Method and apparatus for recovery of spilled oil or other viscous fluid
CA 2747865 C · Owner: The Regents Of The University Of California · Inventors: Broje, Victoria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method, apparatus and system for increasing the recovery efficiency of spilled oil or any other viscous fluid. The surface of a rotatable oleophilic fluid recovery unit in an adhesion (oleophilic) skimmer or other recovery apparatus is patterned with a plurality of grooves configured for formation of menisci and pooling of fluid in the grooves when the surface contacts a viscous fluid. When the surface of the fluid recovery unit rotates out of (e.g. is withdrawn from) the body of viscous fluid an amount of the viscous fluid adheres to the patterned surface. A scraper is provided having a surface geometry that matches the surface geometry of the fluid recovery unit and allows the viscous …
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 April 18, 2006 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 18, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.