TREA

David K. Walker

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  • Waynesburg, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRA RAPID CYCLE PORTABLE OXYGEN CONCENTRATOR
    • Publication number 20230372658
    • Publication date Nov 23, 2023
    • SEPARATION DESIGN GROUP IP HOLDINGS, LLC
    • Stephen Douglas GALBRAITH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ULTRA RAPID CYCLE PORTABLE OXYGEN CONCENTRATOR
    • Publication number 20200139069
    • Publication date May 7, 2020
    • SEPARATION DESIGN GROUP IP HOLDINGS, LLC
    • Stephen Douglas GALBRAITH
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ULTRA RAPID CYCLE PORTABLE OXYGEN CONCENTRATOR
    • Publication number 20200069903
    • Publication date Mar 5, 2020
    • SEPARATION DESIGN GROUP IP HOLDINGS, LLC
    • Stephen Douglas GALBRAITH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PORTABLE OXYGEN ENRICHMENT DEVICE AND METHOD OF USE
    • Publication number 20170021302
    • Publication date Jan 26, 2017
    • SEPARATION DESIGN GROUP LLC
    • STEPHEN DOUGLAS GALBRAITH
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Electronic E-Cylinder
    • Publication number 20150238721
    • Publication date Aug 27, 2015
    • Vetland Medical Sales and Services, LLC
    • Bradley D. Rumph
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Portable Oxygen Enrichment Device and Method of Use
    • Publication number 20150104524
    • Publication date Apr 16, 2015
    • SEPARATION DESIGN GROUP LLC
    • Stephen Douglas Galbraith
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Ultra Rapid Cycle Portable Oxygen Concentrator
    • Publication number 20150101603
    • Publication date Apr 16, 2015
    • SEPARATION DESIGN GROUP LLC
    • Stephen Douglas Galbraith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Portable Oxygen Enrichment Device and Method of Use
    • Publication number 20130216627
    • Publication date Aug 22, 2013
    • Stephen Douglas Galbraith
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Ultra Rapid Cycle Portable Oxygen Concentrator
    • Publication number 20120192864
    • Publication date Aug 2, 2012
    • SEPARATION DESIGN GROUP LLC
    • Stephen Douglas Galbraith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE