Patents by Inventor Cornelis G. Visser

Cornelis G. Visser 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).

  • Electrode for electrochemical machining
    Patent number: 5759362
    Abstract: An electrode (2) for electrochemically machining electroconductive workpieces (1), which is provided with electrically insulating layers (4, 4') of a hybrid inorganic polymeric material on the basis of silicon oxide and zirconium oxide obtained by means of a sol-gel process. The insulating layers (4, 4') can be provided on the electrode at a low temperature and exhibit a small leakage current.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: June 2, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Roland P. Van Kessel, Petrus A. Rensing, Franciscus H. M. Sanders, Cornelis G. Visser
  • Electric lamp with adhesion layer and interference layer
    Patent number: 5680001
    Abstract: The electric lamp has a quartz glass lamp vessel in which a light source is accommodated. The lamp vessel is covered by an interference film which has layers of alternatingly silica and a material of relatively high refractive index. A silica containing adhesive layer is in between the lamp vessel and the film. The adhesive layer has a content of boron oxide and/or phosphorus oxide.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: October 21, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Cornelis A.M. Mulder, Willibrordus H. M. M. Van De Spijker, Cornelis G. Visser