Process and device for in-service measurement of temperature in at least one cooking zone of a cooking area with a glass ceramic plate
CA 2226164 A1 · Owner: Kobrich, Holger · Inventors: Kobrich, Holger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for in-service measurement of temperature in at least one cooking zone of a cooking area with a glass ceramic plate based on an empirically derived correlation between the transmission of light through the glass ceramic plate in a wavelength range of the temperature that is typical of the respective glass ceramic material, with the steps: irradiation of the glass ceramic plate in the cooking zone from the inside toward the outside with light in the wavelength range of 700-1500 nm, with the light being reflected at the outer surface of the glass ceramic plate and passing through the glass ceramic plate a second time; detection of reflected light with a photocell generating a, …
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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 December 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 2019.
- 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.