Method and device for separating liquid/solid mixtures
CA 2101732 A1 · Owner: Guggemos, Horst · Inventors: Guggemos, Horst; Guggemos, Horst; Haslauer, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method and device for separating mixtures of liquid and solid materials by squeezing out or filtering off the liquid component. The mixture is divided into a multiplicity of adjacent or consecutive portions which are simultaneously and jointly compressed or reduced in size by the action of an external compressive force which is substantially the same for all portions and which acts in the direction in which the portions are disposed next to each other, and is propagated through all the portions. The solids in the portions are retained as filter cake while the liquid is squeezed out as filtrate. The invention calls for the filtrate squeezed out of the portions or out …
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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
- Filed January 29, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2014.
- 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.