Patents by Inventor José Maria Badia Ba

José Maria Badia Ba 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).

  • Hydraulic cylinder for telescopic arms
    Patent number: 6536325
    Abstract: Hydraulic cylinder for telescopic arms, especially crane arms, consisting of a sleeve (1) closed by means of end covers (2) and (3); an internal piston (4) delimiting expansion (5) and retraction (6) chambers, a tubular shank (16) associated to the piston which protrudes through the cover (3) and which is closed by a head (17) which is provided with a pilot piston (21). Inside the tubular shank (16) runs a tube (18) which may be partially moved by the action of the piston (21). The inlet mouth of the cover (2) has a conduit (11) with a bushing (14), which moves when pushed by the tube (18). The conduit (11) and the tube (18) have orifices (13′) in their wall.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: March 25, 2003
    Assignee: Partek Cargotec, S.A.
    Inventor: José Maria Badia Ba