Patents by Inventor Giulio Mazzini

Giulio Mazzini 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).

  • Manual and motor actuated railway car door
    Patent number: 4290368
    Abstract: A sliding door for railroad cars which may be manually operable but is also provided with a pneumatic device and a pneumatic control circuit operably connected to the door for closing the door by power operation, which pneumatic device, after effecting power closing of the door, is automatically vented of all pneumatic pressure and operably disconnected from the door so as not to offer any resistance during manual operation, and, in particular, during an opening phase of the door by manual operation subsequently to a pneumatic closing phase of the same door.
    Type: Grant
    Filed: March 16, 1978
    Date of Patent: September 22, 1981
    Assignee: WABCO Westinghouse
    Inventor: Giulio Mazzini