Patents by Inventor Frank Ullsperger

Frank Ullsperger 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 producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry
    Patent number: 6402359
    Abstract: A porous paste, especially a plaster paste or slurry for producing sandwich-type plasterboard, is made in a disk-shaped mixer having a rotor rotatable in a mixing chamber by introducing compressed air or other pressurizable gas through a wall or bottom segment directly into the chamber so that the incoming pressurized gas meets the mixture with a shearing action along the wall or bottom.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: June 11, 2002
    Assignee: Babcock-BSH GmbH
    Inventors: Friedrich Bahner, Kurt Braun, Helmut Eidam, Horst Hose, Karl Maurer, Frank Ullsperger
  • Method of producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry
    Patent number: 6376558
    Abstract: A porous paste, especially a plaster paste or slurry for producing sandwich-type plasterboard, is made in a disk-shaped mixer having a rotor rotatable in a mixing chamber by introducing compressed air or other pressurizable gas through a wall or bottom segment directly into the chamber so that the incoming pressurized gas meets the mixture with a shearing action along the wall or bottom.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: April 23, 2002
    Assignee: Babcock-BSH GmbH
    Inventors: Friedrich Bahner, Kurt Braun, Helmut Eidam, Horst Hose, Karl Maurer, Frank Ullsperger
  • Method of producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry
    Publication number: 20010015935
    Abstract: A porous paste, especially a plaster paste or slurry for producing sandwich-type plasterboard, is made in a disk-shaped mixer having a rotor rotatable in a mixing chamber by introducing compressed air or other pressurizable gas through a wall or bottom segment directly into the chamber so that the incoming pressurized gas meets the mixture with a shearing action along the wall or bottom.
    Type: Application
    Filed: March 30, 2001
    Publication date: August 23, 2001
    Applicant: BABCOCK-BSH GmbH
    Inventors: Friedrich Bahner, Kurt Braun, Helmut Eidam, Horst Hose, Karl Maurer, Frank Ullsperger