Patents by Inventor Heinz Ventker

Heinz Ventker 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).

  • Laminated mineral fibre mat and processes for its production
    Patent number: 4447490
    Abstract: A laminated mineral fibre mat consisting of substantially randomly arranged mineral fibres which are held together by organic binders where they cross one another and which form the mat and of a lamination adhering to the mat by means of an organic adhesive, characterized in that a plane substantially free from organic binder is provided in the mat parallel to and in the vicinity of the lamination, whereby the laminated product is rendered fire resistant. The binder-free zone is created prior to lamination by removal of the binder from the mat.
    Type: Grant
    Filed: November 26, 1982
    Date of Patent: May 8, 1984
    Assignee: Rheinhold & Mahla Dammstoffe GmbH
    Inventors: Heinz Ventker, Fred Wendlinger