Patents by Inventor Winand Hahn

Winand Hahn 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).

  • Process and an apparatus for the distribution of fluids
    Patent number: 4688590
    Abstract: A fluid which flows through a distributing pipe and is distributed into several outlets branching from the distributing pipe may be displaced more rapidly by another fluid, for example when changing the color of spinning solutions, if the entire layer of fluid adjacent to the wall and located upstream of a chosen outlet is caused to flow out through this outlet.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: August 25, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Anderheggen, Winand Hahn, Roland Vogelsgesang, Wolfram Wagner