Patents by Inventor Klaus Hasenack

Klaus Hasenack 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).

  • Hosiery and method of making same
    Patent number: 6289701
    Abstract: Hosiery articles like stockings, hose, socks or the like are made from a false twist or spinning twist knitting yarn composed of cotton and/or wool and/or synthetic in which an elastomer is incorporated by the SpiroSpun process. The knitting yarn is made by the SpiroSpun process and is knitted into the garment shape without any other yarn.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: September 18, 2001
    Assignee: ′WGF′ Colcoton-Garn Hasenack & Co.
    Inventor: Klaus Hasenack
  • Method of producing colored short staple fiber yarn of cotton and/or synthetics
    Patent number: 5709072
    Abstract: A method of dyeing of short-staple fiber of cotton, synthetics or blends thereof in which the sliver if formed into a roving package on a perforated sleeve in a flyer frame with a slight twist and with a uniform winding density and the roving package is then subjected to dyeing and the dyed roving package is then delivered directly to the final spinning frame. The dyeing of the flyer slubbing is possible because of a package before final spinning, but not in the flock form with a stability of the flyer slubbing afforded by the slight twist imparted thereto in the flyer frame.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: January 20, 1998
    Assignee: "WFG" Colcoton-Garn Hasenack & Co.
    Inventors: Klaus Hasenack, Peter Krummenast, Harald Kirchner, Markus Spieker