Patent Yard Sign in
Expired Canadian patentCanada

Electromechanical regulator with primary and backup modes of operation for regulating passenger oxygen

CA 2615967 C · Owner: Frampton, Robert Frederick · Inventors: Frampton, Robert Frederick

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

The electromechanical regulator for passenger oxygen is a hybrid oxygen regulator that provides for electronic or mechanical regulation of oxygen flow. The electronic portion of the regulator consists of an inlet solenoid valve, an outlet solenoid valve, a cabin pressure transducer a regulated , output transducer and a PID based controller and the solenoid valves are , normally biased so that in the event of an electronic system failure or a power supply failure the system will automatically revert to mechanical operation.

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 July 21, 2006 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 21, 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.
FiledJuly 21, 2006
GrantedJanuary 28, 2014
Term endedJuly 21, 2026
Patent numberCA 2615967 C
Classification (IPC)F16K17/36

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 21, 2006Patent grantedJan 28, 2014Term endedJuly 21, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.