Patents for F23Q 9 - Ignition by a pilot flame (873)
06/1988
06/01/1988EP0269487A1 Forced-draft premix gas burner
05/1988
05/31/1988US4747771 Operation of a pulse-fired burner
05/18/1988EP0267330A1 Operation of a pulse fired burner
03/1988
03/30/1988CN87206778U Gas lighter
02/1988
02/03/1988CN87102974A Coal gas valve device
01/1988
01/05/1988US4717333 Burner ignition system
10/1987
10/13/1987US4699762 Method for connecting reaction-sintered silicon carbide parts with iron- or metal parts, and embodiment of an ionization electrode according to the method
07/1987
07/30/1987DE3700728A1 Device for controlling the gas feed to a gas pilot light burner
07/14/1987US4680005 Primary gas furnace control
05/1987
05/21/1987WO1987003080A1 Regenerative furnace heating method and apparatus
04/1987
04/28/1987CA1221013A1 Electrode arrangement for an oil or gas burner
04/01/1987CN85200845U Automatic multi-function domestic gas cooker
03/1987
03/19/1987DE3628898A1 Gas-fired appliance
03/04/1987EP0213021A1 Double injection device for a pilot light for gas installations
12/1986
12/02/1986US4626192 Primary gas furnace control
11/1986
11/19/1986CN85103752A Burner with ignition device
10/1986
10/14/1986CA1212618A1 Flare stack ignitor
09/1986
09/23/1986US4613300 Burner safety system
07/1986
07/15/1986CA1207652A1 Electrode arrangement for an oil or gas burner
07/02/1986CA1206861A Adjustable flame burner
07/01/1986US4597733 Gas heating system for dehydrators and the like
04/1986
04/01/1986US4579522 Flare stack ignitor
01/1986
01/21/1986US4565521 Safety pilot burners
01/21/1986US4565519 Burner ignition system
10/1985
10/30/1985EP0159421A2 Pilot burner
10/09/1985EP0157375A2 Spark ignition apparatus
09/1985
09/24/1985CA1193959A1 Burner and pilot valve safety control system
08/1985
08/13/1985US4534728 Combination gas enricher, spark igniter, flame sensor
07/1985
07/16/1985US4529373 Burner safety ignition system allowing for electrical and manual operation
05/1985
05/21/1985CA1187397A1 System for automatic ignition, through an intermittently operating pilot flame burner of the main burner of a gas fired appliance, using a thermo- element as a signal emitter
05/21/1985CA1187339A1 Method of igniting a pulverized-coal pilot-burner flame
04/1985
04/16/1985US4511326 Gas-supply system for catalytic gas burners
04/10/1985EP0136928A1 Burner for premixed gas and boiler equipped with such a burner
02/1985
02/26/1985US4501206 Method of igniting a pulverized-coal pilot-burner flame
02/26/1985CA1183075A1 Ignition system for post-mixed burner
01/1985
01/08/1985CA1180789A1 Interrupted power hot wire gas ignition control system
12/1984
12/25/1984US4490106 Safety device for igniting fuel gases discharged by a flare
10/1984
10/02/1984US4474120 Method for at least the two-stage ignition of a fuel dust power burner and a burner system for carrying out this method
09/1984
09/11/1984CA1174158A1 Safety device for igniting fuel gases discharged by a flare
08/1984
08/21/1984US4466363 Method of igniting a pulverized coal annular burner flame
08/07/1984US4464107 Electrode arrangement for an oil or gas burner
07/1984
07/31/1984US4462790 Electrode arrangement for an oil or gas burner
07/17/1984CA1171156A1 Bilevel flame signal sensing circuit
05/1984
05/16/1984EP0067186B1 Ignition and surveyance device for a heat source with fuel heating
04/1984
04/24/1984CA1166143A1 Automatic safety gas heating device
04/17/1984US4442853 Safety gas valve with latch
04/10/1984US4441982 Combustion sensing apparatus
03/1984
03/20/1984US4437830 For controlling the fuel to a burner and its pilot
02/1984
02/21/1984US4433266 Electrical ignition probe means and method of making the same
02/21/1984US4432722 Interrupted power hot wire gas ignition control system
02/15/1984EP0100758A2 A safety device for gas heating apparatus
