Electric arc furnace steelmaking
CA 2583507 C · Owner: Hayman, Christopher Martin · Inventors: Hayman, Christopher Martin; Weber, Stephan Heinz Josef Victor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Efficient coordination of processing (by desulphurising) and moving hot metal from a direct smelter, producing hot metal on a continuous basis to an , electric arc furnace or furnaces operating on a batch basis, is disclosed. The invention includes the use of hot metal storage devices such as ladles, that are large enough to supply hot metal for a small number preferably two , or three, of electric arc furnace batch operations.
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 October 10, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.