Patents by Inventor Peter Arthur Kull

Peter Arthur Kull 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).

  • Filter
    Patent number: 7667988
    Abstract: EMC filter, for connection between a mains supply network and a mains-operated appliance to reduce conduction noise between said supply network and said appliance, comprising a voltage divider connected to said mains network, for generating a voltage lower than a voltage of said mains network; rectifying means, connected to an output of said voltage divider, for generating a DC voltage; and an electronic active circuit, supplied by said DC voltage, for absorbing a noise current transmitted between said supply network and said appliance.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: February 23, 2010
    Assignee: Schaffner EMV AG
    Inventors: Norbert Haeberle, Peter Arthur Kull, Andrew Cecil Tucker