Camera insertion into a furnace
CA 2337244 A1 · Owner: Chambers, Robert D. · Inventors: Chambers, Robert D.; Miller, Dale R. Ii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A monitoring system for a furnace (5), such as one in which ceramic welding is practiced, where the temperature often exceeds 2000 ~F allows substantially , distortion-free real time, monitoring. In order to monitor the furnace a , fluid cooled lance (10) designed to be held by an operator outside the furnace has a camera (13) (e.g. microcamera, endoscope or boroscope) mounted at the free end (12) of the lance. An electrical connection (18) is provided between the camera and a portable control unit (20) mounted exteriorly of the furnace. A stationary video monitor (25) and recorder (26) may be mounted in the control unit (20), and a portable real time video monitor (28) is mounted on …
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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 July 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 14, 2021.
- 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.