Patents by Inventor Hans P. Hausheer

Hans P. Hausheer 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).

  • Needled fiber mat containing granular agent
    Patent number: 4250172
    Abstract: At least two layers of fibrous mat have a layer of granular agent therebetween and are mechanically interlocked by means of needling.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: February 10, 1981
    Inventors: Arnold B. Mutzenberg, Hans P. Hausheer
  • Filtering member for filters
    Patent number: 4197100
    Abstract: A filter assembly for the filtration of a liquid or gaseous substance comprising a frame and a plurality of filter members fitted in the frame in parallel relation to one another. Each filter member consists of two elements connected together to form a hollow interior, the substance to be filtered being introduced at one side of the filter and passing through the hollow interior and then through the filter elements for discharge between adjacent filter elements of adjoining filter memers. Each filter element comprises a layer of fiber glass and at least one fleece layer, the two layers being connected by needle felting together at locations between the connections of the filter elements constituting the filter member.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: April 8, 1980
    Inventor: Hans P. Hausheer