Patents by Inventor Werner Kirschning

Werner Kirschning 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).

  • Patent number: 6195941
    Abstract: A door assembly for a sterile or safe room has a door leaf mounted in the door frame by hinge plates and a hose-type seal along the edge of the door leaf edge, when inflated presses against a smooth surface of the frame juxtaposed with the edge of the leaf. The seal is resilient so that it restores to its uninflated position releasing the lock in one to six seconds.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: March 6, 2001
    Assignee: Solvay Pharmaceuticals GmbH
    Inventors: Kurt Burow, Werner Kirschning, Martin Varchmin, Dieter Steppke, Horst Lass, Peter Rekowski
  • Patent number: 4728285
    Abstract: A device for the combustion of fluid materials, especially particulate (i powdered or granular) solid fuels, suspended in a fluid medium, for example coal suspended in water, with a nozzle and a combustion chamber. The nozzle is located in a precombustion chamber opening into the combustion chamber, and the device directs a minor part of the combustion air to the region of the orifice of the nozzle in the precombustion chamber, and a major part of the combustion air to the region of the mouth of the precombustion chamber where it opens into the combustion chamber.
    Type: Grant
    Filed: December 27, 1985
    Date of Patent: March 1, 1988
    Assignees: Dumag Offene Handelsgesellschaft Dr. Techn. Ludwig Kaluza & Co., Karl-Chemie*
    Inventors: Friedrich Kamelreiter, Josef Landauf, Adalbert Marko, Helmut Bormann, Jochen Bosse, Werner Kirschning, Dieter Lischitzki, Detlef Zwetz