Resistor-type solid electrolyte oxygen sensor
CA 1104654 A · Owner: Westinghouse Electric Corporation · Inventors: Isenberg, Arnold O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
46,565, RESISTOR-TYPE SOLID ELECTROLYTE OXYGEN SENSOR, ABSTRACT OF THE DISCLOSURE An oxygen sensor consisting of an oxygen ion conductive solid electrolyte member coated with a porous cermet structure which exhibits a metallic and ceramic skeleton develops a resistance change in response to a change in oxygen partial pressure at elevated temperatures. The resistance change, when coupled to an electrical circuit provides an electrical indication of the oxygen partial pressure of the atmosphere contacting the oxygen sensor.
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 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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.