02/14/1984US4431400 Ignition system for post-mixed burner
02/14/1984US4431240 Electrical ignition probe means, electrode therefor and method of making the same
02/07/1984US4429706 Safety device for gas-fired heating apparatus
02/07/1984US4429682 Automatic safety gas heating device
01/1984
01/10/1984CA1160105A1 Method of igniting a pulverized coal annular burner flame
12/1983
12/06/1983US4418681 Asphalt heating kettle apparatus
11/1983
11/22/1983US4416614 Asphalt heating kettle apparatus
11/08/1983US4413976 Igniter for a gas burner
11/08/1983US4413975 Combination control with high/low pilot gas flow
11/01/1983CA1156326A1 Fuel supply and ignition control system employing flame sensing via spark electrodes
09/1983
09/27/1983US4406615 Igniter for a gas discharge pipe
03/1983
03/09/1983EP0073405A1 Gas safety valve having a reset lock
03/08/1983US4375951 Bilevel flame signal sensing circuit
02/1983
02/16/1983EP0071963A1 Ignition system for post-mixed burner
02/08/1983US4372754 Ignition system for coal gasifier
01/1983
01/19/1983EP0069939A1 Gas ignition control system
01/18/1983CA1139579A1 Gas pilot assembly for universal application and method of making same
12/1982
12/22/1982EP0067186A1 Ignition and surveyance device for a heat source with fuel heating.
11/1982
11/23/1982US4360338 Control system for dual coil pilot valve burner system
11/03/1982EP0064017A1 Supply apparatus for mobile gas heaters
10/1982
10/26/1982US4355970 Pressure responsive safety valve for gas burner
09/1982
09/22/1982EP0060604A1 System for automatic ignition through an intermittently operating pilot flame burner of the main burner of a gas fired appliance, using a thermo-element as a signal emitter
06/1982
06/29/1982US4337029 Pilot burner assembly
06/24/1982WO1982002083A1 Ignition and surveyance device for a heat source with fuel heating
05/1982
05/05/1982EP0050678A1 Electrical ignition and controlling apparatus for gas burners
05/04/1982US4327704 Orchard heater
04/1982
04/22/1982EP0041552A4 Fuel supply and ignition control system employing flame sensing via spark electrodes.
04/20/1982US4325690 Gas pilot assembly for universal application and method of making same
04/20/1982CA1122111A1 Improvement to safety and control devices for instant water heating by means of gaz in an apparatus devoid of a pilot flame
03/1982
03/31/1982EP0048654A1 Safety ignition device for a gas-fired apparatus
02/1982
02/24/1982EP0046280A1 Burner control system
12/1981
12/16/1981EP0041552A1 Fuel supply and ignition control system employing flame sensing via spark electrodes
12/15/1981CA1114473A1 Fuel burner safe starting system
12/08/1981US4304545 Fuel supply and ignition control system employing flame sensing via spark electrodes
11/1981
11/03/1981US4298336 Pilot burner ignition means and method of making the same
10/1981
10/06/1981CA1110347A1 Pilot gas conservation system for flare stacks
09/1981
09/16/1981EP0035566A1 Gas pilot assembly and method of making same
09/09/1981EP0035154A1 Thermoelectric safety pilot
09/01/1981CA1107964A1 Ignition system for fluidized-stream gasifiers
08/1981
08/25/1981US4285662 Gas burner control mechanism
07/1981
07/21/1981CA1105589A1 Fuel ignition control system
07/21/1981CA1105546A1 Recycling pilot ignition system
07/07/1981CA1104355A1 Pilot flame tube
06/1981
06/11/1981WO1981001605A1 Fuel supply and ignition control system employing flame sensing via spark electrodes
05/1981
05/26/1981US4269583 Pilots for flare stacks
05/19/1981US4267820 Control mechanism for a gas-fired water heater
05/05/1981CA1100600A1 Cycling pilot burner control system with safety timing means
04/1981
04/15/1981EP0026792A1 Flame ignition and control device
03/1981
03/24/1981CA1098023A1 Self-contained electric igniter with rechargeable battery
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