Apparatus for filtration of liquids
CA 2571363 C · Owner: Brita Se · Inventors: Groess, Stefan; Guckes, Gunder; Walde, Hilmar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are an apparatus for filtering liquids and an associated filter cartridge (100) by means of which the throughput through the filter cartridge (100) can be reduced and adjusted in a simple manner. The inventive apparatus is characterized in that at least one throttling mechanism (200 200') is , disposed between the outlet (113) of the filter cartridge (100) and the outlet (17) of the reservoir (14).
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 April 27, 2005 and granted April 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 27, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.