Integrated collector-heat transfer unit
CA 2326558 A1 · Owner: Dienhart, Bernd · Inventors: Mittelstrass, Hagen; Dienhart, Bernd; Staffa, Karl-Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an integrated collector-heat transfer unit comprising a collector housing (1) in which a collector chamber (2) and a heat transfer unit having two separate heat transfer channels (5 6) are located, said channels being disposed in thermal contact with one another wherein one , of the heat transfer channels (5) is part of a first flow channel extending from an inlet to an outlet in the housing of the collector and has a helical extension while the other heat transfer channel (6) is part of a second flow channel extending in-between the collector chamber and a connection of the housing. According to the invention, the second heat transfer channel (6) also has 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 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 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.