Semi-convective forced air system having amplified air nozzles for heating low "e" coated glass
CA 2393024 A1 · Owner: Betz, Lawrence · Inventors: Thomas, Ernie; Betz, Lawrence
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A semi-convective forced air system for heating glass sheets during a heating cycle comprises a heating chamber having a length and a width at, least one heating element located within the heating chamber a conveyor, having a length and a width the conveyor extending lengthwise through the heating chamber, a compressed air source a plurality of air manifolds, positioned within the heating chamber and in fluid connection with the compressed air source, each of the air manifolds having a length and each, of the air manifolds being oriented parallel to the length of the conveyor and a plurality of nozzles mounted on each air manifold and in fluid connection with the air manifold for mixing …
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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 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 11, 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.