Patents by Inventor Guentor Stephani

Guentor Stephani 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).

  • Publication number: 20030077473
    Abstract: According to the invention, the shaped bodies are comprised of at least one heavy metal, preferably Fe, Ni, Co, Sn, Mo or W which can be reduced from a corresponding metallic compound at a temperature of less than 1 500° C. The shaped bodies have an outer diameter ranging from 0.05 to 0.5 mm, and a diameter-to-wall thickness ratio of 0.5 to 3%.
    Type: Application
    Filed: October 8, 2002
    Publication date: April 24, 2003
    Inventors: Frank Bretschneider, Herbert Stephan, Juergen Brueckner, Guentor Stephani, Lothar Schneider, Ulf Waag