Patents by Inventor Werner Kirchhoff

Werner Kirchhoff 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
    Patent number: 4448862
    Abstract: The coating of the microporous separators of lead storage batteries with a highly porous glass wool mat on the side facing the negative electrode plates promotes the electrolyte exchange at these plates and also counteracts the tendency toward crumbling and toward the formation of spongy lead (mossing). The glass wool mat may be applied in the form of a plate or a slab to conventionally made separators or it may take the form of a pocket into which the negative electrode plate is inserted.
    Type: Grant
    Filed: February 6, 1981
    Date of Patent: May 15, 1984
    Assignee: Varta Batterie Aktiengesellschaft
    Inventors: Heinz Schulte, Werner Kirchhoff
  • Lead acid battery plate with starch coated glass fibers
    Patent number: 4238557
    Abstract: The active mass of a lead storage battery plate containing an additive of glass fibers which were provided with a coating before being introduced into the mass.
    Type: Grant
    Filed: April 20, 1978
    Date of Patent: December 9, 1980
    Assignee: Varta Batterie, A.G.
    Inventors: Heinrich Schulte, Werner Kirchhoff