Patents by Inventor Helmut Pampel

Helmut Pampel 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).

  • Process for the production of shaped components of wood material, especially boards, bound with a hydraulic binder, preferably cement
    Patent number: 4060580
    Abstract: A process for the production of shaped articles from wood particles, especially chipboards, wherein the basic cellulosic material comprised of wooden articles is admixed with at least one mineralizing agent, water, and a hydraulic binder such as cement, the mixture is shaped and then pressed at a constant temperature above the freezing point; the process being characterized in that the water required for activating the hydraulic binder is added and admixed with the basic cellulosic material before the addition of the mineralizing agent and the hydraulic binder.
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: November 29, 1977
    Assignee: Bison-werke Bahre & Greten GmbH & Co. KG
    Inventor: Helmut Pampel