Envirowaste conversion system
CA 2122399 A1 · Owner: Burkinshaw, Orville Victor · Inventors: Burkinshaw, Orville Victor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention was developed by combining a series of technologies to work in concert to convert wastes to useful commodities. A vast improvement over just moving waste to different locations. Combustible materials such as municipal garbage tires, plastic, paper, etc. are converted to gases in a high temperature, oxygen starved oven, that has proven capable of burning without emitting smoke or unacceptable emissions. The gases are burned in high temperature after-burners creating energy that is used to generate electricity and heat. In other words co-generation using tires and garbage for fuel. The Thermophilic Digester draws heat from the burner to create an ideal environment to enhance …
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 April 28, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 28, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 2016.
- 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.