| Patents for F23Q 3 - Ignition using electrically-produced sparks (2,008) |
|---|
| 01/27/1981 | US4247880 Ignition device for oil burners |
| 01/20/1981 | US4245978 Gas burner control system |
| 01/13/1981 | CA1093333A1 Ignition system for flares |
| 12/16/1980 | US4239480 Fluid bed furnace and pilot light assembly |
| 12/10/1980 | EP0020280A1 Fail-safe ignition device for a valve of a burner |
| 12/09/1980 | US4238184 Flame detection system using a voltage clipper means |
| 12/02/1980 | CA1090903A1 Fuel ignition system having contact interlock protection |
| 10/21/1980 | US4228747 High energy arc ignition of pulverized coal |
| 10/21/1980 | CA1088182A1 Burner control with interrupted ignition |
| 09/23/1980 | CA1086209A1 Piezoelectric ignition system for gas burners |
| 09/09/1980 | US4222089 Oil burner ignition and control package |
| 09/09/1980 | US4221174 Direct ignition of a fluctuating fuel stream |
| 08/26/1980 | CA1084610A1 Fuel ignition system control arrangement providing total fuel shutoff and contact protection |
| 08/26/1980 | CA1084609A1 Fuel ignition system including an igniter providing a lingering spark |
| 07/22/1980 | CA1082298A1 Direct spark ignition system utilizing gated oscillator |
| 07/15/1980 | US4212280 Ignition system for internal combustion engines |
| 06/10/1980 | US4207054 Safety ignition valves |
| 05/13/1980 | US4203052 Solid state ignition system |
| 04/29/1980 | CA1076685A1 Direct ignition system with interlock protection |
| 04/15/1980 | CA1075763A1 Igniting electrodes |
| 02/12/1980 | US4188182 Method and apparatus for igniting and reigniting combustible fuel |
| 01/29/1980 | US4185603 Supply voltage variation compensated ignition system for an internal combustion engine |
| 01/08/1980 | US4182009 Electrical igniters |
| 01/01/1980 | US4181492 Torch igniter |
| 12/18/1979 | US4179262 Gas-heating appliance |
| 11/28/1979 | EP0005438A1 Method and apparatus for ignition and sustaining combustion of pulverized coal |
| 09/11/1979 | US4167767 Flame or spark detection system and combustible gas ignition device |
| 08/21/1979 | CA1060973A1 Burner control system |
| 07/17/1979 | US4161387 Detection devices especially for the detection of flames |
| 06/27/1979 | EP0002646A1 Ignition device with inductive discharge |
| 06/12/1979 | US4158215 Piezoelectric spark generator, particularly for gas igniters |
| 05/29/1979 | US4156825 Piezoelectric high voltage generating device |
| 05/08/1979 | US4153852 Compact piezoelectric lighter for gas fixtures |
| 04/24/1979 | CA1053320A1 Trigger device for an electronic flash unit |
| 04/24/1979 | CA1053019A1 Firing device for gas lighting appliances |
| 04/10/1979 | US4149214 Ignition devices |
| 04/03/1979 | US4147498 Ignition assembly for flare stacks |
| 04/03/1979 | US4147493 Igniter for flares |
| 04/03/1979 | CA1051768A1 Spark ignited recycling ignition system with interlocking gas valve control |
| 03/13/1979 | CA1050607A1 Ignition system for igniting fuel oil |
| 03/06/1979 | US4143303 Spark ignition circuits |
| 02/20/1979 | CA1048920A1 High energy arc ignitor for burner |
| 02/13/1979 | US4139792 High voltage generating device |
| 01/23/1979 | US4136259 Igniting electrodes and method for making same |
| 01/09/1979 | CA1046134A1 Burner ignition system |
| 12/12/1978 | CA1044285A1 Electrical switch for ignition in gas appliances |
| 12/05/1978 | CA1043841A1 High voltage generating device |
| 11/14/1978 | US4125355 Safety control system for gas-fired infrared radiant heater |
| 11/07/1978 | US4124354 Recycling pilot ignition system |
