Patents by Inventor Bengt Kanngard

Bengt Kanngard 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 of eliminating moisture problems in housing
    Patent number: 5672384
    Abstract: Method of eliminating moisture problems in housing and premises with supporting structures made of concrete, comprising hydrophobic impregnation of a supporting concrete construction/bedding with a hydrophobic agent with a molecular size such that the impregnation becomes open to diffusion, and thereafter application of acidic ion exchange particles dispersed in a carrier on the bedding for the formation of a layer.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: September 30, 1997
    Inventors: Bengt Kanngard, Jan Kristensson