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Expired Canadian patentCanada

Housing for duct-mounted turbine-generator assemblies

CA 1051749 A · Owner: Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktienges Ellschaft · Inventors: Ziegler, Gerhard

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A central assembly includes a shaft a, generator and a water turbine which are axially spaced apart and non-rotatably connected to said shaft and, bearing means for said shaft. A housing assembly is mounted or adapted to be mounted in a duct structure which defines a flow passage. The housing assembly comprises a shell, which surrounds or is adapted to surround said central assembly so that said turbine is adapted to receive water from said flow/passage at, least two arms, each of which projects radially from said shell and has an outer end which is anchored or adapted to be anchored in said duct structure and an, inner and disposed inside said shell a plurality of, apars, each of which …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted April 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 3, 1979
Term endedApril 3, 1996
Patent numberCA 1051749 A
Classification (IPC)F03B3/04

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 3, 1979Term endedApril 3, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.