Patents by Inventor Karl Geim

Karl Geim 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 fastening a glass fiber to a light wave guide component
    Patent number: 4810277
    Abstract: A method for hermetically fastening a glass fiber within a tube, wherein the tube can be used with light wave guide components, the tube serving as a connecting part at the component. The method provides for a tube consisting of quartz, quartz glass or glass. The glass fiber is connected to the tube at a predetermined fastening location by means of heating the tube and collapsing the tube to hermetically connect the glass fiber to the tube through melting.
    Type: Grant
    Filed: February 23, 1988
    Date of Patent: March 7, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Guenther Waitl, Karl Geim, Hans-Ludwig Althaus, Waltraud Klos
  • Apparatus and method for manufacturing tape-shaped silicon bodies for solar cells
    Patent number: 4481235
    Abstract: A method and apparatus for manufacturing tape-shaped silicon bodies for solar cells wherein a tape-shaped reticulate carrier is passed vertically downwardly through a drawing nozzle including a slot which is full of molten silicon. The drawing nozzle is located above the level of molten silicon in a vat containing such molten silicon, and capillary means are provided to deliver the molten silicon from the vat into the drawing nozzle to fill the same with the molten silicon.
    Type: Grant
    Filed: September 13, 1983
    Date of Patent: November 6, 1984
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Foell, Bernhard Freienstein, Karl Geim, Josef Grabmaier, Otmar Hintringer