Patents by Inventor Vincent Dubroca

Vincent Dubroca 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).

  • Method for operating an industrial truck and industrial truck provided for it
    Patent number: 5816366
    Abstract: In a method for operating an industrial truck, a load-lifting member (1) is moved up and down vertically on a lift mast (2). A discrete control signal is provided to control the vertical speed of the load-lifting member (1) by at least one single or multistage switch. In switching on and then holding the switch (13) in the on position, the load-lifting member (1) is first accelerated from zero to a first vertical speed value (V.sub.1) and after the passage of a period of time T.sub.1, it is accelerated to a second higher vertical speed value (V.sub.2).
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: October 6, 1998
    Assignee: Linde Aktiengesellschaft
    Inventors: Yves Briday, Vincent Dubroca