Patents by Inventor Erik Vilhelm Bernhard Ornelius

Erik Vilhelm Bernhard Ornelius 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 for the preparation of an impregnated building material, and the product thereby obtained
    Patent number: 4036658
    Abstract: The invention refers to a process for the preparation of a hydrofobous building material containing a ballast material and a binder added or formed in connection with the manufacture. At least part of the ballast material is or is made water-repellant and is admixed with the rest of the ingredients of the building material, the amount of water-repellant ballast material and the grain size thereof being adapted so that the water-repellant characteristics of the building material is brought to an acceptable level while maintaining a sufficient wet vapor diffusion ability.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: July 19, 1977
    Assignee: Nya Asfalt AB
    Inventors: Josef Alfred Puhringer, David Yngve Mikael Lund, Rolf Bo Froberg, Erik Vilhelm Bernhard Ornelius