Fuel grinding apparatus
CA 1183823 A · Owner: Williams, Robert M. · Inventors: Williams, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for preparing fuel for delivery to a boiler or place where it is burned in which a grinding mill and a particle sizing classifier are operated to deliver fuel of a substantially uniform size and means, operate the mill and classifier independently of the rate of supply of the fuel but in response to the differential pressure of the fluid bed depth in the mill.
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
- Granted March 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2002.
- 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.