Patents by Inventor Paul Birke

Paul Birke 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).

  • Low frequency EMF shield
    Patent number: 6028266
    Abstract: A low frequency electromagnetic field shielding panel having a first domain refined steel sheet with an easy direction parallel to a first axis and a second domain refined steel sheet substantially overlying the first sheet and having an easy direction generally orthogonal to the easy direction of the first sheet. The EMF shielding panels are interspersed between an EMF source and a critical volume rather than encapsulating the source or the critical volume.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: February 22, 2000
    Assignee: Asea Brown Boveri Inc.
    Inventor: Paul Birke