Patents by Inventor Ludwig Bauman

Ludwig Bauman 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).

  • Bubbler mat with separate box type mat elements
    Patent number: 4290982
    Abstract: A bubbler mat is formed with individual box-type mat elements. The mat elements are connected in an air determining manner through air supply channels. The mat elements are formed of connectable part shells and have air discharge openings along an essentially horizontal connection plane.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: September 22, 1981
    Inventor: Ludwig Bauman