Patents by Inventor Helmuth Duschanek

Helmuth Duschanek 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).

  • Patent number: 5453249
    Abstract: In the production of a flowable reaction mixture of at least two flowable, also not readily miscible, reaction components which react completely with each other to form solid substance or foam material, a rapid abatement of the mixture flow is achieved with a compact type of construction after causing throttling at the discharge of the mixing chamber.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: September 26, 1995
    Assignee: Maschinenfabrik Hennecke GmbH
    Inventors: Ferdinand Proksa, Hans-Michael Sulzbach, Helmuth Duschanek, Althausen, Jurgen Wirth, Reiner Raffel