Patents by Inventor Willie Smith

Willie Smith 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: 6405385
    Abstract: A plunger device for unclogging a toilet drain includes a housing which is elongated and has a open first end and an open second end. A peripheral wall extends between the first and second ends. The first and second ends are generally circular. The first end has a smaller diameter than a diameter of the second end. The diameter of the second end is larger than a toilet drain. A may be used for forcing air into the housing and is removably in communication with the first end of the housing. The second end of the housing is positioned over the toilet drain such that air is moved from the pump and into the housing causing water in the toilet to be forced into the drain and unclogging the drain.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: June 18, 2002
    Inventor: Willie Smith