Patents by Inventor Jack Kuang-Huei Wang

Jack Kuang-Huei Wang 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).

  • Cleaning device
    Patent number: 6804853
    Abstract: A cleaning device includes a first cleaning member attached to a lower end of an elongated rod, and a second cleaning member mounted slidably on the first cleaning member. The second cleaning member is slidable in a transverse direction relative to the rod between an extended position, in which the second cleaning member is moved away from a free end of the first cleaning member, and a retracted position, in which the second cleaning member is moved toward the free end of the first cleaning member.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: October 19, 2004
    Inventor: Jack Kuang-Huei Wang
  • Cleaning device
    Publication number: 20040163194
    Abstract: A cleaning device includes a first cleaning member attached to a lower end of an elongated rod, and a second cleaning member mounted slidably on the first cleaning member. The second cleaning member is slidable in a transverse direction relative to the rod between an extended position, in which the second cleaning member is moved away from a free end of the first cleaning member, and a retracted position, in which the second cleaning member is moved toward the free end of the first cleaning member.
    Type: Application
    Filed: February 21, 2003
    Publication date: August 26, 2004
    Inventor: Jack Kuang-Huei Wang