Combustion method and apparatus
CA 2103104 A1 · Owner: Gredley, Paul · Inventors: Gredley, Paul; Chapman, Robert David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for incinerating waste material comprising means (32) for feeding waste material in batches to a main combustion region (29) burners (26, 28) for burning said batches thereby to form gaseous combustion products, a secondary combustion region (30) for burning combustibles in said combustion products means (40) for supplying oxygen, to said secondary combustion region to support combustion and means (56) for controlling the supply of oxygen. The quantity of oxygen supplied being altered as a function of monitored concentration of a least one component of the combustion product or the flue gas thereby to compensate for the variation in calorific value of different batches of waste.
Read the whole patent
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 November 15, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2015.
- 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.