Pyrometer
CA 2461264 A1 · Owner: Hanse, Eric · Inventors: Hanse, Eric; Van Der Maat, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an apparatus for measuring the temperature of a molten bath comprising a) a refractory mounting sleeve ( 1,1') having an outer surface (2) for contacting the molten bath and an inner cavity (3) said inner , cavity having an inner surface (4) an outer opening (6) and an inner closed end (5); and b) an optical pyrometer (7) attached to the mounting sleeve and adapted to measure the thermal radiation emitted by a measurement zone (10) located inside the inner cavity of the mounting sleeve and under the molten bath level. The inner cavity outer opening (6) is adapted to receive fixedly the optical pyrometer (7). The apparatus is characterized in that the mounting …
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 September 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2024.
- 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.