Patents by Inventor Edwin Johannus Gerardus De Winter

Edwin Johannus Gerardus De Winter 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).

  • Method for treating products by high voltage pulses
    Patent number: 6773736
    Abstract: The invention relates to a method for treating products, which may contain cellular material of eukaryotic and/or prokaryotic origin and in particular micro-organisms, by bringing the product in device comprising two electrodes connected to an electronic circuit such that in said device and in said product a pulsating electrical field is created, characterized by the rise time of each imposed voltage pulse which is less than the electronic relaxation time of the product. Preferably the rising edge of each cycle starts within the relaxation time of the product and even more preferably each electrical field pulse has a duration shorter than the relaxation time of the product.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: August 10, 2004
    Assignee: Ato B.V.
    Inventors: Edwin Johannus Gerardus De Winter, Hendrikus Cornelis Mastwijk, Paul Vincent Bartels