Particulate filtration apparatus and method
CA 2080980 A1 · Owner: Giuricich, Nicholas L. · Inventors: Giuricich, Nicholas L.; Kalen, Bodo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for separating particulate material from hot gas. Provisions are made for accommodating relative thermal expansion between a hot particular laden gas chamber, a particulate discharge chamber and a clean gas chamber. A main housing supports an interior subhousing supported from the top of the main housing while a further discharge chamber housing is supported from a lower part of the subhousing in such a manner that they are free to expand and contract independently of one another. Gas and particulate separators which are free from load bearing stresses are designed to receive the particulate laden gas and pass particulates to the particulate discharge …
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 October 20, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 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.