Patents by Inventor Erich Kraffert

Erich Kraffert 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).

  • Moulding food products
    Patent number: 4260640
    Abstract: A method and apparatus for forming slabs and shaped bars of food material such as fish or meat. The material is extruded at a very high pressure while deep frozen and via an extrusion nozzle which is shaped to build up back pressure to improve uniformity of extrusion.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: April 7, 1981
    Assignee: Lever Brothers Company
    Inventors: Karl Hartmann, Klaus Bartels, Erich Kraffert