Polytetrafluoroethylene

Patents Grantslast 30 patents

  • Information Patent Grant

    Soft polymer dental strip and process therefor

    • Patent number 5,975,906
    • Issue date Nov 2, 1999
    • Eric J. Knutson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Textured high density PTFE medical barrier

    • Patent number 5,957,690
    • Issue date Sep 28, 1999
    • Barry K. Bartee
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Surface modified porous expanded polytetrafluoroethylene and proces...

    • Patent number 5,462,781
    • Issue date Oct 31, 1995
    • W. L. Gore & Associates, Inc.
    • Stanislaw L. Zukowski
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Surface modified porous expanded polytetrafluoroethylene and proces...

    • Patent number 5,437,900
    • Issue date Aug 1, 1995
    • W. L. Gore & Associates, Inc.
    • Stanislaw L. Kuzowski
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Biomedical tube holding device

    • Patent number 5,411,484
    • Issue date May 2, 1995
    • Bruce T. Shattuck
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method and appliance for promoting the healing of oral tissues

    • Patent number 5,360,341
    • Issue date Nov 1, 1994
    • Paul N. Abramowitz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Elastomer-ePTFE biopsy channel

    • Patent number 4,875,468
    • Issue date Oct 24, 1989
    • Welch Allyn, Inc.
    • Allan I. Krauter
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Porous structure of polytetrafluoroethylene and process for product...

    • Patent number 4,713,070
    • Issue date Dec 15, 1987
    • Sumitom Electric Industries, Ltd.
    • Hiroshi Mano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tissue expander system

    • Patent number 4,685,447
    • Issue date Aug 11, 1987
    • PMT Corporation
    • Alfred A. Iversen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Tubing organizer

    • Patent number 4,639,980
    • Issue date Feb 3, 1987
    • Hall Surgical, Division of Zimmer, Inc.
    • Drew Peterson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Implantable electrode lead with microporous insulation

    • Patent number 4,573,480
    • Issue date Mar 4, 1986
    • Siemens Aktiengesellschaft
    • Jakub Hirschberg
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Implantable catheters with non-adherent contacting polymer surfaces

    • Patent number 4,536,179
    • Issue date Aug 20, 1985
    • University of Minnesota
    • Michael H. Anderson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Impermeable laminate membrane

    • Patent number 4,413,359
    • Issue date Nov 8, 1983
    • Koken Co., Ltd.
    • Taichiro Akiyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vascular prostheses composed of polytetrafluoroethylene and process...

    • Patent number 4,208,745
    • Issue date Jun 24, 1980
    • Sumitomo Electric Industries, Ltd.
    • Koichi Okita
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Porous polytetrafluoroethylene tubings and process of producing them

    • Patent number 4,082,893
    • Issue date Apr 4, 1978
    • Sumitomo Electric Industries, Ltd.
    • Koichi Okita
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Chromatographic septum having polyimide coating

    • Patent number 4,066,183
    • Issue date Jan 3, 1978
    • L. C. Company, Inc.
    • Nelson W. Armstrong
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3909852

    • Patent number 3,909,852
    • Issue date Oct 7, 1975
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3902198

    • Patent number 3,902,198
    • Issue date Sep 2, 1975
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3805300

    • Patent number 3,805,300
    • Issue date Apr 23, 1974
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3799158

    • Patent number 3,799,158
    • Issue date Mar 26, 1974
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3722003

    • Patent number 3,722,003
    • Issue date Mar 27, 1973
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3669095

    • Patent number 3,669,095
    • Issue date Jun 13, 1972
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3398738

    • Patent number 3,398,738
    • Issue date Aug 27, 1968
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3369550

    • Patent number 3,369,550
    • Issue date Feb 20, 1968
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3353531

    • Patent number 3,353,531
    • Issue date Nov 21, 1967
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3231460

    • Patent number 3,231,460
    • Issue date Jan 25, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3203829

    • Patent number 3,203,829
    • Issue date Aug 31, 1965
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3176316

    • Patent number 3,176,316
    • Issue date Apr 6, 1965
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3097649

    • Patent number 3,097,649
    • Issue date Jul 16, 1963
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3094762

    • Patent number 3,094,762
    • Issue date Jun 25, 1963
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE