Patents by Inventor Klaus Bauermeister

Klaus Bauermeister 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).

  • Thermally insulated tube
    Patent number: 4351365
    Abstract: A tube system, which includes an inner and a concentric outer tube, is provided with a spacer made by cutting oblique notches into a polyurethane foam layer on a paper ribbon and by helically wrapping the ribbon onto the inner tube, the oblique and tapered foam elements pointing inwardly or outwardly, but the notches are aligned to form axial ducts. After forming the outer tube about the spacer, these ducts are filled with material that foams in situ.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: September 28, 1982
    Assignee: Kabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft
    Inventors: Klaus Bauermeister, Gerhard Ziemek, Bernd Eilhardt