large radius at the patient's highest side, and minor radius at the patients lowered side.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: March 22, 1983
    Inventor: Antonio Pisanu
  • Spraying and suction cleansing device
    Patent number: 4340365
    Abstract: The novel cleansing device comprises a suction pipe associated at outer and preferably concentric location with an air and/or liquid spraying tube opening adjacent the suction inlet of the suction pipe. Spraying and suction may occur at the same time.The device can be made for odontological use, industrial or artisan use, or also for domestic uses.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: July 20, 1982
    Inventor: Antonio Pisanu