Patents by Inventor Werner Lueddecke

Werner Lueddecke 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).

  • Sprinkler nozzle
    Patent number: 5762144
    Abstract: The invention relates to a sprinkler nozzle for installation in commercial buildings to extinguish fires. The invention provides a cast one-piece design and dispersion of liquid over a larger area than prior art nozzles. In addition, the nozzle can be connected to multiple sources of liquid, such as water and foam, so that multiple agents can be mixed while the nozzle is operating.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: June 9, 1998
    Inventor: Werner Lueddecke