Tower packing
CA 2109253 A1 · Owner: Cameron, Gordon M. · Inventors: Cameron, Gordon M.; Bhaga, Dahya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved tower saddle packing having a general shape that is a segment of a hollow torus. The circumferential outer edges of the saddle define a plurality of radially, outwardly extending convex lobes. The lobes and wing portions preferably have weep holes to effectual wetting of all surfaces of the saddle. The hub of the saddle has in one aspect a plurality of apertures extending substantially across the hub. The saddle provides improved gas-liquid interaction permits, enhanced gas throughput in an absorption tower and allows for reduced tower packing sections.
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 26, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 2015.
- 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.