Patents by Inventor Knut VON Loh

Knut VON Loh 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 element
    Patent number: 4856248
    Abstract: The invention described herein concerns a structured building element in the form of a panel, a block or a similar configuration with a continuous binder material part including a matrix connected with it and comprising a density of the first order together with a plurality of zones distributed within the matrix, wherein the zones possess a density of the second order different from the density of the first order. Reinforcing elements may be embedded in parts of the interconnected matrix in order to provide additional stability for the structural element.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: August 15, 1989
    Inventors: Nils, F. Larson, deceased, heir & representative Larson, Catherine J., Knut von Loh
  • Aqueous electrically insulating varnish and a process for its production
    Patent number: 4169085
    Abstract: An aqueous electrically insulating varnish is provided along with a process for producing the varnish; the process comprises the steps of reacting cyclopentane tetracarboxylic acid with dicyclic, diprimary aromatic diamine in the presence of water and neutralizing the condensation product to form a varnish.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: September 25, 1979
    Assignee: Dr. Beck & Co. AG
    Inventors: Ferdinand Hansch, Knut VON Loh, Harald Janssen