Patents by Inventor Thomas Kuehlwein

Thomas Kuehlwein 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).

  • UREA FILTER MATERIAL
    Publication number: 20140196421
    Abstract: A urea filter material may have a base layer, a cover layer and a filter layer arranged between the base layer and the cover layer, wherein all of the layers are formed from polypropylene non-woven fabric.
    Type: Application
    Filed: February 2, 2012
    Publication date: July 17, 2014
    Applicants: CARL FREUDENBERG KG, MAHLE INTERNATIONAL GMBH
    Inventors: Stefan Jauss, Sven Siegle, Anette Arnold, Thomas Kuehlwein, Holger Leubner
  • THERMALLY FUSIBLE INTERLINING NONWOVEN AND PRODUCTION AND USE THEREOF
    Publication number: 20110311795
    Abstract: A thermally fusible interlining nonwoven includes a fusing layer (A) having at least one staple fiber nonwoven containing at least 50% by weight of thermoplastic staple fibers having at least one of a melting or softening temperature in a range from 60° C. to 165° C. A layer (B) is bonded together with layer (A) and includes at least one staple fiber nonwoven or a staple fiber nonwoven fabric having staple fibers. At least 80% by weight of the staple fibers of layer (B) have at least one of a softening temperature, melting temperature and degradation temperature that is higher than or equal to 170° C.
    Type: Application
    Filed: January 16, 2010
    Publication date: December 22, 2011
    Applicant: CARL FREUDENBERG KG
    Inventors: Heike Bartl, Oliver Staudenmayer, Thomas Kühlwein