Structured packing elements
CA 2176128 A1 · Owner: Mix, Thomas W. · Inventors: Mix, Thomas W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for changing contact between a first fluid having a predominate direction of flow and a second fluid comprises a layer, of material generally disposed in a plane that is aligned with the direction of flow. The layer has a plurality of rows of corrugations (28) projecting out of the plane for deflecting the fluids. Each row of corrugations is arranged in a diagonal (43 45) with respect to the direction, of flow so that an elongated vertex (40 44) of each corrugation in said row is offset from the elongated vertex (42 46) of an adjacent, corrugation in the row with respect to the diagonal. Among other advantages the offset, diagonally adjacent vertices are highly effective in …
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 25, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 25, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 25, 2016.
- 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.