Combustible gas analyzer
CA 1162418 A · Owner: Honeywell Inc. · Inventors: Szonntagh, Eugene L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 04-4261-U.S. APPLICATION OF, EUGENE L. SZONNTAGH COMBUSTIBLE GAS ANALYZER, ABSTRACT, A combustible gas analyzer for determining the Wobbe Index of a combustible gas uses a constant pressure combustible gas supp1y and constant flow rate air supply to provide air and gas for combustion. The air is supplied directly to be mixed with the combustible gas while the gas is passed through a variable orifice or valve before mixing with the air supply. A zirconium oxide detector is arranged to measure the oxygen content of the combustion products to enable a predetermined oxygen level to be reached. The valve is operated by a valve control response to the output of the zirconium oxide detector …
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 February 21, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 21, 2001.
- 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.