Counterflow film cooled wall
CA 2551218 C · Owner: Shapiro, Jason David · Inventors: Shapiro, Jason David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A turbine wall (28) includes opposite back and front sides (30,32). Film cooling holes (1-5) are inclined longitudinally through the wall. Adjacent holes (1-4) are spaced laterally apart and are inclined oppositely for channeling cooling air (16) therethrough in counterflow.
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 June 29, 2006 and granted September 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 29, 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.