Patents by Inventor Wu Sheng Hua

Wu Sheng Hua 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).

  • Service jack with locking mechanism
    Publication number: 20110024705
    Abstract: A service jack is provided that includes a base and a pump handle configured to pivot therewith. A lifting arm is in communication with the pump handle and can move with respect to the base. A locking mechanism is configured for limiting movement of the lifting arm with respect to the base when in a locked configuration. The locking mechanism has a locking handle that may be carried by the pump handle that is capable of being actuated between the locked configuration and an unlocked configuration.
    Type: Application
    Filed: February 10, 2010
    Publication date: February 3, 2011
    Applicants: International Specialty Services, Inc., Hangzhou Harvest Machinery Manufacturing Co., Ltd.
    Inventors: Robert Fox, Wu Sheng Hua
  • Service floor jack with locking mechanism
    Patent number: D628760
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: December 7, 2010
    Assignee: International Speciality Services, Inc.
    Inventors: Robert Fox, Wu Sheng Hua