Patents by Inventor Hans-Martin Lippold

Hans-Martin Lippold 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 and manufacturing method therefor
    Patent number: 4160747
    Abstract: An electrode for a primary cell is produced by first mixing a solid depolarizer, carbon, and a water-insoluble organic polymer binder. The mixture is then molded into an electrode body. The binder is in the mixture in the form of a dispersion in a hydrophilic medium.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: July 10, 1979
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Gerhard Schneider, Werner Riedl, Hans-Martin Lippold
  • Galvanic element with negative light metal or zinc electrode
    Patent number: 4139683
    Abstract: The positive electrode consisting of the chalcogenide of an at least bi-valent metal is connected to the positive current take-off solely through an electrically conductive connector having an exceptionally small contact area with the higher valent metal.
    Type: Grant
    Filed: December 28, 1977
    Date of Patent: February 13, 1979
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Hans Sauer, Hans-Martin Lippold, Dieter Spahrbier
  • Galvanic cell
    Patent number: 4038467
    Abstract: In a galvanic cell with negative zinc electrode and positive electrode of AgO, the AgO is surface-reduced to Ag.sub.2 O, and insulated from the current takeoff, to which connection is made only by a porous silver layer.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: July 26, 1977
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Hans-Martin Lippold, Dieter Spahrbier