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David William Spencer

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  • Enfield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device with flow rate indicator
    • Patent number 11,076,774
    • Issue date Aug 3, 2021
    • Clement Clarke International Ltd.
    • David Spencer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drug delivery inhaler devices
    • Patent number 11,013,871
    • Issue date May 25, 2021
    • Clement Clarke International Ltd.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Training device
    • Patent number 10,665,132
    • Issue date May 26, 2020
    • CLEMENT CLARKE INTERNATIONAL LIMITED
    • Ronald John Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drug delivery inhaler devices
    • Patent number 9,962,508
    • Issue date May 8, 2018
    • CLEMENT CLARKE INTERNATIONAL, LTD.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Spacer for inhaler
    • Patent number D797922
    • Issue date Sep 19, 2017
    • Clement Clarke International Limited
    • Mark Sanders
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Spacer for inhaler
    • Patent number D778432
    • Issue date Feb 7, 2017
    • Clement Clarke International Limited
    • Mark Sanders
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Drug delivery inhaler devices
    • Patent number 9,427,534
    • Issue date Aug 30, 2016
    • Clement Clarke International Ltd.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Spacer for inhaler
    • Patent number D744636
    • Issue date Dec 1, 2015
    • Clement Clarke International Limited
    • Mark Sanders
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Ventilatory capacity meters
    • Patent number 6,626,846
    • Issue date Sep 30, 2003
    • Clement Clarke International Ltd.
    • David William Spencer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation testing method and means
    • Patent number 6,238,352
    • Issue date May 29, 2001
    • Clement Clarke International, Ltd.
    • Robert Gillings
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE WITH FLOW RATE INDICATOR
    • Publication number 20200197635
    • Publication date Jun 25, 2020
    • CLEMENT CLARKE INTERNATIONAL LIMITED
    • David SPENCER
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DEVICE WITH FLOW RATE INDICATOR
    • Publication number 20200146591
    • Publication date May 14, 2020
    • CLEMENT CLARKE INTERNATIONAL LTD.
    • David SPENCER
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DEVICE WITH FLOW RATE INDICATOR
    • Publication number 20190069806
    • Publication date Mar 7, 2019
    • CLEMENT CLARKE INTERNATIONAL LTD.
    • David SPENCER
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DRUG DELIVERY INHALER DEVICES
    • Publication number 20180221602
    • Publication date Aug 9, 2018
    • CLEMENT CLARKE INTERNATIONAL LTD.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Drug Delivery Inhaler Devices
    • Publication number 20160354565
    • Publication date Dec 8, 2016
    • CLEMENT CLARKE INTERNATIONAL LTD.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Training Device
    • Publication number 20160049096
    • Publication date Feb 18, 2016
    • CLEMENT CLARKE INTERNATIONAL LIMITED
    • Ronald John Bruin
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Drug Delivery Inhaler Devices
    • Publication number 20140007867
    • Publication date Jan 9, 2014
    • CLEMENT CLARKE INTERNATIONAL LTD.
    • Ronald Bruin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Ventilatory capacity meters
    • Publication number 20020049388
    • Publication date Apr 25, 2002
    • Clement Clarke International Limited
    • David William Spencer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE