TREA

Christopher G. Hall

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  • Skeimersdale, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Powered air breathing apparatus
    • Patent number 11,707,638
    • Issue date Jul 25, 2023
    • 3M Innovative Properties Company
    • Albert F. Zwolinsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Powered air breathing apparatus
    • Patent number 10,695,592
    • Issue date Jun 30, 2020
    • 3M Innovative Properties Company
    • Albert F. Zwolinsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Breathing apparatus
    • Patent number 10,668,307
    • Issue date Jun 2, 2020
    • Scott Health & Safety Ltd.
    • Albert F. Zwolinsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Headgear support device having front-back adjustment
    • Patent number 9,427,040
    • Issue date Aug 30, 2016
    • Scott Health & Safety Limited
    • Sally Leyland
    • A42 - HEADWEAR
  • Information Patent Grant

    Improvements to powered air breathing apparatus
    • Patent number 9,387,299
    • Issue date Jul 12, 2016
    • Scott Health & Safety Ltd.
    • Albert F. Zwolinsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Blower unit for breathing mask
    • Patent number D687944
    • Issue date Aug 13, 2013
    • Scott Health & Safety Ltd.
    • Albert F. Zwolinsky
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Breathing mask
    • Patent number D668758
    • Issue date Oct 9, 2012
    • Scott Health & Safety Ltd.
    • Christopher G. Hall
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Breathing mask
    • Patent number D668327
    • Issue date Oct 2, 2012
    • Scott Health & Safety Ltd.
    • Christopher Sumner
    • D24 - Medical and laboratory equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    POWERED AIR BREATHING APPARATUS
    • Publication number 20230310907
    • Publication date Oct 5, 2023
    • 3M Innovative Properties Company
    • Albert F. ZWOLINSKY
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    POWERED AIR BREATHING APPARATUS
    • Publication number 20200276461
    • Publication date Sep 3, 2020
    • 3M Innovative Properties Company
    • Albert F. ZWOLINSKY
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    POWERED AIR BREATHING APPARATUS
    • Publication number 20180221691
    • Publication date Aug 9, 2018
    • 3M Innovative Properties Company
    • Albert F. ZWOLINSKY
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    POWERED AIR BREATHING APPARATUS
    • Publication number 20160317845
    • Publication date Nov 3, 2016
    • Scott Health & Safety LTD.
    • Albert F. Zwolinsky
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    IMPROVEMENTS TO POWERED AIR BREATHING APPARATUS
    • Publication number 20130319408
    • Publication date Dec 5, 2013
    • Albert F. Zwolinsky
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HEADGEAR SUPPORT DEVICE HAVING FRONT-BACK ADJUSTMENT
    • Publication number 20130205474
    • Publication date Aug 15, 2013
    • Scott Health & Safety Limited
    • Sally Leyland
    • A42 - HEADWEAR