Patents by Inventor Roberto Cotena

Roberto Cotena 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).

  • Acoustic warning device, particularly for motor vehicles
    Patent number: 5760679
    Abstract: The acoustic warning device comprises a casing (1) in which at least one iliently deformable diaphragm (10, 11) is mounted. In the casing (1) there is also mounted, in a fixed position, at least one excitation winding (19, 20). A movable ferromagnetic member (8, 9), subjected in use to the magnetic field generated by the winding (19, 20) is connected to the diaphragm (10, 11). The movable ferromagnetic member (8, 9) includes a substantially bell-shaped axial end portion (8a, 9a) disposed around the winding (19, 20).
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: June 2, 1998
    Assignee: Fabrica Italiana Accumulatori Motocarri Montecchio--F.I.A.M.M. SPA
    Inventor: Roberto Cotena