Method and apparatus for thawing of ore or concentrate contained in a railroad car
CA 1262167 C · Owner: Noranda Ipco Inc. · Inventors: Ouimet, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and an apparatus for thawing ore or concentrate contained in a railroad car is disclosed. Current conducting electrodes are inserted in the ore or concentrate in the railroad car, and a voltage source is applied to the electrodes to cause a current of sufficient value to flow through the electrodes to produce heat and melt the ice around the electrodes.
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 October 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 3, 2006.
- 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.