Patents by Inventor William G. Lang

William G. Lang 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).

  • Save-a-pump
    Patent number: 4505138
    Abstract: A trap for use in a top loading fabric washing machine for preventing articles of clothing from entering the drain pump. The trap is located within the entrance to the hose connection between the tub and the pump. The trap can be viewed and cleared from outside the machine, and comprises a screen made up of cross members of curved cross section widely spaced to minimize accumulation of lint and dirt.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: March 19, 1985
    Inventor: William G. Lang