Patents by Inventor Hartmut Walcher

Hartmut Walcher 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: 20100047557
    Abstract: The invention relates to the field of ceramics and relates to composite molded articles, such are used, for example, for chip-removal tools. The object of the invention is to disclose composite molded articles that are free in the design of their surface and interface and can be produced in series production. The object is attained through ceramic and/or powder metallurgical composite molded articles comprising a green tape and an injection molded article. The object is further attained through a method in which a green tape is inserted into or placed onto a mold, and subsequently at least one ceramic and/or powder metallurgical injection molding mass is placed on and/or applied to and/or inserted into the mold by means of injection molding, and subsequently the one-part or multi-part mold is removed and/or the one-part or multi-part composite molded part parts are removed from the mold, wherein these process steps can be repeated once or several times.
    Type: Application
    Filed: January 7, 2008
    Publication date: February 25, 2010
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Andreas Baumann, Reinhard Lenk, Tassilo Moritz, Hans-Juergen Richter, Hartmut Walcher, Marko Maetzig