Patents by Inventor Heinrich Blackert

Heinrich Blackert 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).

  • Method of and apparatus for producing gypsum fiber boards (plasterboard)
    Patent number: 4734163
    Abstract: A method of and apparatus for producing gypsum fiber boards includes introducing shaped boards provided of a mash of calcium sulphate dihydrate and fibrous material and possibly additives after dewatering and shaping the mash into at least one pressure vessel and to heat the boards at saturated steam atmosphere to 120.degree.-160.degree. C. over a predetermined period. Thereafter, the boards are allowed to cool down within the pressure vessel to a temperature of about 100.degree. or less before being discharged therefrom.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: March 29, 1988
    Assignee: Babcock BSH Aktiengesellschaft
    Inventors: Kurt Eberhardt, Heinrich Blackert, Gerald Forbert, Josef Steinkuhl, Horst Hose, Friedrich Bahner