TREA

Risto Virtanen

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  • Nurmij/a/ rvi, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inhalation device
    • Patent number 7,143,764
    • Issue date Dec 5, 2006
    • Astrazeneca AB
    • Allan Dagsland
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation device
    • Patent number 6,484,717
    • Issue date Nov 26, 2002
    • Astra Aktiebolag
    • Allan Dagsland
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation device
    • Patent number 6,446,626
    • Issue date Sep 10, 2002
    • Astra Aktiebolag
    • Risto Virtanen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation device
    • Patent number 6,328,032
    • Issue date Dec 11, 2001
    • Astra Aktiebolag
    • Risto Virtanen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dry powder inhaler with cover
    • Patent number D441446
    • Issue date May 1, 2001
    • Astra Aktiebolag
    • Allan Dagsland
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Inhalation device
    • Patent number 6,142,145
    • Issue date Nov 7, 2000
    • Astra Aktiebolag
    • Allan Dagsland
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation device
    • Patent number 6,095,136
    • Issue date Aug 1, 2000
    • Astra Aktiebolag
    • Risto Virtanen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dry powder inhaler with cover
    • Patent number D417912
    • Issue date Dec 21, 1999
    • Astra Aktiebolag
    • Allan Dagsland
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Dry powder inhaler with cover
    • Patent number D417732
    • Issue date Dec 14, 1999
    • Astra Aktiebolag
    • Allan Dagsland
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Dosage inhalator with indicating/interrupting means
    • Patent number 5,549,101
    • Issue date Aug 27, 1996
    • Astra Aktiebolag
    • Eva A. Trofast
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Device in powder inhalators
    • Patent number 4,907,583
    • Issue date Mar 13, 1990
    • Aktiebolaget Draco
    • Kjell I. L. Wetterlin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Indicating means for a dosage dispensing device
    • Patent number 4,668,218
    • Issue date May 26, 1987
    • Aktiebolaget Draco
    • Risto Virtanen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Aerosol inhalation device
    • Patent number 4,641,644
    • Issue date Feb 10, 1987
    • Aktiebolaget Draco
    • Jan A. R. Andersson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Medical aerosol inhalation device
    • Patent number D276847
    • Issue date Dec 18, 1984
    • Aktiebolaget Draco
    • Sven G. Nyman
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical aerosol inhalation device
    • Patent number D276654
    • Issue date Dec 4, 1984
    • Aktiebolaget Draco
    • Kaija A. Snellman-Wasenius
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Closing means for a container, tube or the like
    • Patent number 4,361,243
    • Issue date Nov 30, 1982
    • Perlos Oy
    • Risto Virtanen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL