Patents by Inventor Karl-Heinz Blaufuss

Karl-Heinz Blaufuss 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 for increasing the molar ratio of aluminum to chlorine in polyaluminum chloride solutions
    Patent number: 5254224
    Abstract: Disclosed is a method for increasing the molar ratio of aluminum to chlorine in a polyaluminum chloride solution by the electrochemical dissolving of aluminum, including contacting a polyaluminum chloride solution having a molar ratio of aluminum to chlorine of equal to or greater than 0.5 with a galvanic element. The galvanic element includes metallic aluminum and an electrochemically more noble metal. Contact is maintained until the aluminum to chlorine ratio is increased to the desired level.
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: October 19, 1993
    Assignee: VAW Aluminium AG
    Inventors: Gerhard Kudermann, Karl-Heinz Blaufuss
  • High temperature magnetic stirrer
    Patent number: 4568192
    Abstract: Disclosed is a high temperature magnetic stirrer including a permanent magnet positioned underneath a frame supported platform. The magnet is positioned to be rotatable in a plane parallel to the platform. A spiral shaped heating element mounted to the frame is positioned above the platform and centered above the rotatable magnet. The spiral has a diameter sufficient to enclose a portion of a crucible. Means are provided to supply the heating element with electricity, and additional means are secured to the frame to rotate the magnet.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: February 4, 1986
    Assignee: Vereinigte Aluminium-Werke Aktiengesellschaft
    Inventors: Gerhard Kudermann, Karl-Heinz Blaufuss