Patents by Inventor Gene E. Tharp

Gene E. Tharp 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).

  • Tufted carpet
    Patent number: 5055333
    Abstract: A tufted carpet having a backing which has thereon a plurality of first areas of tufts of fine denier fibers and a plurality of second areas of tufts of at least one looped, uncrimped, coarse denier fiber. Preferred patterns for the areas of tufts are alternating stripes or a checkerboard.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: October 8, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard F. Heine, Gene E. Tharp
  • Tufted carpet with tufts of fine fibers and tufts of crimped coarse fibers
    Patent number: 4820566
    Abstract: A tufted carpet having a backing which has thereon a plurality of tufts of fine denier fibers and a plurality of tufts of stiff, crimped, coarse denier fibers. A preferred pattern of tufts is alternate stripes or a checkerboard of areas consisting essentially of tufts of one type of fiber in an area.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: April 11, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard F. Heine, Gene E. Tharp
  • Disposable filter for a vacuum cleaner
    Patent number: 4589894
    Abstract: A vacuum cleaner disposable filter, preferably in the form of a closed container having an inlet for connection to the air discharge outlet of a vacuum cleaner, comprises an assembly of layers including an inner filter layer provided by a non-woven micro-fiber web formed of randomly entangled synthetic polymeric micro-fibers and highly porous outer support layers each preferably comprising spun-bonded non-woven webs on either side of the inner layer.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: May 20, 1986
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Vincent M. Gin, Gene E. Tharp