Patents by Inventor Bruno Rapp

Bruno Rapp 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).

  • Free-flowing packing material of foamed plastics particles
    Patent number: 4269895
    Abstract: The invention provides foamed plastics particles having a star-like shape the three legs of which are on the same plane. The ratio of particle thickness to particle height is from 1:2.75 to 1:3.3, that of leg width to particle height is from 1:2.2 to 1:2.5, and the particle height is from 10 to 60 mm. The particles of the invention are suitable as free-flowing packing material having a good flow and simultaneously a good interlocking capacity.
    Type: Grant
    Filed: November 6, 1979
    Date of Patent: May 26, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Borchert, Walter Albert, Gunter Kohaut, Ulrich Schulte, Bruno Rapp