Moisture monitoring system
CA 1281206 C · Owner: Itt Industries, Inc. · Inventors: Austin, Robert R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A moisture monitoring system for continuous flow gas lines, the system having an electrical heater with a salt impregnated sleeve thereabout, with noble metal contacts positioned on the sleeve excited by the AC output of a solid state oscillator and varying in resistance according to water vapor concentration in the gas surrounding the element with, a direct current control signal derived from the AC current to control the direct current to the heating element. A temperature responsive resistor in thermal relation with the heater provides an indication of the moisture content.
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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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.