Method and apparatus for disposing of landfill produced pollutants
CA 1287273 C · Owner: Young, John David · Inventors: Fischer, Ernest A.; Young, John David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for disposing of noxious landfill produced leachate and gases are provided. The method basically comprises the steps of combusting at least a portion of the landfill produced gases with air in a first combustion zone to produce a stream of hot combustion products contacting the landfill produced leachate with the stream of hot combustion products to thereby vaporize a portion of the leachate and form a concentrated leachate residue and a composite gas stream, withdrawing the concentrated leachate residue, and then combusting the composite gas stream with additional air in a second combustion zone to convert noxious components remaining therein to non-polluting …
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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 August 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.