Patents by Inventor Wanlie P. Hseu

Wanlie P. Hseu 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).

  • Patent number: 5119556
    Abstract: A tool for removing a faucet stem and cartridge from a faucet body; the stem of the type having a threaded outer end; the cartridge of the type having a central bore retaining the stem; the bore including an inward facing ledge. A cylindrical standoff sleeve has an inner end for bearing against the faucet body. A rod passes through the standoff sleeve. The rod has, on its very inner end, threads for engaging the stem threads and, above that, a device for engaging a cartridge inward facing ledge. Rod outer end includes a threaded section. A rotatable handle threads on the rod outer end and bears against the standoff sleeve outer end such that rotation of the handle moves the rod axially relative to the standoff sleeve for extracting the stem and cartridge after engagement.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: June 9, 1992
    Inventor: Wanlie P. Hseu