Pressure relief valve
CA 2537675 C · Owner: Orton, Reginald James Mckenzie · Inventors: Van Beurden, Jason Peter; Orton, Reginald James Mckenzie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure relief valve is disclosed that may be used as both an over pressure control , valve, preventing possible barotraumas to the patient; or as an overpressure control valve for a , breathing circuit preventing over pressures caused by blockages in a breathing circuit (supplying , breathing gases to a patient) with the potential to damage either the humidifier or the breathing , circuit. The pressure relief valve comprises a magnetic seating that is associated with an outlet , vent formed on a breathing assistance apparatus and a magnetic cover capable , of covering the seating and the outlet vent. The cover is held against the seating by a magnetic force between the , cover …
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 February 27, 2006 and granted December 30, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 27, 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.