ClassID:

157127

F23N1/027 - CPC Classification

Classification description:

Regulating fuel supply conjointly with air supply using mechanical means

Recent Application in this class:
#1
20260117972
2026-04-30

VARIABLE ORIFICE RESTRICTION DEVICE

#2
20250198620
2025-06-19

FUEL INJECTION ASSEMBLY HAVING PARTIAL DIRECT INJECTORS

#3
20240183534
2024-06-06

DUAL VENTURI

#4
20240142103
2024-05-02

PARTIALLY-PREMIXED GAS BURNER APPLIANCE

#5
20230272907
2023-08-31

ANTI-BACKFLOW PREMIXING DEVICE AND FUEL GAS WATER HEATER

#6
20230266003
2023-08-24

ULTRA-LOW NOX MULTI-PORT BURNER APPARATUS

#7
20220397267
2022-12-15

Swirling Flow-Blurring Atomizer

#8
20220390108
2022-12-08

High-capacity igniter

#9
20220390104
2022-12-08

Surface stabilized fully premixed gas premix burner for burning hydrogen gas, and method for starting such burner

#10
20220228743
2022-07-21

Gas mixing device and gas water heating device

#11
20210404706
2021-12-30

Gas mixing device and gas water heating device

#12
20210315419
2021-10-14

Fully automatic and efficiently energy-saving barbecue grill

#13
20210291127
2021-09-23

FLUID MIXER

#14
20210172601
2021-06-10

METHOD FOR OPERATING A COMBUSTION ARRANGEMENT AND COMBUSTION ARRANGEMENT

#15
20210140632
2021-05-13

Gas furnace

#16
20210123598
2021-04-29

Variable Orifice Restoration Device

#17
20200370747
2020-11-26

Multi-level gas burner having ultra low simmer

#18
20200292167
2020-09-17

COMBUSTION SYSTEM WITH WIDE TURNDOWN COAL BURNER

#19
20200200391
2020-06-25

Fuel gas nozzle

#20
20200032999
2020-01-30

Gas burner with a pneumatic actuating injet

#21
20190346133
2019-11-14

Premixing device and combustion device

#22
20190293281
2019-09-26

Premixing apparatus and method thereof

#23
20190264915
2019-08-29

Process for operating a fuel-operated vehicle heater and fuel-operated vehicle heater

#24
20190093887
2019-03-28

Apparatus for regulating the size and intensity of torch flame

#25
20190063742
2019-02-28

Positive pressure amplified gas-air valve for a low NOx premix combustion system

#26
20180216816
2018-08-02

Combustion apparatus

#27
20180094809
2018-04-05

Regulating turbulent flows

#28
20180010799
2018-01-11

Fuel injection system for aircraft turbomachine, comprising a variable section air through duct

#29
20170276345
2017-09-28

Premixing apparatus

#30
20170219247
2017-08-03

Turn down ratio (TDR) damper

#31
20170038067
2017-02-09

Modulating burner

#32
20150086931
2015-03-26

Combustion device for improving turndown ratio

#33
20150056564
2015-02-26

Dual venturi for combustion apparatus

#34
20150030986
2015-01-29

Servo gas system, gas burner and method for operating the gas burner

#35
20150000775
2015-01-01

Gas-air mixing device for combustor

#36
20140272741
2014-09-18

Fuel selector valve with shutter mechanism for a gas burner unit

#37
20140007822
2014-01-09

Mixture supply system for a hot water appliance, a hot water appliance comprising such a mixture supply system and a method for mixing a fuel and an oxidizer

#38
20120006320
2012-01-12

Method for producing ethanol and co-products from cellulosic biomass

#39
20110262984
2011-10-27

Method for producing ethanol and co-products from cellulosic biomass

#40
20110151389
2011-06-23

AIR-GAS PREMIXING DEVICE IN A LOW-NOX GAS BURNER

#41
20110136068
2011-06-09

DEVICE FOR CONTINUOUSLY PREHEATING A MIXTURE OF BURNABLE GAS, MORE PARTICULARLY NATURAL GAS AND OXYGEN

#42
20090117505
2009-05-07

Portable heat transfer apparatus

#43
20080213710
2008-09-04

Combustion blower control for modulating furnace

#44
20080210783
2008-09-04

High flow gas saver

#45
20080124668
2008-05-29

Systems and methods for controlling gas pressure to gas-fired appliances

#46
20080113307
2008-05-15

Air fuel ratio sensor of incinerator

#47
20070248920
2007-10-25

Variable orifice combustor

#48
20050058961
2005-03-17

Ratio controller with dynamic ratio formation