F23Q9/14 - CPC Classification Index

ClassID:

157456 ⎘

F23Q9/14 - CPC Classification

Classification description:

Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements

Recent Application in this class:

20250377098

2025-12-11

WATER HEATER WITH INTERMITTENT PILOT AND DAMPER CONTROL

20220154931

2022-05-19

Pilot assemblies and methods for enclosed ground flares and elevated flare stacks

20210190316

2021-06-24

System and method for operational control of a water heater apparatus with a combustible gas burner

20200400312

2020-12-24

GAS VALVE AND CONTROL DEVICE AND CONTROL METHOD THEREOF

20200158336

2020-05-21

Standing pilot igniter for oilfield separators

20200025370

2020-01-23

Mobile Multiple Torch Apparatus

20190338951

2019-11-07

Gas appliance and control method thereof

20190024893

2019-01-24

Universal housing for a hot surface igniter

20180135858

2018-05-17

Method of assembling pilot burner assembly

#10

20180135857

2018-05-17

Power generation system for gas-fired appliances

#11

20170038071

2017-02-09

Combined high energy igniter and flame detector

#12

20150316264

2015-11-05

Pilot burner assembly and method of assembling same

#13

20140315138

2014-10-23

Open solenoid valve with arc relighter, method to augment flame safeguard

#14

20130330675

2013-12-12

Combined high energy igniter and flame detector

#15

20100304315

2010-12-02

Combination Safety Valve and Ignition Trigger For Gas Burners