Hood for coke oven ejection
CA 1055871 A · Owner: Hartung, Kuhn And Co. Maschinenfabrik G.M.B.H. · Inventors: Riecker, Johann G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement for extracting a noxious gas-air mixture which ascends from coke during ejection of the coke from an oven chamber of a battery of coke ovens comprises a hood for connection to an extraction system and movable along the battery in the longitudinal direction thereof. At least one baffle attached to the hood is adapted to extend in the longitudinal direction.
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 June 5, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
- 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.