Patents by Inventor Helmut Preuss

Helmut Preuss 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).

  • Apparatus for the production of molded bodies from filter cakes
    Patent number: 4283285
    Abstract: An apparatus for producing agglomerates from a rotary filter such as a rotating filter drum, which includes a perforated filter member on the filter, a slotted member disposed on the filter member and a sludge or slurry storage means disposed above the slotted member, the storage means discharging solid particles of the sludge into the slotted member essentially in the direction of solid sedimentation.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: August 11, 1981
    Assignee: Klockner-Humboldt-Deutz AG
    Inventors: Peter Paschen, Chatty Rao, Helmut Preuss
  • Method and apparatus for the manufacture of mold bodies, particularly pellets from secondary slurries of the metallurgical industry
    Patent number: 4244905
    Abstract: Method and apparatus for the manufacture of molded bodies from sludges in which a plurality of sludges having different average particle sizes are subjected sequentially to filtration and dehydration in a mold to build up the molded body.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: January 13, 1981
    Assignee: Klockner-Humboldt-Deutz AG
    Inventors: Peter Paschen, Rao, Chatty, Helmut Preuss, Werner Wenzel, Heinrich-Wilhelm Gudenau, Reinhold Schonberger