Patents by Inventor Frederikus Gerardus Maria Bol

Frederikus Gerardus Maria Bol 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 ballasting roof covering layers on substantially flat roof surfaces
    Patent number: 6640518
    Abstract: A mortar of a granulated mineral wool, a hydraulic binder and water is placed on a roof to prevent roof covering layer(s) of a substantially flat roof from being blown up in stormy conditions. The roof surface to be ballasted is divided into panels by placing joint elements thereon. The mineral wool component includes rockwool waste originating from horticulture and glass fibre wool waste.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: November 4, 2003
    Inventor: Frederikus Gerardus Maria Bol
  • Method of ballasting roof covering layers on substantially flat roof surfaces
    Publication number: 20010022059
    Abstract: To prevent the roof covering layer(s) of a substantially flat roof from being blown up in stormy conditions a mortar is put thereon, which comprises a granulated mineral wool, a hydraulic binder and water. Preferably the roof surface to be ballasted is divided—by placing joint elements thereon—into panels. Advantageously rockwool waste originating from the horticulture and glass fibre wool waste may be used as the mineral wool component.
    Type: Application
    Filed: March 12, 2001
    Publication date: September 20, 2001
    Inventor: Frederikus Gerardus Maria Bol