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Expired Canadian patentCanada

Combined gasification and vitrification system

CA 2651920 C · Owner: Integrated Environmental Technologies, Llc · Inventors: Surma, Jeffrey E.; Batdorf, James A.

CIPO record

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Abstract From the Canadian patent

An optimized gasification/vitrification processing system having a gasification unit which converts organic materials to a hydrogen rich gas and ash in communication with a joule heated vitrification unit which converts the ash formed in the gasification unit into glass and a plasma which converts elemental carbon and products of incomplete combustion formed in the gasification unit into a hydrogen rich gas.

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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 June 29, 2006 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 29, 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.
FiledJune 29, 2006
GrantedSeptember 24, 2013
Term endedJune 29, 2026
Patent numberCA 2651920 C
Classification (IPC)C10J3/06 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 29, 2006Patent grantedSep 24, 2013Term endedJune 29, 2026

Sources & verification

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