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David R. Knighton

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 10,507,012
    • Issue date Dec 17, 2019
    • MAQUET Cardiovascular LLC
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Use of moss to improve dental health
    • Patent number 9,795,809
    • Issue date Oct 24, 2017
    • Embro Corporation
    • Vance D. Fiegel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Turbulent flow devices and methods of use
    • Patent number 9,421,505
    • Issue date Aug 23, 2016
    • Creative Water Solutions, LLC
    • Benjamin Joseph Schaffer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Use of moss to reduce disinfection by-products in water treated wit...
    • Patent number 9,005,449
    • Issue date Apr 14, 2015
    • Embro Corporation
    • David R. Knighton
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 8,777,835
    • Issue date Jul 15, 2014
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 7,959,553
    • Issue date Jun 14, 2011
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Therapeutic device and system
    • Patent number 7,691,084
    • Issue date Apr 6, 2010
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Methods of treating water using devices for water treatment
    • Patent number 7,625,489
    • Issue date Dec 1, 2009
    • Embro Corporation
    • David R. Knighton
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Devices for water treatment
    • Patent number 7,625,486
    • Issue date Dec 1, 2009
    • Embro Corporation
    • David R. Knighton
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Devices for water treatment
    • Patent number 7,497,947
    • Issue date Mar 3, 2009
    • Embro Corporation
    • David R. Knighton
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Therapeutic device and system
    • Patent number 7,396,345
    • Issue date Jul 8, 2008
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 7,211,040
    • Issue date May 1, 2007
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus and method for vein removal
    • Patent number 7,066,875
    • Issue date Jun 27, 2006
    • Cardio Thoracic Systems, Inc.
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 6,705,986
    • Issue date Mar 16, 2004
    • Embro Corporation
    • Vance D. Fiegel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 6,558,313
    • Issue date May 6, 2003
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Therapeutic device and system
    • Patent number 6,551,280
    • Issue date Apr 22, 2003
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vein harvesting system and method
    • Patent number 6,511,494
    • Issue date Jan 28, 2003
    • Embro Corporation
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus and method for vein removal
    • Patent number 6,428,468
    • Issue date Aug 6, 2002
    • Cardiothoracic Systems, Inc.
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus for vein removal
    • Patent number 6,071,232
    • Issue date Jun 6, 2000
    • Embro Vascular L.L.C.
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus and method for vein removal
    • Patent number 5,772,576
    • Issue date Jun 30, 1998
    • Embro Vascular L.L.C.
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Endoscope and method for vein removal
    • Patent number 5,373,840
    • Issue date Dec 20, 1994
    • David R. Knighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents