Patents by Inventor Paul Siegert

Paul Siegert 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).

  • Patent number: 6012251
    Abstract: A fiber reinforced, pourable, soil substrate for supporting vegetation, comprising substantially undecayable, loose, individual, untwisted or carded plastic fibers in the form of filaments having lengths of from about 1 cm to about 10 cm; a slowly decomposable, difficultly decayable, organic, fibers and the balance easily decayable organic constituents and aggregates. The substrate has a thickness of from about 0.5 cm to about 30 cm.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: January 11, 2000
    Assignee: Aktual Bauteile und Umweltschutz Systeme, GmbH
    Inventor: Paul Siegert
  • Patent number: 5540763
    Abstract: A composition and process for identifying the origin or quality of loose, pourable materials by mixing the materials with one or more marking bodies which have a color, consistency or other visibly identifiable property different from the pourable materials. The marking bodies in the mixture do not impair the intended use of the pourable materials. The origin or quality of the pourable materials can be identified at a point in time distant from the forming of the mixture and even after manufacturing article with the mixture. The pourable materials can be peat, compost, humus, clay, lava, pumice-stone, sand, fertilizers, soil stabilizers, soil improving substances, recycled soil substances, soil drainage substances and soil fillers.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: July 30, 1996
    Assignee: aktual Bauteile und Umweltschutz Systeme, GmbH
    Inventor: Paul Siegert