Patents by Inventor Michael Passler

Michael Passler 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).

  • Patent number: 5300248
    Abstract: The subject invention is directed to rubber coatings for cleaning cloths comprised of foamed rubber and cellulose microfibers that promote biodegradability and enhance water absorbtivity and other desirable properties.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: April 5, 1994
    Assignee: Firma Carl Freudenberg
    Inventors: Michael Passler, Hans Riepold
  • Patent number: 4352846
    Abstract: A cleaning cloth for household and industrial use comprising a soft resilient needled nonwoven fabric having a plurality of rubber strips surmounting its top surface in the manner of relief, the height of the rubber strips being about 0.2 to 0.4 times their width but not more than about 0.5 times the thickness of the nonwoven fabric, the nonwoven fabric on its underside carrying a continuous layer of an open-pore latex foam which projects above the bottom surface and penetrates into the nonwoven to the extent of about 10 to 40 percent of the thickness of the nonwoven fabric.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: October 5, 1982
    Assignee: Carl Freudenberg, Firma
    Inventors: Michael Passler, Bohuslav Tecl, Rolf Schumacher