Patents by Inventor Poul Filstrup

Poul Filstrup 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: 4163009
    Abstract: To separate animal raw material into fat and protein fractions, the material in finely divided form is circulated through a circuit which includes a heating zone where the material is continuously heated to a relatively low temperature of about 45.degree.-70.degree. C., and a stream of warm material from this circuit is then quickly heated to a higher temperature of about 85.degree.-100.degree. C. This quickly heated material is immediately subjected to centrifugal separation in one or more stages to provide the two fractions of fat and protein, respectively.
    Type: Grant
    Filed: January 24, 1978
    Date of Patent: July 31, 1979
    Assignee: Alfa-Laval AB
    Inventor: Poul Filstrup