| 10/17/1978 | US4120638 Ignition system for flares |
| 10/03/1978 | CA1039782A1 Gas tap operated rotary cam switch with leaf spring contacts |
| 09/26/1978 | US4116613 Direct ignition system with interlock protection |
| 09/19/1978 | US4115832 Igniter utilizing a negative resistance light emitting diode |
| 09/12/1978 | US4113423 Torch igniter |
| 09/05/1978 | US4112322 Piezoelectric gas igniter using open frame |
| 08/29/1978 | CA1037374A1 Main burner with detachable ignition gun |
| 08/22/1978 | US4108592 Igniter for gas fired torches |
| 08/22/1978 | CA1037107A1 Spark igniter system for gas appliance pilot ignition |
| 08/01/1978 | US4104714 Converter arrangements |
| 07/25/1978 | US4103258 Pulse generator including a capacitor which is discharged through a thyristor |
| 05/02/1978 | US4087229 Automatic fuel ignition system with redundant flame sensing |
| 04/25/1978 | US4086048 Spark ignited recycling ignition system with interlocking gas valve control |
| 03/14/1978 | US4079291 Electronic lighting device |
| 03/14/1978 | US4078879 Fuel ignition system control arrangement providing total fuel shutoff and contact protection |
| 03/07/1978 | US4077762 Fuel ignition system having contact interlock protection |
| 02/21/1978 | US4074962 Electrode construction for a piezoelectric lighter |
| 01/24/1978 | US4070143 Fuel ignition system including an igniter providing a lingering spark |
| 12/13/1977 | US4062651 Ignition means in a chemical analyzer flame photometer |
| 10/25/1977 | US4055164 Apparatus for automatic gas ignition control |
| 10/18/1977 | US4054936 Gas ignition device |
| 09/27/1977 | US4051396 Encapsulation to prevent fracture of piezoelectric high voltage mechanism |
| 07/12/1977 | US4035136 Piezoelectric ignition system for gas burners |
| 07/05/1977 | US4033711 Spark ignition gas flow control system |
| 05/24/1977 | US4025288 Gas lamp igniter device |
| 04/26/1977 | US4019855 Electrical switch for ignition in gas appliances |
| 04/26/1977 | US4019854 Direct spark ignition system utilizing gated oscillator |
| 04/26/1977 | US4019851 High energy arc ignitor for burner |
| 04/05/1977 | US4015928 Heating system |
| 03/29/1977 | US4015152 Impact mechanism for piezoelectric transducers |
| 03/29/1977 | US4015151 Piezoelectric igniter with a striking mechanism |
| 01/25/1977 | US4005343 Circuit for producing a spark discharge |
| 01/11/1977 | US4002866 Electric switches |
| 01/04/1977 | US4001638 Ignition system |
| 01/04/1977 | US4001615 Electrically actuated piezoelectric high voltage impact mechanism |
| 11/16/1976 | US3992640 Piezo crystal housing and mount |
| 10/12/1976 | US3986061 Piezoelectric ignition device |
| 10/05/1976 | US3984738 Piezoelectric igniter for lighters |
| 08/24/1976 | US3976900 Gas ignition devices |
| 08/17/1976 | US3975136 Burner control system |
| 07/20/1976 | US3970864 Control arrangement fail-safe timing circuit |
| 06/15/1976 | US3963966 Hammer for a piezoelectric igniter |
| 06/15/1976 | US3963411 Piezoelectric lighters notably for domestic appliance burners and the like |
| 05/25/1976 | US3958791 Ignition system and components thereof |
| 05/11/1976 | US3955910 Self-checking automatic pilot fuel ignition system |
| 04/13/1976 | US3950124 Burner ignitor arrangement |
| 04/06/1976 | US3949273 Burner ignition system |
| 04/06/1976 | US3949248 Piezoelectric igniter using resilient housing |
| 03/30/1976 | US3947731 Piezoelectric lighter |
| 03/30/1976 | US3947220 Fuel ignition control arrangement |
| 03/30/1976 | US3947219 Burner control with interrupted ignition |