Patents by Inventor Hendrik M. J. Horn

Hendrik M. J. Horn 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).

  • Impeller
    Patent number: 4759690
    Abstract: A vane-type impeller having a plurality of abuttably-adjacent, interconnected components at least some of which are made of an abrasion-resistant ceramic material is improved by a layer of a resiliently-flexible material between at least each component made of an abrasion-resistant ceramic material and each component it is abuttably adjacent for increasing the capability of each component made of the abrasion-resistant material of withstanding impact forces.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: July 26, 1988
    Inventors: John A. Deschamps, Hendrik M. J. Horn