Patents by Inventor Navin Gautam

Navin Gautam 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).

  • Method and apparatus for applying a material to a web
    Patent number: 5997691
    Abstract: A method and apparatus of manufacturing a web which is striped with add-on material, comprising: a first arrangement which establishes a sheet of base web from a first slurry and moves the established sheet along a first path; a second arrangement for preparing a second slurry; a moving orifice applicator operative so as to repetitively discharge the second slurry upon the moving sheet of base web, the moving orifice applicator comprising: a chamber box arranged to establish a reservoir of the second slurry across the first path; an endless belt having an orifice, the endless belt received through the chamber box; a drive arrangement operative upon the endless belt to continuously move the orifice along an endless path and repetitively through the chamber box, the orifice when communicated with the reservoir being operative to discharge the second slurry from the reservoir through the orifice; a flow distribution system for introducing the second slurry into the chamber box at spaced-apart feed locations alon
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: December 7, 1999
    Assignee: Philip Morris Incorporated
    Inventors: Navin Gautam, Harry V. Lanzillotti, Tyrone W. Murray, D. Anh Phan, Jon R. Butt, Sr., H. Edmund Clark, Thomas E. Dougherty, Thomas L. Fillio, Vladimir Hampl, Jr., Phillip L. Ursery, Edwin L. Cutright, Ronald L. Edwards
  • Filter materials
    Patent number: 5738119
    Abstract: Cigarette filters which comprise hydroentangled lyocell staple fibers are disclosed. High filter efficiencies, good taste properties, good resistance to staining, good physical resilience and good air flow characteristics are observed when cigarettes containing such filters are smoked.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: April 14, 1998
    Assignee: Courtaulds Fibres (Holdings) Limited
    Inventors: William B. Edwards, III, Navin Gautam, Paul N. Gauvin, Donald E. Laslie, Kenneth A. Newman, Calvin R. Woodings
  • Paper having crossdirectional regions of variable basis weight
    Patent number: 5474095
    Abstract: This invention refers to a paper having crossdirectional regions having increased basis weight. The paper of this invention is especially useful as a wrapping material for a smoking article. The paper may be produced by depositing additional material onto a moving base web in a papermaking machine. The additional material is deposited by means of a rotating drum containing a plurality of slits through which the additional material passes.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: December 12, 1995
    Assignee: Philip Morris Incorporated
    Inventors: Jeffery L. Allen, Gordon H. Bokelman, Navin Gautam, David J. Kraske, James L. Myracle, Jr., Robert M. Rogers, Edward B. Sanders
  • Smoking article wrapper for controlling burn rate and method for making same
    Patent number: 5417228
    Abstract: This invention relates to the control of the burn rate of a cigarette. The burn rate is controlled by the use of a paper wrapper to which regions of cellulosic material is applied and bonded. The cellulosic material is applied during a manufacturing step for the base paper wrapper, either off or on-line of the paper wrapper-forming machine.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: May 23, 1995
    Assignee: Philip Morris Incorporated
    Inventors: Sheryl D. Baldwin, Navin Gautam, Kenneth S. Houghton, Robert M. Rogers, Judith L. Ryder
  • Smoking article wrapper for controlling burn rate and method for making same
    Patent number: 5263999
    Abstract: This invention relates to the control of the burn rate of a cigarette. The burn rate is controlled by the use of a paper wrapper to which regions of cellulosic material is applied and bonded. The cellulosic material is applied during a manufacturing step for the base paper wrapper, either off or on-line of the paper wrapper-forming machine.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: November 23, 1993
    Assignee: Philip Morris Incorporated
    Inventors: Sheryl D. Baldwin, Navin Gautam, Kenneth S. Houghton, Robert M. Rogers, Judith L. Ryder