Patents by Inventor Gert Wilhelm Söderström

Gert Wilhelm Söderström 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).

  • FLOOR DRAIN
    Publication number: 20100089838
    Abstract: Floor drain with water trap including an upper screen (19) or lip and a lower screen or threshold (32) extending to a higher level (29) than the lower edge of the upper screen, and that the water first flow below the upper screen and thereafter over the lower screen. The inlet part before the upper screen has a small cross-section or volume in relation to the water volume between the upper and the lower screen securing an efficient flushing away of light pollutions.
    Type: Application
    Filed: March 3, 2008
    Publication date: April 15, 2010
    Inventor: Gert Wilhelm Söderström