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Ralf Blackstone

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  • Clearwater, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anesthetic nerve block and method
    • Patent number 12,070,454
    • Issue date Aug 27, 2024
    • PFOF LLC
    • Howard L. Howell
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Anesthetic nerve block and method
    • Patent number 11,890,422
    • Issue date Feb 6, 2024
    • PFOF LLC
    • Howard L. Howell
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Microenvironmental cooling system
    • Patent number 10,337,761
    • Issue date Jul 2, 2019
    • Ralf W. Blackstone
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Bladeless fluid propulsion pump
    • Patent number 8,784,035
    • Issue date Jul 22, 2014
    • Ralf W. Blackstone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air cooling device
    • Patent number 7,266,965
    • Issue date Sep 11, 2007
    • Ralf W. Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air cooling device
    • Patent number 7,266,966
    • Issue date Sep 11, 2007
    • Ralf Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air cooling device
    • Patent number 6,993,930
    • Issue date Feb 7, 2006
    • Ralf Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air cooling device
    • Patent number 6,971,249
    • Issue date Dec 6, 2005
    • Ralf Blackstone
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Air cooling device
    • Patent number 6,901,769
    • Issue date Jun 7, 2005
    • Ralf Blackstone
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Air cooling device
    • Patent number 6,571,574
    • Issue date Jun 3, 2003
    • Ralf W. Blackstone
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    ANESTHETIC NERVE BLOCK AND METHOD
    • Publication number 20230355916
    • Publication date Nov 9, 2023
    • PFOF LLC
    • Howard L. Howell
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BLADELESS FLUID PROPULSION PUMP
    • Publication number 20160115968
    • Publication date Apr 28, 2016
    • Ralf W. Blackstone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLADELESS FLUID PROPULSION PUMP
    • Publication number 20150078883
    • Publication date Mar 19, 2015
    • Ralf W. Blackstone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICROENVIRONMENTAL COOLING SYSTEM
    • Publication number 20120011873
    • Publication date Jan 19, 2012
    • Ralf W. Blackstone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    BLADELESS FLUID PROPULSION PUMP
    • Publication number 20110038707
    • Publication date Feb 17, 2011
    • Ralf W. Blackstone
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COOLING DEVICE
    • Publication number 20100154454
    • Publication date Jun 24, 2010
    • Ralf W. Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air cooling device
    • Publication number 20090044932
    • Publication date Feb 19, 2009
    • Ralf W. Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air cooling device
    • Publication number 20080066484
    • Publication date Mar 20, 2008
    • Ralf W. Blackstone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Air cooling device
    • Publication number 20050178138
    • Publication date Aug 18, 2005
    • Ralf Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air cooling device
    • Publication number 20050016199
    • Publication date Jan 27, 2005
    • Ralf W. Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air cooling device
    • Publication number 20040168459
    • Publication date Sep 2, 2004
    • Ralf Blackstone
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Air cooling device
    • Publication number 20040011073
    • Publication date Jan 22, 2004
    • Ralf Blackstone
    • F24 - HEATING RANGES VENTILATING