Patents for F23J 11 - Devices for conducting smoke or fumes, e.g. flues (1,444)
02/1985
02/05/1985US4497439 For use with a chimney and a furnace
06/1984
06/27/1984EP0111519A1 Chimney flue with ventilator means
05/1984
05/22/1984CA1167723A1 Venting system
05/08/1984CA1166950A1 Catalytic gas-fired furnace system and method
04/1984
04/24/1984US4444128 Heat generator
01/1984
01/19/1984WO1984000188A1 Chimney flue with ventilator means
11/1983
11/30/1983EP0095003A2 Heat recovery system for a furnace
11/01/1983US4412523 High thermal efficiency and low emission
11/01/1983CA1156112A1 Heat extractor
06/1983
06/08/1983EP0080542A1 Improved heat generator
05/1983
05/26/1983WO1983001827A1 Improved heat generator
05/11/1983EP0078612A1 Smoke extraction device
04/1983
04/27/1983EP0077434A1 Process for mixing streams of flue gases
11/1982
11/16/1982US4359362 Method and apparatus for preventing generation of smoke from coke ovens
05/1982
05/11/1982CA1123351A1 Gas cleaning
03/1982
03/09/1982US4318392 Catalytic gas-fired furnace system and method
02/1982
02/23/1982CA1118758A1 Cooling device for hot gases pipes
12/1981
12/01/1981CA1113449A1 Process and apparatus for the cooling of gas pipe bends
06/1981
06/16/1981US4273074 Cooling device for hot gases in pipes
06/02/1981CA1102303A1 Method and ducting system for hot gas heat recovery
03/1981
03/17/1981CA1097531A1 Adjustable smoke extraction assembly
03/03/1981US4253821 Method and ducting system for hot gas heat recovery
01/1981
01/20/1981US4245568 Roof baffles for fluework transporting dust-laden gases
01/13/1981US4244421 Process and an apparatus for cooling of waste gas bends
11/1980
11/18/1980CA1089733A1 Chimney section
08/1980
08/26/1980US4219342 Pollution control system
05/1980
05/20/1980US4203356 Baffle for gas heater vents
02/1980
02/12/1980US4187833 Venting system for gas-fired heating plants
01/1980
01/15/1980US4183307 Pollution controlled incineration system
09/1979
09/11/1979US4167146 Trash incinerating oven
07/1979
07/11/1979EP0002701A1 Air louver for an exhaust air duct
09/1978
09/12/1978CA1038160A1 Exhaust system for steel-making plant
04/1978
04/04/1978US4082322 Chimney construction for heating fixtures
03/1978
03/28/1978US4080932 Industrial boilers
11/1977
11/08/1977US4057075 Separator, especially for chimneys
07/1977
07/05/1977US4033269 Method and apparatus for controlling gas flow
06/1977
06/28/1977US4031819 Apparatus for collecting and conveying of fumes from a furnace
06/28/1977US4031631 Apparatus for reducing the opacity of the emissions from wood dryers
04/1977
04/19/1977US4018381 Apparatus for increasing the efficiency of heating systems for buildings
04/12/1977US4016730 Refrigerators
10/1976
10/05/1976US3984220 Chimney for purifying smoke of gases
08/1976
08/24/1976US3976454 Exhaust system for steel-making plant
08/17/1976US3974756 Apparatus and method for field burning and fog or smog control
03/1976
03/02/1976US3941041 Updraft exhaust system
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