Distillation plant with a heat pump
CA 2218000 C · Owner: Meszaros, Istvan · Inventors: Meszaros, Istvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A distillation plant comprises a heat pump whose working fluid is compressed by means of a vapour jet compressor and a column including a stripper part as well as a collection location for a liquid in the stripper part with at, least a portion of the collected liquid being provided in the vaporised form as strip vapour. Connections are provided which lead from the collection location to a first and to a second vaporiser in which the liquid can be vaporised at an elevated pressure and at a reduced pressure respectively. The vapour jet compressor is connected to the two vaporisers and to the column in such a manner that the vapour from the second vaporiser can be compressed under a driving …
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
- Filed October 9, 1997 and granted March 27, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2019.
- 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.