Patents by Inventor J. Van de Water

J. Van de Water 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).

  • Method and device for continuous adjustment and regulation of transformer turns ratio, and transformer provided with such device
    Patent number: 5969511
    Abstract: In a method and a device for continuously adjusting, within a certain adjustment range, the turns ratio between the primary winding and the secondary winding of a power transformer provided with at least one regulating winding, a first tap is switched on during a portion of a cycle of the alternating voltage of the transformer and a second tap is switched on during another portion of the cycle of the alternating voltage. For this purpose, the device comprises electronic switches in the form of thyristors or transistors.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: October 19, 1999
    Assignee: N.V. Eneco
    Inventors: Paulus G. J. M. Asselman, Jan Hendrik Griffioen, Pavol Bauer, Gerardus Chr. Paap, Sjoerd W. H. de Haan, Cornelis J. van de Water
  • Diaper fastening system using welded branching type tabs
    Patent number: 5860964
    Abstract: A diaper is provided with an adhesive fastening tab of the Y-configuration type which includes a welded joinder at the branching point between the fastening tape and release tape portions of the tab, the welded joinder being free of the diaper. The welded joinder comprises a direct weld between the substrates of the fastening tape and release tape portions of the tab, or welds between each of those two substrates and an intermediate junction substrate.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: January 19, 1999
    Assignee: Avery Dennison Corporation
    Inventors: J. Willekens, J. Van de Water, F. Coumans, P. Dhondt