Patents by Inventor Karl H. Kleber

Karl H. Kleber 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).

  • Lead storage battery with stored expander
    Patent number: 4269912
    Abstract: For continuous supply of expander material to the negative electrode of a lead storage battery, particularly a quinone derivative, this material is provided within an acid-resistant plastic vessel with an aperture toward the electrolyte, or in a chemically neutral matrix in tablet form.The size of the aperture or the porosity of the chemically neutral matrix so regulates the expander delivery that uniform supply is insured during at least a portion of the life span of the storage battery.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: May 26, 1981
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Heinrich Rabenstein, Angela Kalbitz, Karl H. Kleber