Patents by Inventor Josef Ehrhardt

Josef Ehrhardt 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 producing an absorber layer for solar cells with the aid of electrodeposition
    Patent number: 5275714
    Abstract: A method of producing an absorber layer for solar cells by electrolytic dispersion deposition.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: January 4, 1994
    Assignee: Battelle Memorial Institute
    Inventors: Dieter Bonnet, Josef Ehrhardt, Gert Hewig
  • Method of continuous production of a ductile superconducting material in the form of tapes, foils or wires
    Patent number: 4108737
    Abstract: A method for the continuous production of ductile, superconducting tapes, foils, or wires disclosed in which extremely small superconducting particles are incorporated into a metallic matrix. In the method, niobium nitride particles are suspended in an electrolyte solution and are subsequently electrodeposited on an endless steel belt. The electrodeposited particles are peeled off the belt and formed into tapes, foils or wires.
    Type: Grant
    Filed: March 29, 1977
    Date of Patent: August 22, 1978
    Assignee: Battelle-Institute
    Inventors: Josef Ehrhardt, Heinrich Winter