Patents by Inventor B. L. Rastogi

B. L. Rastogi 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).

  • Process for the preparation of indigo dyed yarn for use in the manufacture of knitted fabric
    Patent number: 7185405
    Abstract: A process for the preparation of indigo dyed yarn for use in the manufacture of knitted fabric by a knitting machine comprising in the steps of, forming a dyed rope of yarn by the steps of indigo dyeing; individualizing the yarn of said dyed rope; forming separate packages of the yarn on separate spools of fixed ends; preparing individual hanks of each yarn end of each spool by hank maker; converting said hanks into individual cones of single yarn.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: March 6, 2007
    Assignee: Malwa Cotton Spinning Mills Ltd.
    Inventors: B. L. Rastogi, Jangi Lal Oswal
  • Process for the preparation of indigo dyed yarn for use in the manufacture of knitted fabric
    Publication number: 20040250391
    Abstract: A process for the preparation of indigo dyed yarn for use in the manufacture of knitted fabric by a knitting machine comprising in the steps of, forming a dyed rope of yarn by the steps of indigo dyeing; individualizing the yarn of said dyed rope; forming separate packages of the yarn on separate spools of fixed ends; preparing individual hanks of each yarn end of each spool by hank maker; converting said hanks into individual cones of single yarn.
    Type: Application
    Filed: April 27, 2004
    Publication date: December 16, 2004
    Inventor: B.L. Rastogi