Heat exchanger and method of operation
CA 1185966 A · Owner: The Dow Chemical Company · Inventors: Kosters, Peter H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The heat exchanger disclosed herein includes a head section and a heat exchanging section. The heat exchanging section consists of a bundle of inner conduits open at both ends, and a bundle of outer conduits open only at one end. The outer conduits enclose that part of the inner conduits within the heat exchanging section such that an annular space is defined between the conduits. In operation, a lower temperature fluid is introduced into the head section, which generally operates at low temperature and high pressure. The lower temperature fluid flows through the inner conduits into the heat exchanging section and returns to the head section through the annular spaces between the inner and …
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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 April 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2002.
- 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.