Stacked indirect air heater with single path airflow
CA 1104448 A · Owner: Tioga Air Heaters Co. · Inventors: Muckelrath, Ernest R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An indirect air heater having a single airflow path the invention, provides apparatus capable of discharging large volumes of heated air either toward outdoor work areas or into indoor spaces. The present heater is disposed outdoors fresh air being taken into the heater and passed in heat exchanging contact with heated combustion products moving in a non-communicatlow within the heater. The heated fresh air is directed toward or into the space to be heated while the combustion products are vented to ambient.
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.