Patents by Inventor Bernd Steinwender

Bernd Steinwender 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).

  • Method of using a foamable hot-melt adhesive for sealing
    Patent number: 4555284
    Abstract: Foamable hot-melt adhesives comprised of a per se known hot-melt adhesive having a foaming additive therein, for example an organic azo compound. These adhesives can function in a purely physical foaming manner but can also function as crosslinking material, i.e. as solidifying and bonding materials. The foamable hot-melt adhesives of the invention can be used, for example, in sealing cable ends, for filling any desired aperture in the construction field, for sealing windows, doors, etc. or for sealing articles of manufacture.
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: November 26, 1985
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ferdinand Quella, Bernd Steinwender