Patents by Inventor Wolfgang Annowsky

Wolfgang Annowsky 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).

  • Dirt trap for flush basins
    Patent number: 4574400
    Abstract: A dirt trap for flush basins such as urinals include a perforated base plate and a central projection which receives a basket. The basket includes upwardly extending arms joined together at a location spaced upwardly from the base plate by a connecting ring, the distal ends of the arms being bent inwardly and downwardly toward the central axis of the basket. A weight is provided in the base plate to maintain the position of the dirt trap during flushing.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: March 11, 1986
    Inventor: Wolfgang Annowsky