Patents by Inventor Carlo Giovanoli

Carlo Giovanoli 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: 5853114
    Abstract: A liquid container (1) which serves to hold liquid and which can be emptied has a ventilation device (5) which can be installed in the filling and emptying opening (4). The ventilation device (5) has line portions (9, 10) of an air line which are angled in the outlet region of the filling and emptying opening (4). One line portion (9) communicates with the surrounding air and the other line portion (10) extends into the container region or hollow space (11) of the liquid container located farther away from the filling and emptying opening (4) and is formed at its end by a shut-off valve (14) which can be acted upon by liquid.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: December 29, 1998
    Inventor: Carlo Giovanoli