Patents by Inventor Willem D. Arbouw

Willem D. Arbouw 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).

  • Ventilation device
    Patent number: 4953451
    Abstract: Ventilation device with a rectangular frame of which each of the upright sides is formed by an end part, the bottom is formed by a glass holder adapted to the thickness of a glass panel, and the top is formed by a profiled L-shaped strip of which the horizontal leg facing the room defines with an edge projecting from the upright leg an accommodation space into which fits the horizontal leg of an inverted T-section with off-center upright leg.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: September 4, 1990
    Assignee: Aluart Aluminum B.V.
    Inventor: Willem D. Arbouw
  • Ventilation grill for windows
    Patent number: D324421
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: March 3, 1992
    Assignee: Van der Sluijs Beheer B.V.
    Inventor: Willem D. Arbouw