TREA

Wei Li

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  • Salem, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of making hollow filaments
    • Patent number 6,120,718
    • Issue date Sep 19, 2000
    • BASF Corporation
    • Richard Kotek
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Mixed cross-section carpet yarn
    • Patent number 5,512,367
    • Issue date Apr 30, 1996
    • BASF Corporation
    • Gerry A. Hagen
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Mixed cross-section carpet yarn
    • Patent number 5,489,475
    • Issue date Feb 6, 1996
    • BASF Corporation
    • Gerry A. Hagen
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Mixed cross-section carpet yarn
    • Patent number 5,486,417
    • Issue date Jan 23, 1996
    • BASF Corporation
    • Gerry A. Hagen
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Mixed cross-section carpet yarn
    • Patent number 5,413,857
    • Issue date May 9, 1995
    • BASF Corporation
    • Jerry A. Hagen
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Apparatus for changing both number and size of filaments
    • Patent number 5,397,227
    • Issue date Mar 14, 1995
    • BASF Corporation
    • John A. Hodan
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING