TREA

Maija Virta

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  • Hamina, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Supply air terminal device
    • Patent number 7,000,688
    • Issue date Feb 21, 2006
    • Halton Oy
    • Pekka Horttanainen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Supply air terminal device
    • Patent number 6,715,538
    • Issue date Apr 6, 2004
    • Halton Oy
    • Pekka Horttanainen
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Supply Air Unit
    • Publication number 20130035029
    • Publication date Feb 7, 2013
    • Halton Oy
    • Mika Ruponen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Supply air terminal device
    • Publication number 20020062948
    • Publication date May 30, 2002
    • HALTON OY
    • Pekka Horttanainen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Supply air terminal device
    • Publication number 20020056545
    • Publication date May 16, 2002
    • HALTON OY
    • Pekka Horttanainen
    • F24 - HEATING RANGES VENTILATING