Patents by Inventor Dieter Käfer

Dieter Käfer 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).

  • INFILTRATE-STABILIZED SALT CORES
    Publication number: 20130068129
    Abstract: Salt based cores made of a slat, a binder and optionally auxiliary agents are stabilized with an infiltrate.
    Type: Application
    Filed: June 1, 2011
    Publication date: March 21, 2013
    Inventors: Harald Hudler, Dieter Käfer, Josef Baron, Peter Stingl
  • Core and a Method for the Production Thereof
    Publication number: 20090250587
    Abstract: The invention relates to core used in a mould for casting metal workpieces or molding by injection plastic workpieces for keeping free hollow spaces arranged in the workpieces when the moulds are filled with material.
    Type: Application
    Filed: September 29, 2006
    Publication date: October 8, 2009
    Inventors: Dieter Käfer, Gudrun Schiller, Gisbert Schulze, Peter Stingl, Roland Werner, Horst Walter Rockenschaub, Reinhold Georg Gschwandtner, Thomas Pabel