Patents by Inventor Jorgen Borchardt

Jorgen Borchardt 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).

  • Process and apparatus for manufacturing diaphragms
    Patent number: 4961901
    Abstract: In a process of manufacturing diaphragms, a layer of a difficulty flowable metal powder is applied to a support, a wire net is rolled onto the powder layer and the latter is compacted at the same time and the metal powder is fired at 800.degree. to 1500.degree. C. in an oxidizing atmosphere. In order to impart to the diaphragms a constant thickness, strength and density, the metal powder is uniformly distributed and applied as regards its bulk volume to the support and the powder layer is moved under a distributing roller rotating opposite to the direction in which the powder is fed.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: October 9, 1990
    Assignee: Metallgesellschaft AG
    Inventors: Heinz Wullenweber, Peter Kohl, Herbert Jung, Jorgen Borchardt, Wolfgang Bickle, Jurgen Braus, Hans-Joachim Hiedemann