Patents by Inventor Franz W. Schumann

Franz W. Schumann 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).

  • Process for removing harmful residues from food during cooking
    Patent number: 4721624
    Abstract: The invention relates to a cooking utensil, for example a cooking pot, wherein the latter has an ion exchanger and/or absorber and/or adsorber and/or filter and/or other device for the extraction of residues of pesticides, herbicides, synthetic fertilizers, hormones and the like from the products to be cooked and prepared, i.e. from the foodstuffs to be prepared, their preparation liquid and/or their vapors during the cooking process. The said harmful substances are to be extracted in this way from the products to be cooked.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: January 26, 1988
    Assignee: FIBEG Beteiligungesellschaft mbH
    Inventor: Franz W. Schumann