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Expired Canadian patentCanada

Distribution flume for water cooling tower

CA 1236393 A · Owner: The Marley Cooling Tower Company · Inventors: Bugler, Thomas W. Iii; Randall, James D.

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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 mechanical draft crossflow cooling tower is provided with a novel hot water distribution structure which overlies a fill assembly. The distribution structure includes a basin which extends horizontally along the length of the fill assembly and the basin bottom is provided with a plurality of metering nozzles for directing the flow evenly across the top face of the fill assembly. Additionally a flume is located within the confines of the basin and extends horizontally along the length of the latter in spaced disposition from the basin bottom. The flume has opposed sidewalls which are operable as weirs such that the water is evenly directed to all areas of the basin. As such the, static …

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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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 27, 1986
GrantedMay 10, 1988
Term endedMay 10, 2005
Patent numberCA 1236393 A
Classification (IPC)F28F25/04 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 27, 1986Patent grantedMay 10, 1988Term endedMay 10, 2005

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