| Patents for F23N 3 - Regulating air supply or draught (1,646) |
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| 01/06/1987 | CA1216346A1 Boiler air flow controlling apparatus |
| 12/02/1986 | US4626681 Differential pressure control apparatus |
| 11/11/1986 | US4621583 System for controlling a bark-fired boiler |
| 10/23/1986 | WO1986006152A1 Method and device for controlling a fresh air valve |
| 08/14/1986 | WO1986004663A1 Device for a fire installation |
| 08/12/1986 | CA1209457A1 Burner for heating air and disposed in a passage through which the air flows |
| 07/29/1986 | CA1208740A1 Flame safeguard sequencer having safe start check |
| 07/29/1986 | CA1208739A1 Flame safeguard sequencer having switch test functions |
| 07/23/1986 | CN85203335U Smoke-exhausting unit for chimney |
| 07/09/1986 | CN85100209A Shape coal heat booster |
| 07/02/1986 | CN85104441A Method for controlling combustion |
| 07/02/1986 | CA1206863A Flame safeguard sequencer having interlock checking means |
| 06/25/1986 | EP0091935B1 Heating device for open kilns with revolving fire and method for implementing such device |
| 06/03/1986 | US4592293 Method of controlling an air heater of a coal-fired boiler |
| 05/07/1986 | CN85203387U Protecting wind and exhausting smoke device for domestic gas oven or fuel oven |
| 03/18/1986 | US4576989 Aqueous solutions or dispersions of cationic oligo-urethanes, a process for the production thereof and the use thereof to produce coatings |
| 02/11/1986 | CA1200449A1 Heating device for open hearth rotating flame roasting ovens, and method involving the use of said device |
| 02/04/1986 | US4568268 Burner with variable secondary air controller |
| 01/28/1986 | CA1199997A1 Control system, method of operating an electronically commutated motor, and laundering apparatus |
| 01/07/1986 | CA1198946A1 Boiler draft control device |
| 12/17/1985 | CA1197974A1 Process for combusting hydrogen sulphide-containing gases and burner for use in such a process |
| 11/19/1985 | US4553925 Flow distribution header system |
| 11/19/1985 | US4553695 Automatic damper means for air ducts |
| 11/06/1985 | EP0160169A1 Aqueous solutions or dispersions of cationic oligourethanes, process for their preparation and their use in the preparation of coatings |
| 11/05/1985 | US4550874 Means controlling a flue damper |
| 10/02/1985 | EP0156175A1 Device for controlling the entry of fresh air or the flue gas of a boiler |
| 09/24/1985 | CA1193941A1 Latch for a butterfly damper |
| 09/03/1985 | US4538980 Positive opening damper for combustion appliance |
| 09/03/1985 | CA1192793A1 Damper controller for natural draft heater |
| 08/27/1985 | US4537141 Combustion chamber for solid fuels |
| 08/27/1985 | CA1192447A1 Furnace stack damper control apparatus |
| 07/23/1985 | US4530346 Mechanical thermostat having proportional control for a solid fuel-burning stove |
| 07/03/1985 | EP0146673A1 Laundering machines |
| 06/25/1985 | CA1189406A1 Thermally controlled vent damper |
| 05/28/1985 | US4519540 Sealed gas heater with forced draft and regulation by microprocessor |
| 05/21/1985 | US4518116 Automatic damper operator |
| 05/07/1985 | US4515306 Four-terminal zone thermostat |
| 04/17/1985 | EP0137156A1 Airflow control system |
| 04/09/1985 | US4509913 Device for controlling the air supply for a gas burner |
| 03/27/1985 | EP0134833A1 Method for controlling fluid flow |
| 03/12/1985 | US4504219 Heating apparatus for circulatory-firing open baking furnaces and process for use of the apparatus |
| 01/15/1985 | CA1180959A1 Combustion automatic control system |
| 01/08/1985 | US4492563 Burner for heating air and disposed in a passage through which air flows |
| 01/02/1985 | EP0129907A2 Boiler air flow controlling apparatus |
| 12/18/1984 | US4489376 Industrial process control apparatus and method |
| 12/18/1984 | US4489375 Industrial process control apparatus and method |
| 12/11/1984 | US4487137 Auxiliary exhaust system |
| 11/20/1984 | CA1178127A1 Draft control system |
