Improved distillation apparatus
CA 2300471 A1 · Owner: Land, Glenn E. · Inventors: Land, Glenn E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous-flow water distiller includes a housing having a removable heating vessel, which receives water to be distilled. A heater is immersed within the water in the vessel for, producing steam. The housing includes an openable lid which when closed, seals the heating, vessel so that steam can be directed through an outlet into a condenser located in the housing. Raw water is supplied to the heating vessel through a heat exchanger to preheat the raw water by, effectively utilizing thermal energy recovery to initiate cooling of the steam, and distillate is, supplied through the condenser to enhance heat exchange.
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 March 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 10, 2022.
- 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.