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Expired Canadian patentCanada

Cyclone separator including a hopper formed by water-steam cooled walls

CA 1329150 C · Owner: Seshamani, Venkatraman · Inventors: Seshamani, Venkatraman

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Abstract of the Disclosure, A cyclone separator formed by a plurality of parallel tubes. A portion of the tubes form a cylinder a portion, are bent radially inwardly to form a roof and a portion are bent to form a hopper. Water is passed through tubes to cool the separator.

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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 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 26, 1989
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329150 C
Classification (IPC)B01D45/12 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedSep 26, 1989Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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