Patents by Inventor Wilfried Macke

Wilfried Macke 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).

  • Fibrous perfume carrier for artificial flowers and a process for its manufacture
    Patent number: 4708900
    Abstract: To provide the perfume carrier of an artificial flower both with a high absorption capacity and with high mechanical stability, a random-fiber fleece of rayon staple fibers is mechanically stabilized by needle punching and then compressed in a press of which all the forming surfaces are heated.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: November 24, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hans-Peter Siegers, Wilfried Macke