Patents by Inventor Franciscus P. M. Nooren

Franciscus P. M. Nooren 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).

  • Process and sealing agent for producing a watertight and/or gastight bushing of lines in a water-resistant and/or gas-blocking wall, and device for use thereof
    Patent number: 5116413
    Abstract: A process is provided for feeding cables, wires, pipes etc. through a wall in such a way that the water- and/or gas resistance of the wall is maintained and that later on additional cables etc. can be passed through. The process uses a sealing agent comprising an intimate mixture of a water-swellable substance such as a clay and a hydrophobic substance such as vaseline. The sealing agent can be placed in a tubular device for providing water-tightness when making a bushing in a partially porous wall.
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: May 26, 1992
    Assignee: Waterproof Coatings S.A.
    Inventor: Franciscus P. M. Nooren