ClassID:

156989

F23K2900/05001 - CPC Classification

Classification description:

Special features of, or arrangements for fuel supplies Control or safety devices in gaseous or liquid fuel supply lines

Recent Application in this class:
#1
20260117970
2026-04-30

FUEL GAS SUPPLY APPARATUS

#2
20260092652
2026-04-02

Cylinder Assembly

#3
20250198620
2025-06-19

FUEL INJECTION ASSEMBLY HAVING PARTIAL DIRECT INJECTORS

#4
20250067432
2025-02-27

DEVICE FOR THE DELIVERY OF A COMBUSTIBLE GASEOUS MIXTURE AND PROCEDURE

#5
20230228414
2023-07-20

COMBUSTION SYSTEM AND METHOD OF OPERATION THEREOF

#6
20230167974
2023-06-01

A GAS VALVE WITH CERAMIC DISC ELEMENT

#7
20230167915
2023-06-01

Pressure regulator with outlet overpressure security

#8
20220146097
2022-05-12

Online pulverized coal concentration regulator and regulating method

#9
20210356173
2021-11-18

SYSTEM AND METHOD FOR CONTROLLING GAS CONSUMPTION BY GAS-FIRED WATER HEATERS

#10
20210325041
2021-10-21

Pulverized coal drying system for pulverizer, pulverized coal drying method therefor, pulverized coal drying program, pulverizer, and integrated gasification combined cycle

#11
20210278081
2021-09-09

Flare monitoring and control method and apparatus

#12
20210018172
2021-01-21

Intermittent pilot ignition gas valve having protection against negative pressure for internal diaphragms

#13
20200224928
2020-07-16

Heater structure

#14
20200103108
2020-04-02

Gas valve unit

#15
20200088444
2020-03-19

SYSTEM AND METHOD FOR CONTROLLING GAS CONSUMPTION BY GAS-FIRED WATER HEATERS

#16
20190353403
2019-11-21

Method of manufacturing an electromagnetic actuator for a gas powered water heater controller

#17
20190277496
2019-09-12

Solenoid operated valve for reducing excessive piping pressure in a fluid distribution system

#18
20190242575
2019-08-08

Flare monitoring and control method and apparatus

#19
20190137141
2019-05-09

Gas powered water heater controller and related methods

#20
20190086080
2019-03-21

Systems and methods for leak detection and remote, non-intrusive, automatic shutoff in residential regulators

#21
20180252319
2018-09-06

Safety valve

#22
20180128484
2018-05-10

Combustion device test apparatus and method

#23
20180058695
2018-03-01

Directionally biased valve

#24
20180017255
2018-01-18

Heating system and method of operating same

#25
20170051844
2017-02-23

System for a valve setup

#26
20160305657
2016-10-20

Heating system and method of operating same

#27
20160230988
2016-08-11

Method and system for effluent combustion

#28
20160061685
2016-03-03

Gas internal combustion engine gas leak checking device and method for same

#29
20160010860
2016-01-14

Gas control unit of modular design and modular gas control valve

#30
20150176534
2015-06-25

System and method for controlling a flow of vent gases to a natural gas engine

#31
20150107217
2015-04-23

Vent system for use in a gas turbine and method of operating thereof

#32
20150100275
2015-04-09

Method and device for verifying the integrity of gas valve operators in a gas appliance

