Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same
CA 1099217 A · Owner: American Air Filter Company, Inc. · Inventors: Revell, Alan E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A discharge apparatus for removing granular filter material from a filter housing includes a gas treating material conveying channel disposed within a filter housing and extending across the housing proximate the bottom thereof. The opposite ends of the channel are attached to opposite walls of the filter housing and the channel interior is open to the interior of the filter housing only along its longitudinal sides. A conveying gas inlet aperture is formed through one housing wall opening into the interior of the channel at one of its ends and a gas, treating material and conveying gas outlet aperture is formed through the opposite housing wall opening into the interior of the channel at …
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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 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 1998.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.