Patents by Inventor Kurt Kirsch

Kurt Kirsch 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).

  • Building material elements, particularly building boards, and a process for their production
    Patent number: 4201833
    Abstract: An incombustible building element with good thermal insulation properties produced by spraying granules of vermiculite with an organic binder, prepressing the coated granules into a biscuit and heating and pressing the biscuit in a press to transform it into a building material element.
    Type: Grant
    Filed: March 22, 1978
    Date of Patent: May 6, 1980
    Assignee: Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
    Inventors: Kurt Kirsch, Volkmar Hilzensauer, Gunther Pflug, Felix Wehrmann, Gerald Maresch
  • Process for the production of building material elements, particularly building boards
    Patent number: 4093488
    Abstract: A process for the production of a building material element comprising spraying granules of vermiculite with an organic binder, prepressing the coated granules into a biscuit and heating and pressing the biscuit in a press to transform it into a building material element.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: June 6, 1978
    Assignee: Isovolta Osterreichische Isolierstoffwerk Aktiengesellschaft
    Inventors: Kurt Kirsch, Volkmar Hilzensauer, Gunther Pflug, Felix Wehrmann, Gerald Maresch