Patents by Inventor Erik Diderik De Vries

Erik Diderik De Vries 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).

  • Combination of transformer and coil
    Publication number: 20030222745
    Abstract: Combination of a transformer and at least one coil to be incorporated in an electricity distribution network, comprising:
    Type: Application
    Filed: April 7, 2003
    Publication date: December 4, 2003
    Applicant: Smit Transformatoren B.V.
    Inventors: Cornelus Johannus Gijsbertus Spoorenberg, Erik Diderik De Vries, Stefan Wouter Blok