Patents by Inventor Jan P. Van Den Brink

Jan P. Van Den Brink 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).

  • Patent number: 6504298
    Abstract: Picture display device with an evacuated tube comprising, around a longitudinal axis, a display window, a conical portion and a neck portion, said conical portion being connected to an upstanding wall of the display window. The conical portion has a reduced wall thickness. The conical portion is preferably provided with a coating having a layer thickness of preferably less than 50 &mgr;m. The coating preferably comprises a layer of polyurethane.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: January 7, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Jan P. Van Den Brink, Jan W. Kleine
  • Publication number: 20020079825
    Abstract: Picture display device with an evacuated tube comprising, around a longitudinal axis (20), a display window (2), a conical portion (4) and a neck portion (5), said conical portion (4) being connected to an upstanding wall (15) of the display window (2). The conical portion (4) has a reduced wall thickness. The conical portion is preferably provided with a coating (17) having a layer thickness of preferably less than 50 &mgr;m. The coating preferably comprises a layer of polyurethane.
    Type: Application
    Filed: March 3, 1999
    Publication date: June 27, 2002
    Inventors: JAN P. VAN DEN BRINK, JAN W. KLEINE
  • Patent number: 6323591
    Abstract: Picture display device with an evacuated tube comprising, around a longitudinal axis, a display window, a conical portion and a neck portion, said conical portion being connected to an upstanding wall of the display window. The wall thickness of the conical portion is selectively reduced. In particular, the wall thickness in an area of the conical portion is substantially constant.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: November 27, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Gerardus M. Oosterhout, Peter M. Bruisten, Paul F. A. Sterken, Petrus R. M. Schoone, Maarten A. Zwikker, Jan W. Kleine, Jan P. Van Den Brink