Patents by Inventor Jan van de Berg

Jan van de Berg 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).

  • System for detecting the presence of moisture
    Patent number: 6832507
    Abstract: The system comprises at least one electronic sensor for detecting the presence of moisture. The system further comprises at least one reading device for obtaining information from the sensor about the presence of moisture. The sensor comprises a resonant circuit which is at least partly formed from a moisture sensitive material, the electrical resistance of which increases when the material comes into contact with moisture. The reading device comprises transmitter-receiver means for generating an elecromagnetic interrogation field.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: December 21, 2004
    Assignee: Telesensing Holding B.V.
    Inventors: Jan van de Berg, Peter Hillebrand de Haan