Patents by Inventor Vilas G. Bankar

Vilas G. Bankar 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).

  • Delustered nylon filaments with striations of polymethylpentene
    Patent number: 5407745
    Abstract: A delustered nylon filament is disclosed which contains cylindrical striations of polymethylpentene. The filaments have low or no glitter and a bright sheen luster.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: April 18, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Vilas G. Bankar, Wae-Hai Tung
  • One-line interlacing of bulked continuous filament yarns and low-melting binder fibers
    Patent number: 5032333
    Abstract: This invention relates to a process for combining a low melting binder fiber with a continuous filament base yarn to form a composite yarn having good bulk and a high level of interlace. More particularly, the process involves bulking a continuous filament yarn, combining it with the low-melting binder fiber, interlacing the combined yarn, and then fixing the interlace.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: July 16, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Vilas G. Bankar
  • Yarn handling device and method
    Patent number: 4999891
    Abstract: A yarn string-up gun is modified to include an entangling jet and a cut-down device eliminating the need to provide entangling jets for joining yarns on each yarn-spinning machine position for intermittent use.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: March 19, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Vilas G. Bankar
  • Trilobal filaments exhibiting high bulk and sparkle
    Patent number: 4492731
    Abstract: Trilobal synthetic carpet filaments in a specified range of modification ratios and related arm angles exhibit a unique combination of high bulk and high sparkle.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: January 8, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Vilas G. Bankar, Terry L. Stuchlik, Frank Werny