Heat exchanger
CA 1304075 C · Owner: Hypermed Imaging Inc. · Inventors: Stenlund, Stig
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A neat exchanger for exchange of heat between two liquid media, of which at least one medium is contaminated and/or readily gives rise to deposits or coatings such as e.g. contaminated water, includes two flow chambers mutually separated by a common liquid-impervious partition wall. The partition wall is tubular with a substantially circular cross-sectional and open ends forming respectively an inlet and an outlet for a first media. The partition wall is surrounded by a cylindrical sleeve-like outer wall extending coaxially with the partition wall in spaced relationship therewith, and having its axial ends sealingly connected to the partition wall, and provided with an inlet and an outlet …
Read the whole patent
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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.