Patents by Inventor Hans-Jurgen Meitinger

Hans-Jurgen Meitinger 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).

  • Filter medium
    Patent number: 8147584
    Abstract: The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-woven stiffening layer comprising fibers of synthetic polymers and the fibers being both partially oriented and oriented fibers.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: April 3, 2012
    Assignee: Johns Manville
    Inventors: Christian Hassmann, Hans-Jurgen Meitinger, Kurt Ploetz, Juergen Umminger, Michael Schoeps
  • FILTER MEDIUM
    Publication number: 20110253645
    Abstract: The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-woven stiffening layer comprising fibres of synthetic polymers and the fibres being both partially oriented and oriented fibres.
    Type: Application
    Filed: June 28, 2011
    Publication date: October 20, 2011
    Inventors: Christian Hassmann, Hans-Jürgen Meitinger, Kurt Plotz, Jürgen Umminger, Michael Schops
  • Filter medium
    Patent number: 7993427
    Abstract: The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfiber layer, the non-woven stiffening layer comprising fibers of synthetic polymers and the fibers being both partially oriented and oriented fibers.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: August 9, 2011
    Assignee: Johns Manville
    Inventors: Christian Hassmann, Hans-Jürgen Meitinger, Kurt Plötz, Jürgen Umminger, Michael Schöps
  • Filter medium
    Publication number: 20080302072
    Abstract: The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-woven stiffening layer comprising fibres of synthetic polymers and the fibres being both partially oriented and oriented fibres.
    Type: Application
    Filed: May 23, 2008
    Publication date: December 11, 2008
    Inventors: Christian Hassmann, Hans-Jurgen Meitinger, Kurt Plotz, Jurgen Umminger, Michael Schops