Filter-device and a filter-appliance from such filter-device
CA 1315668 C · Owner: Simmerlein-Erlbacher, Ewald Wilhelm · Inventors: Simmerlein-Erlbacher, Ewald Wilhelm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter-device and a filter-appliance from such filter devices. A B S T R A C T. A description is given of a filter-device for filtering particles from a gaseous medium, the said device comprising a substrate (22) and a filter-bed provided thereon. The filter-bed is a filter-fluid (36) which wets the said substrate. At least one such filter-device (20) is arranged to form a filter-appliance (10) in a housing (12). The said housing has an inlet-aperture (14) and an outlet-aperture (16) for the medium to be filtered. In order to ensure that the gas-permeable substrate (22) in the at least one filter-device (20) of the filter-appliance (10) is adequately wetted by the filter-fluid (36) the …
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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
- Granted April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.