Patents by Inventor Karl-Georg Knauff

Karl-Georg Knauff 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).

  • Method of manufacturing shaped bodies from ceramics or glass
    Patent number: 4902328
    Abstract: A method of manufacturing shaped bodies from ceramic or glass, in which a green body is formed from the starting material for the shaped body in the form of a plastic mass consisting of microdispersed solid particles and water as a dispersing liquid and, if necessary, a binder, after which said green body is dried and sintered, the still wet green body being immersed in water miscible organic liquid having a lower surface tension and a lower enthalphy of vaporization than water, until the water in the green has at least largely been replaced by the organic liquid due to diffusion.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 20, 1990
    Assignee: U.S. Philips Corporation
    Inventors: Karl-Georg Knauff, Benno Schmidl
  • Method of preparing ferromagnetic material
    Patent number: 3967986
    Abstract: A method of preparing iron powder for recording in which iron oxide hydrate powder is reduced by flowing hydrogen in intimate contact with the iron oxide hydrate powder, preferrably in a fluidized bed.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: July 6, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Hans Rau, Karl-Georg Knauff