Patents by Inventor Angelo Bertu

Angelo Bertu 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).

  • Patent number: 5157940
    Abstract: A refrigerator, freezer or the like comprises a cabinet (1), a pump (6) for producing vacuum and, in a refrigeration compartment (10) thereof, a container (17) closable in a vacuum-tight manner and able to be moved within said compartment (10), said container (17) comprising a lid (19) guided to open and close during its movement by elements (40) associated with said lid (19), which moves in guide tracks (41) provided in opposing walls (16) of said compartment (10) or in elements (42) associated with said walls (16), there being provided on said lid (19) mobile members (48) associated with pins (46, 50) acting as hinges about which, during the movement of said lid (19), said members (48) rotate under the action of a thrust exerted by pusher means (51), said movement taking (48), during their rotation about said pins (46, 50), exceed an equilibrium position beyond which the pusher means (51) act to provide independent guided movement of said lid (19).
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: October 27, 1992
    Assignee: Whirlpool International B.V.
    Inventors: Angelo Bertu, Giovanni Franzetti, Franco Germi