Patents by Inventor Jochen Wirsching

Jochen Wirsching 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).

  • Damp-wiping cloth, sponge or the like and method for its manufacture
    Patent number: 7127773
    Abstract: A damp-wiping cloth (e.g., a sponge or the like) from a foam body of flexible foam material, the foam body (2) being interspersed with foam strips (3) whose hardness is greater than the hardness of the foam body (2).
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: October 31, 2006
    Assignee: Carl Freudenberg KG
    Inventors: Heike Nowottnick, Dirk Schubert, Jochen Wirsching, Hans-Jürgen Wendelken
  • Cleaning cloth
    Patent number: 6706652
    Abstract: A cleaning cloth is described made of a microfilament nonwoven weighing from 30 g/m2 to 500 g/m2, the nonwoven being made from melt-spun, stretched continuous multicomponent filaments having a titer of 1.5 to 5 dtex, which are immediately laid down to form a nonwoven, and the continuous multicomponent filaments, optionally after pre-bonding, being split at least to 80% to form continuous micro-filaments having a titer of 0.05 to 1.0 dtex and bonded.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: March 16, 2004
    Assignee: Firma Carl Freudenberg
    Inventors: Robert Groten, Jochen Wirsching, Frank Rudolph, Joerg Dunkel
  • Cleaning cloth
    Patent number: 6573204
    Abstract: A cleaning cloth having a nonwoven structure for wet, damp and/or dry cleaning, the cleaning cloth being made from micro staple fibers of at least two different polymers and from absorbent secondary staple fibers bound into the micro staple fibers and securely retained therein.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: June 3, 2003
    Assignee: Firma Carl Freudenberg
    Inventors: Dieter Philipp, Jochen Wirsching, Steffen Kremser
  • Cleaning cloth
    Publication number: 20010014393
    Abstract: A cleaning cloth is described made of a microfilament nonwoven weighing from 30 g/m2 to 500 g/m2, the nonwoven being made from melt-spun, stretched continuous multicomponent filaments having a titer of 1.5 to 5 dtex, which are immediately laid down to form a nonwoven, and the continuous multicomponent filaments, optionally after pre-bonding, being split at least to 80% to form continuous micro-filaments having a titer of 0.05 to 1.0 dtex and bonded.
    Type: Application
    Filed: January 12, 2001
    Publication date: August 16, 2001
    Inventors: Robert Groten, Jochen Wirsching, Frank Rudolph, Joerg Dunkel