Patents by Inventor Joao Urbano Amaral

Joao Urbano Amaral 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).

  • Elevator for hot plates or grates of barbecue grills
    Patent number: 7856971
    Abstract: The object of the present patent is an elevator for hot plates or grates of barbecue grills, having gutters (1), (2) and (3) assembled in a “U” shape, the gutter (5), in its ends the plates (6) with rollers (8), the gutters (10), (11) and (12), also assembled the shape of a “U”, constituting the support for the hot plate or grate and with the mortises (13) embracing the gutter (5), which slides vertically through the grooves (4) of gutters (1) and (3), taken by the cable (18), which passes through the groove of the pivot (7) of one of the plates (6) and is fixed there by the fixers (19), being the cable mobile in a circuit between the pulleys (16) and (17), by the action of the crank (14), fixed to the axle (15), the pulley (16) and the pivot (20), after its release from the part (21), but coming back due to the work of the spring (22), when the hot plate or the grater is the desired position and, in order to keep the hot plate or the grate in a horizontal position, there are the cables (24) and (25) departin
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: December 28, 2010
    Inventor: Joao Urbano Amaral
  • Elevator For Hot Plates Or Grates Of Barbecue Grills
    Publication number: 20090044796
    Abstract: The object of the present patent is an elevator for hot plates or grates of barbecue grills, having gutters (1), (2) and (3) assembled in a “U” shape, the gutter (5), in its ends the plates (6) with rollers (8), the gutters (10), (11) and (12), also assembled the shape of a “U”, constituting the support for the hot plate or grate and with the mortises (13) embracing the gutter (5), which slides vertically through the grooves (4) of gutters (1) and (3), taken by the cable (18), which passes through the groove of the pivot (7) of one of the plates (6) and is fixed there by the fixers (19), being the cable mobile in a circuit between the pulleys (16) and (17), by the action of the crank (14), fixed to the axle (15), the pulley (16) and the pivot (20), after its release from the part (21), but coming back due to the work of the spring (22), when the hot plate or the grater is the desired position and, in order to keep the hot plate or the grate in a horizontal position, there are the cables (24) and (25) departin
    Type: Application
    Filed: November 1, 2005
    Publication date: February 19, 2009
    Inventor: Joao Urbano Amaral