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Expired Canadian patentCanada

Cross flow evaporative coil fluid cooling apparatus

CA 1289460 C · Owner: Cates, Robert E. · Inventors: Cates, Robert E.

CIPO record

Overview

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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 closed circuit evaporative fluid cooler/evaporative condenser utilizing a cross flow water-air fluid flow relationship is provided. An evaporative liquid recirculating system includes a liquid distribution spray assembly mounted above a bundle of fill sheets. A closed circuit fluid cooling/condensing heat exchanger is supported below the bundle of fill sheets. Each heat exchanger comprises a plurality of parallel coil circuits or modules, wherein the inlet of each coil circuit is at a higher elevation adjacent the air outlet side of the heat exchanger, and the fluid outlet manifold of each coil circuit is at the lowest elevation adjacent the air inlet side of the heat exchanger. This …

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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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 21, 1986
GrantedSeptember 24, 1991
Term endedSeptember 24, 2008
Patent numberCA 1289460 C
Classification (IPC)F28C1/14 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 21, 1986Patent grantedSep 24, 1991Term endedSep 24, 2008

Sources & verification

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