Process and apparatus for heating steam formed from cooling water
CA 1309907 C · Owner: Shell Canada Limited · Inventors: Lameris, Herman Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Steam is generated from cooling water in a heat exchanger for hot gases. Subsequently the steam is superheated by the gases to be cooled. This process is carried out by providing submerged watertube superheater modules in, for example a waste heat boiler/-, evaporator. Fig. 1a EIRH04
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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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.