Ultrafiltration apparatus
CA 1320684 C · Owner: Advanced Module Technology, Inc. · Inventors: Niesen, Lawrence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ultrafiltration apparatus in which a plurality of support panels are arranged to form a stack with panel faces, each carrying a membrane for separating a base liquid into two fractions. Apertures are formed in the panels and the stack, is arranged so that these apertures are in registration to form ducts within the stack. Longitudinal ribs are formed in the panel faces, with longitudinal channels on either side of same. Transverse ribs are formed between adjacent longitudinal channels, with transverse channels between adjacent such ribs. Turbulence reduction flanges are inserted between selected panels within the stack to divide same into subassemblies which direct fluid flow from the …
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
- Granted July 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 27, 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.