Patents by Inventor Torben C. Hansen

Torben C. Hansen 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).

  • Structural building components and method for production on the basis of laterite
    Patent number: 4126475
    Abstract: Production of high strength structural building components by steam curing a compressed mixture of laterite, lime and water at a temperature preferably between 70.degree. and 100.degree. C.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: November 21, 1978
    Inventors: Torben C. Hansen, Thomas Ringsholt