#33
20150007572
2015-01-08

Turbine engine fuel injector with permanent leakage flow

#34
20140150532
2014-06-05

Valve leak detecting method and combustion equipment

#35
20140080078
2014-03-20

Multi-gas appliance

#36
20140008455
2014-01-09

Fire and water display with integrated safety features

#37
20130240767
2013-09-19

Gas valve unit comprising an actuation mechanism for a solenoid valve

#38
20130219898
2013-08-29

Combustor and gas turbine

#39
20130213384
2013-08-22

Multi-gas appliance

#40
20130000533
2013-01-03

Burner for unprocessed waste oils

#41
20120312378
2012-12-13

Combustor fuel control systems with flow divider assemblies

#42
20120273049
2012-11-01

Detecting and automatically responding to airborne hydrocarbon gas

#43
20120272636
2012-11-01

COMBUSTOR DRAIN VALVE AND ASSEMBLY

#44
20120204971
2012-08-16

System and method for compressed gas fuel handling

#45
20120167580
2012-07-05

Supercritical or mixed phase multi-port fuel injector

#46
20120154159
2012-06-21

Method of testing and compensating gas supply of gas appliance for safety

#47
20120115096
2012-05-10

Device for controlling gas supply to a burner

#48
20120098666
2012-04-26

Hydrocarbon gas delivery system

#49
20120085947
2012-04-12

SHUTOFF VALVE UNIT

#50
20120073562
2012-03-29

Multi-gas appliance

#51
20120031397
2012-02-09

Fuel Conversion System

#52
20120031391
2012-02-09

Rotary valve arranged in multi-gas cooker

#53
20120015310
2012-01-19

Oil burning system

#54
20110308633
2011-12-22

Gas convenience outlet

#55
20110278485
2011-11-17

GAS REGULATING VALVE FOR TORCH

#56
20110275022
2011-11-10

Pilot light gas line connector assembly

#57
20110259446
2011-10-27

GAS SHUT-OFF DEVICE

#58
20110162729
2011-07-07

Gas regulating unit

#59
20110143294
2011-06-16

Dual fuel heating source with nozzle

#60
20110088919
2011-04-21

FIRE-EXTINGUISHING DEVICE FOR AN OIL STOVE

#61
20110088794
2011-04-21

Automatic switching valve with alarm

#62
20110072845
2011-03-31

REFRIGERANT INJECTION DEVICE FOR REFRIGERANT DESTRUCTION FACILITY

#63
20110056480
2011-03-10

Gas burner module for a gas cooktop, and gas cooktop

#64
20110023493
2011-02-03

Fuel nozzle for a turbine combustor, and methods of forming same

#65
20110020760
2011-01-27

COMBUSTION BURNER

#66
20110005508
2011-01-13

Dual gas compatible cooking appliance

#67
20110005334
2011-01-13

TUNABLE FLUID FLOW CONTROL SYSTEM

#68
20110000407
2011-01-06

Waste oil electrical generation systems

#69
20100304318
2010-12-02

Fire and water display with integrated safety features

#70
20100304316
2010-12-02

System and method for controlling the calorie content of a fuel

#71
20100300553
2010-12-02

Multifunctional safety valve device with incorporated proportional pressure regulator

#72
20100291496
2010-11-18

SELF-CONTAINED FLAMEWORKING BENCH

#73
20100282325
2010-11-11

Gas Flow Control System

#74
20100269912
2010-10-28

Fuel supply apparatus for a combustor

#75
20100269596
2010-10-28

Gas meter device and gas supply system using the device

#76
20100178623
2010-07-15

Gas switch capable of adjusting fire intensity finely

#77
20100170582
2010-07-08

Gas shutoff device

#78
20100138167
2010-06-03

FLOW RATE MEASUREMENT APPARATUS, PROGRAM THEREOF, FLOW RATE MEASUREMENT METHOD, AND FLUID SUPPLY SYSTEM

#79
20100115952
2010-05-13

Gum substance monitoring apparatus, gum substance detecting method, and gas turbine system

#80
20100089386
2010-04-15

Multi-gas cooker, with a rotary valve provided with interchangeable regulating means

#81
20100089385
2010-04-15

Rotary valve arranged in multi-gas cooker

#82
20100062384
2010-03-11

Oil burning system

#83
20100037615
2010-02-18

Multi-stage check valve

#84
20100031659
2010-02-11

Method and device for monitoring the formation of deposits of solid particles, particularly in a fuel line and in the fuel valves of a gas turbine

#85
20090305098
2009-12-10

Combustion apparatus, combustion processor, and fuel cell generating system

#86
20090223572
2009-09-10

Gas regulating and safety valve for burners of a modulatable gas heating device

#87
20090205593
2009-08-20

Flow adjusting valve for combustion gas

#88
20090053662
2009-02-26

DISPLAY EQUIPMENT OF GAS CONTENTS

#89
20080251064
2008-10-16

Gas manifold for a cooking range with an emergency tap

#90
20080202496
2008-08-28

Rotary valve arranged in a multi-gas cooker

#91
20080173295
2008-07-24

Safety controller of gas stove

#92
20080138749
2008-06-12

Multi-gas cooker, with a rotary valve provided with interchangeable regulating means

#93
20080135108
2008-06-12

GAS CONVENIENCE OUTLET

#94
20080057451
2008-03-06

Boiler and combustion control method

#95
20080034659
2008-02-14

Portable flammable gas generating device

#96
20070256739
2007-11-08

Single system for low or high pressure gases control and high or low pressure gases control valve

#97
20070175449
2007-08-02

Fuel metering system proportional bypass valve error compensation system and method

#98
20070169817
2007-07-26

Adjustable seat valve with debris trap

#99
20060226387
2006-10-12

Check valve

#100
20060216663
2006-09-28

Safe incineration of explosive air mixtures

#101
20060207654
2006-09-21

Proportional pressure adjusting valve with two main valves and two diaphragms

#102
20060175566
2006-08-10

Rotary valve in a multi-gas cooker

#103
20060166155
2006-07-27

Gas flowrate control device for gas burner

#104
20060021650
2006-02-02

Gas valve switch structure of gas stove

#105
20060003280
2006-01-05

Hydrocarbon gas flow rate adjusting method and apparatus

#106
20050282096
2005-12-22

Maintaining oxygen/carbon ratio with temperature controlled valve

#107
20050239008
2005-10-27

Child-resistant utility lighter incorporating a cam mechanism and a lever spring lock

#108
20050202361
2005-09-15

Multi-gas cooker, with a rotary valve provided with interchangeable regulating means

#109
20050106521
2005-05-19

Blowtorch

#110
20050058960
2005-03-17

Device for gas combustion

#111
20050005965
2005-01-13

Power operated gas valve for heating, with a safety valve