Patents by Inventor Hans-Jorg John

Hans-Jorg John 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).

  • Electrical connection with electromagnetic compatibility
    Patent number: 5905641
    Abstract: Leading an electrical connection (40), arranged on a printed circuit board (32), in a fashion exhibiting EMC out of a screening housing (12), one wall (16) of which is provided with a slit (18) through which a part (36), bearing an electrical connection (40), of the printed circuit board (32) can project. The edges (20) of the slit (18) are provided with a contact strip (24) which makes contact with an electrically conducting coating (38) of the printed circuit board (32).
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: May 18, 1999
    Assignee: Siemens Nixdorf Informationssysteme Aktiengesellschaft
    Inventors: Hans-Jorg John, Rolf Paland
  • Cooling and screening device having contact pins for an integrated circuit
    Patent number: 5717248
    Abstract: Cooling and screening device for integrated circuits, have a metal plate (26) having integrally formed cooling projections (28) and having bores (34) extending from the upper side and bottom side of the metal plate (26). Inserted into these bores (34) are contact pins (39) whose free ends form soldering tips (38) which are intended for soldering into plated-through bores (40) of a printed circuit board (20).
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: February 10, 1998
    Assignee: Siemens Nixdorf Informationssysteme AG
    Inventors: Gerd Neumann, Hans-Jorg John, Horst Weege