F24H9/205 - CPC Classification Index

ClassID:

158749 ⎘

F24H9/205 - CPC Classification

Classification description:

Details; Arrangement or mounting of control or safety devices for water heaters using fluid fuel; Preventing or detecting the return of combustion gases Closing the energy supply

Recent Application in this class:

20250116427

2025-04-10

SENSOR FOR WATER HEATERS

20200284473

2020-09-10

Gas heater, method for operating the gas heater and a gas boiler

20190195532

2019-06-27

Gas water heater and safety control method and system therefor

20180283731

2018-10-04

Boiler with gas sensing and earthquake sensing function and control method thereof

20170115031

2017-04-27

Method of ensuring safety of exhaust of water heater

20150330632

2015-11-19

Gas flow controller for use in gas fired apparatus

20120240869

2012-09-27

Condensing gas appliance and condensate trap therefor

20100012048

2010-01-21

System and method to reduce standby energy loss in a gas burning appliance

20090151652

2009-06-18

Gas water heater with harmful gas monitoring and warning functions and the method of monitoring and warning

#10

20050053879

2005-03-10

Fuel-fired heating appliance with temperature-based fuel shutoff system

#11

20050042560

2005-02-24

Fuel-fired heating appliance with temperature-based fuel shutoff system