Patents by Inventor Wilfried Grasmann

Wilfried Grasmann 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).

  • Nozzle for spraying a medium under pressure
    Patent number: 4196858
    Abstract: A nozzle for spraying a medium under pressure has a selectable form of jet. A knife edge body is rotatably mounted in front of the outlet from the nozzle bore, and has a front knife edge which breaks the jet from the bore into a spray mist when that knife edge is rotated into the jet and a rear knife edge which spreads the jet to a fan-shape when it is rotated into the jet.
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: April 8, 1980
    Assignee: Alfred Karcher GmbH & Co.
    Inventors: Werner Schulze, Wilfried Grasmann, Helmut Gassert