Candle filter element
CA 2379426 A1 · Owner: Muller, Patrick · Inventors: Muller, Patrick; Schumacher, Ivo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a candle filter element for assembly in a pressurized container, consisting of a support body disposed around a central tube (3) having a closed surface, on which a filter cloth (5) is stretched wherein the , support body is embodied in the form of a multi-lobed sheath element (4). The sheath element (4) can be firmly connected to the central tube. The improvement consists of a simpler construction and better and more complete cleaning during backwashing of the candle filter.
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 September 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 2021.
- 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.