Patents by Inventor Wu-Shuan Wu

Wu-Shuan Wu 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).

  • Windshield wiper with slip joint for pivoting of arm assemblies
    Patent number: 5497528
    Abstract: A windshield wiper of the type including an arm holder, a blade holder, a rubber blade fixed to the blade holder, two symmetrical arm assemblies having a respective coupling portion in the middle respectively turned about a respective pivot at each end of the arm holder to hold the blade holder, wherein the coupling portion of each arm assembly has two vertical oblong holes aligned at two opposite sides and connected to one pivot of the arm holder; two friction plates are respectively turned about the pivots of the arm holder and connected between the arm holder and the arm assemblies and bridging the coupling portion of each arm assembly, each friction plate having two vertical oblong holes respectively connected one pivot of the arm holder and attached to the vertical oblong holes of the coupling portion of one arm assembly at two opposite sides, and two opposite inside flanges raised around the vertical oblong holes of the respective friction plate and fitted into the vertical oblong holes of the coupling
    Type: Grant
    Filed: July 25, 1995
    Date of Patent: March 12, 1996
    Inventor: Wu-Shuan Wu