Patents by Inventor Wolgang Kugler

Wolgang Kugler 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).

  • Sealed maintenance-free lead-acid storage battery
    Patent number: 4894300
    Abstract: The invention is directed to a sealed, maintenance-free lead-acid storage battery of high capacity employing a thixotropic sulfuric acid gel as the electrolyte.In order to permit horizontal mounting without incurring the risk of escaping sulfuric acid during the charging process, the lower portion of the free gas space between electrode plates (1, 2) and housing lid (7) including the positive terminal (3) is filled with foamed material (9) which is preferably separated by means of a parting angle piece (10, 11) from the upper free gas space (6) including a pressure relief valve (8).
    Type: Grant
    Filed: August 19, 1988
    Date of Patent: January 16, 1990
    Assignee: Accumulatorenfabrik Sonnenschein GmbH
    Inventor: Wolgang Kugler