Patents by Inventor Willie R Weston

Willie R Weston 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).

  • Apparatus for evacuating sewer gas from a sewer system
    Patent number: 6168514
    Abstract: An apparatus for evacuating sewer gas from a city sewer system comprises a frame that can be inserted into a manhole and supported by the surface surrounding the manhole, a gasoline engine carried by the frame, and a fan turned by the engine shaft so that it draws air upwards from the sewer through ventholes formed in the frame.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: January 2, 2001
    Inventor: Willie R Weston