| 10/30/1984 | CA1176928A1 Vent damper with emergency manual override |
| 08/28/1984 | US4467957 For a combustion exhaust flue |
| 08/14/1984 | CA1172518A1 Cascade-based method and device for fluid handling and measurement |
| 07/24/1984 | US4461275 Apparatus and method for burning wood |
| 07/17/1984 | US4460121 Thermally controlled vent damper |
| 07/10/1984 | US4459519 Electronically commutated motor systems and control therefor |
| 07/10/1984 | US4459098 Method and apparatus for controlling secondary air distribution to a multiple fuel combustor |
| 06/27/1984 | EP0111516A1 Wood heating apparatus, with complete combustion |
| 06/05/1984 | US4452184 Boiler draft control device |
| 05/30/1984 | EP0109620A2 Fuel heated heat source |
| 05/29/1984 | US4451227 Flame safeguard sequencer having switch test functions |
| 05/29/1984 | US4451226 Flame safeguard sequencer having safe start check |
| 05/29/1984 | US4451225 Flame safeguard sequencer having interlock checking means |
| 04/24/1984 | US4444735 Thermal oxidizer and method for operating same |
| 04/17/1984 | US4443181 In a furnace |
| 04/17/1984 | CA1165682A1 Method and apparatus for combustion with a minimum of no.sub.x emission |
| 04/10/1984 | US4441653 Bi-metallic vane vent damper |
| 03/27/1984 | US4439139 Furnace stack damper control apparatus |
| 03/21/1984 | EP0103157A1 Thermal oxidizer and method for operating same |
| 03/20/1984 | US4437454 In a fuel burning heating appliance |
| 02/07/1984 | US4429709 For maintaining constant rates of air flow in an air conditioning system |
| 01/24/1984 | US4426993 Valve for appliance combustion air inlet |
| 12/27/1983 | US4422440 Automatic draft controller |
| 12/22/1983 | WO1983004431A1 Wood heating apparatus, with complete combustion |
| 11/22/1983 | US4416611 Flue damper control |
| 11/16/1983 | EP0093816A1 Programme apparatus with a combustion-air damper for operating boiler burners |
| 11/02/1983 | EP0092817A1 Burner for heating the air arranged in a duct through which the air flows |
| 11/01/1983 | CA1156325A1 Fuel ignition and stack damper control circuit |
| 10/26/1983 | EP0091935A1 Heating device for open kilns with revolving fire and method for implementing such device. |
| 10/18/1983 | US4409956 Thermostat for stoves |
| 09/27/1983 | US4406611 Method for operating a gasification burner/heating boiler installation |
| 09/27/1983 | US4406396 Method and apparatus for regulating flue draft |
| 09/06/1983 | US4402454 Gas flue damper and thermostat metal therefore |
| 09/06/1983 | CA1153260A1 Method and apparatus for regulating flue draft |
| 08/30/1983 | US4401260 Self-operated air register damper |
| 08/23/1983 | US4399940 Automatic stove damper control |
| 08/17/1983 | EP0085946A1 Combustion controller |
| 08/17/1983 | EP0085925A2 Burner with variable air controller |
| 08/16/1983 | CA1151964A1 Damper construction for a gas fired combustion apparatus |
| 08/02/1983 | US4396371 Device for controlling the air supply to a gas burner |
| 08/02/1983 | US4396001 Combustion device |
| 07/13/1983 | EP0083479A1 Damper controller for natural draft heater |
| 06/28/1983 | US4390826 Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, method of operating an electronically commutated motor, and circuit |
| 06/28/1983 | CA1148816A1 Damper control mechanism |
| 06/21/1983 | US4389014 Vent damper with emergency manual override |
| 06/21/1983 | CA1148428A1 Draft regulator |
| 06/07/1983 | CA1147626A1 Furnace control using induced draft blower, exhaust gas flow rate sensing and density compensation |
| 06/01/1983 | EP0080216A1 Process for combusting hydrogen sulphide-containing gases and burner for use in such a process |
| 05/31/1983 | USRE31256 Automatic damper means and controls therefor |
| 05/31/1983 | CA1147225A1 Combustion device |
| 05/18/1983 | EP0079024A1 Boiler draught regulator |
| 05/11/1983 | WO1983001677A1 Heating device for open kilns with revolving fire and method for implementing such device |