Patents by Inventor Heike Biermann

Heike Biermann 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).

  • Tantalum powder, method for producing same powder and sintered anodes obtained from it
    Patent number: 6238456
    Abstract: The present invention discloses a tantalum powder for capacitors and a method for making said tantalum powder wherein agglomerated tantalum powder is produced by means of thermal agglomeration of starting tantalum powders in the presence of hydrogen.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: May 29, 2001
    Assignee: H. C. Starck GmbH & Co. KG
    Inventors: Rüdiger Wolf, Karlheinz Reichert, Heike Biermann, Josua Löffelholz, Detlef Breithaupt