Patents by Inventor Zuozhang Li

Zuozhang Li 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).

  • Secondary positioning device for workpiece machining
    Patent number: 8458871
    Abstract: A large machining apparatus for working a substantially planar workpiece such as a metal plate in relation to which a set of work actions, such as machining grooves and holes, is required at one of a number of work zones on or in the workpiece, the apparatus including: a working assembly such as a drop down drill movably mounted on a beam for reciprocal linear movement along a first horizontal axis extending parallel to the longitudinal axis of the workpiece; and an assembly rail movably mounted on the beam at right angles to the beam to carry the working assembly.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: June 11, 2013
    Assignee: HG-Farley Laserlab Co. Pty Ltd
    Inventors: Damiano A. Messina, Zuozhang Li, Quan Wang, Mark Riddell
  • Secondary positioning device for workpiece machining
    Publication number: 20100031487
    Abstract: A large machining apparatus for working a substantially planar workpiece such as a metal plate in relation to which a set of work actions, such as machining grooves and holes, is required at one of a number of work zones on or in the workpiece, the apparatus including: a working assembly such as a drop down drill movably mounted on a beam for reciprocal linear movement along a first horizontal axis extending parallel to the longitudinal axis of the workpiece; and an assembly rail movably mounted on the beam at right angles to the beam to carry the working assembly.
    Type: Application
    Filed: June 22, 2009
    Publication date: February 11, 2010
    Applicant: HG - Farley Laserlab Co. Pty Ltd
    Inventors: Damiano A. Messina, Zuozhang Li, Quan Wang, Mark Riddell