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Expired Canadian patentCanada

Method and apparatus for cleaning a coke-oven door

CA 2618153 C · Owner: Hoven, Ralf · Inventors: Cyris, Friedrich-Wilhelm; George, Jurgen; Hoven, Ralf

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

The invention relates to a method and a device for cleaning the door of a coke oven, said door comprising a sealing edge and a membrane that is attached to the door panel of the coke oven. According to said method cleaning tools , comprising jet nozzles which are supplied with a flow medium at high pressure, are situated and displaced back and forth in the region between the sealing edge and the door panel of the coke oven in such a way that the , interior surface of the membrane and the sealing edge are cleaned. The coke oven door is cleaned directly after the coke oven chamber is opened by at , least one jet nozzle element, which is supplied with compressed air and is displaced …

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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

  • Filed August 7, 2006 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 7, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 7, 2006
GrantedDecember 3, 2013
Term endedAugust 7, 2026
Patent numberCA 2618153 C
Classification (IPC)C10B43/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 7, 2006Patent grantedDec 3, 2013Term endedAug 7, 2026

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