Apparatus for transmission of heat between different liquid media
CA 1309708 C · Owner: Stubinen Utveckling Ab · Inventors: Ahlberg, Gunilla
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus is disclosed for transfer of heat between different liquid media, such as for example sludge, sewage water, industrial process water or the like. The apparatus allows the transfer of heat between two polluted media, from a polluted medium to a clean medium or vice versa. A number of generally planar parallel panels (A) are disposed one above the other. Suitably disposed partitions (I) form intermediate sinuous ducts (B). The ducts can be arranged in parallel or in series. They can be of a variable dimension depending on instant placement and number of partitious determining the cross-sectional area of the duct. Hot and cold medium ducts (C, D, respectively) are arranged such that …
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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
- Granted November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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.