Patents by Inventor Gerhart Klein

Gerhart Klein 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).

  • Electrode terminal contact
    Patent number: 4663248
    Abstract: Terminal contact is made between an electrode in an electrochemical cell and the external terminal therefor by capture of an electrically conductive portion of said electrode within or by a member of a compressively formed seal of the cell.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: May 5, 1987
    Assignee: Duracell Inc.
    Inventors: Gerhart Klein, Francis Gurrie, Joseph Barella
  • Method for making spirally wound cells
    Patent number: 4476624
    Abstract: A method for making spirally wound cells using a deformed metal strip mandrel with an electrode being forced therein by a compressing element fixedly retained by the mandrel to hold the electrode during winding. The electrode is electrically connected to the mandrel by the compressing force.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: October 16, 1984
    Assignee: Duracell Inc.
    Inventors: Gerhart Klein, Michael J. Mitchell, Jr.