Patents by Inventor Udo Lobert

Udo Lobert 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).

  • Structural panel of gypsum with textile casing and method for producing same
    Patent number: 4394411
    Abstract: Structural panel of gypsum and an envelope, partly impressed therein, of a bonded mineral and/or fiberglass fabric which has on the inside facing the gypsum larger pores than on the outside, the fabric containing at least two kinds of fibers which are cemented together by a bonding agent, where the fibers with the larger diameter are arranged on the inside and the bonding agent contains 30 to 85 percent by weight aluminum, iron and/or silicon hydroxide.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: July 19, 1983
    Assignee: Firma Carl Freudenberg
    Inventors: Manfred Krull, Udo Lobert, Dieter Stamm, Klaus Veeser