Patents by Inventor Heinz Stein

Heinz Stein 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).

  • Patent number: 4660777
    Abstract: Method for the manufacture of flakes from chips and apparatus for carrying out the method. The worn, in use, blade portions of a strip-steel knife are exchanged continuously or periodically with sharp strip-steel knives during the flake manufacturing operation. The feed of the strip-steel knives is preferably time-dependent and/or dependent on the energy consumption of the apparatus. Disposed longitudinally of the knife-ring are one or several magazines for supplying or/and receiving the strip-steel knives.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: April 28, 1987
    Assignee: Inter-wood Maschinen GmbH & Co. KG
    Inventors: Karl Schaefer, Heinz Stein