Patents by Inventor Ferenc Rosemann

Ferenc Rosemann 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).

  • Air-jet mill and associated pregrinding apparatus for comminuating solid materials
    Patent number: 4807815
    Abstract: An air-jet mill provided with pregrinding chambers and inner sizer suitable for fine grinding (below 10 .mu.), for cryogenic grinding and also for surface treatment during grinding of hard, elastic and/or thermoplastic materials.During operation there are no moving components to be exposed to heavy wear, and an inner sizer, forming an integral part of the grinding space, uses the energy left after grinding in the system to enable a sharp sizing or separation of fine fractions.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: February 28, 1989
    Assignee: Magyar Aluminiumipari Troszt
    Inventors: Zsolt Csillag, Geza Szentgyorgyi, Karoly Solymar, Tibbr Kalman, Pal Toth, Ferenc Rosemann, Janos Steiner, Janos Morzal, Laszlo Zsemberi, Bela Lajtai, Tibor Legat, Ferenc Sitkei, Ferenc Vallo, Balint Szabo, Gabor Molnar, Sandor Czafit