| Patents for F23J 13 - Fittings for chimneys or flues (2,444) |
|---|
| 08/17/1982 | US4344370 Apparatus for discharging exhaust gas at high velocity |
| 06/15/1982 | US4334460 Cap for a chimney |
| 05/18/1982 | CA1123750A1 Protective cap for an exhaust pipe |
| 03/09/1982 | CA1119497A1 Method and apparatus for fuel economy |
| 12/22/1981 | US4306491 Flue system for wood burning stoves |
| 12/01/1981 | CA1113449A1 Process and apparatus for the cooling of gas pipe bends |
| 11/18/1981 | EP0040166A1 Industrial chimney with forced draught |
| 11/18/1981 | EP0039870A1 Hanging device for gas pipes |
| 10/21/1981 | EP0038211A2 Insulated chimney pipes |
| 09/23/1981 | EP0036364A1 Method of connecting a gas fired heater of the sealed and forced draught type to a conventional chimney |
| 09/16/1981 | EP0035623A1 Chimney stack and process for its erection |
| 05/05/1981 | US4265166 Corrosion resistant membrane for chimney liner |
| 04/21/1981 | US4262608 Method and apparatus for powered flue products exhaust and preheated combustion air supply |
| 03/17/1981 | US4256257 Automatic chimney cap |
| 03/10/1981 | CA1097099A1 Metal and brick chimney liner |
| 02/17/1981 | US4250609 Flue stack maintenance system utilizing replaceable liners |
| 01/13/1981 | US4244421 Process and an apparatus for cooling of waste gas bends |
| 01/06/1981 | US4243177 Chimney heat capturing system |
| 01/06/1981 | CA1092774A1 Sealing arrangement for chimneys with an annular pressurized space |
| 11/18/1980 | CA1089733A1 Chimney section |
| 11/11/1980 | CA1089223A1 Method for straightening flue walls in a carbon anode ring furnace |
| 06/10/1980 | US4206692 Vent pipe cover |
| 06/03/1980 | US4205706 Protective cap for an exhaust pipe |
| 05/13/1980 | US4202255 Chimney cap |
| 03/18/1980 | CA1073631A1 Double walled smokestack apparatus |
| 03/04/1980 | US4191099 Sealing arrangement for chimneys with an annular pressurized space |
| 01/01/1980 | US4181119 Combined chimney cover and damper |
| 12/04/1979 | US4176612 Ceramic ferrule |
| 08/28/1979 | US4165679 Chimney damper arrangement |
| 07/10/1979 | US4160421 Fire door assembly |
| 05/15/1979 | US4154150 Chimney closure with damper |
| 04/03/1979 | US4147134 Boiler having a hot gas generator for burning liquid or gaseous fuels |
| 03/06/1979 | US4142679 Building heating system |
| 09/05/1978 | US4111107 Double walled smokestack apparatus |
| 06/06/1978 | US4093245 Mechanical sealing means |
| 04/04/1978 | US4082322 Chimney construction for heating fixtures |
| 11/22/1977 | US4059129 Cylindrical body provided with means for counteracting vibrations resulting from a transversely flowing fluid |
| 11/22/1977 | US4059045 Engine exhaust rain cap with extruded bearing support means |
| 05/10/1977 | US4021905 Method of straightening flue walls in a carbon anode ring furnace |
| 05/03/1977 | US4020754 Cap-type flue damper |
| 04/12/1977 | US4016730 Refrigerators |
| 02/22/1977 | US4008655 Method and apparatus for protecting a double-shelled chimney stack |
| 03/30/1976 | US3947226 Combustion system |
| 03/23/1976 | US3945307 Chimney damper arrangement |