F24D2200/043 - CPC Classification Index

ClassID:

158028 ⎘

F24D2200/043 - CPC Classification

Classification description:

Heat sources or energy sources; Gas or oil fired boiler More than one gas or oil fired boiler

Recent Application in this class:

20190285316

2019-09-19

Control system for modulating water heater

20190055932

2019-02-21

Thermodynamic boiler with thermal compressor

20180363925

2018-12-20

On-demand tankless high volume capable water heating system

20180252418

2018-09-06

Water heating system

20180135868

2018-05-17

Modulation control of hydronic systems

20170336080

2017-11-23

Combined heating system capable of bi-directional heating

20160377301

2016-12-29

Circulating hot water system and or appliance

20160341445

2016-11-24

Low pressure drop water heating system

20160187028

2016-06-30

Immediate hot-water supplying system

#10

20160116185

2016-04-28

Method for controlling cascade boiler system

#11

20150354831

2015-12-10

Combined heating system capable of bi-directional heating

#12

20150330666

2015-11-19

Control system for modulating water heater

#13

20150114313

2015-04-30

Hot water supply system

#14

20140379147

2014-12-25

Hot water supply system, water heater and hot water supply control method

#15

20140137851

2014-05-22

Common venting system for water heaters and method of controlling the same

#16

20130266300

2013-10-10

Renewable energy hot water heating elements

#17

20130247997

2013-09-26

Circulating hot water system and or appliance

#18

20130233510

2013-09-12

LIQUID HEATING SYSTEM

#19

20130048745

2013-02-28

Modulation control of hydronic systems

#20

20120288805

2012-11-15

HEATING SYSTEM AND METHOD FOR OPERATING SAID SYSTEM

#21

20120204816

2012-08-16

Control system for modulating water heater

#22

20120191256

2012-07-26

Masterless control system methods for networked water heaters

#23

20120160472

2012-06-28

Method for controlling a parallel operation of a multi-water heater

#24

20120138149

2012-06-07

Hot water supply system, water heater and hot water supply control method

#25

20120090560

2012-04-19

Water heater and control method therefor

#26

20120090559

2012-04-19

Economically-operated, dual-energy hot water supply system and method of operating the same

#27

20120090341

2012-04-19

Water heater and control method therefor

#28

20120046801

2012-02-23

Hot-water supply system

#29

20110079653

2011-04-07

Heated makeup air unit

#30

20110048344

2011-03-03

WATER HEATING APPARATUS

#31

20100330512

2010-12-30

Multi-boiler and control method thereof for preventing back flow of exhaust gas

#32

20100260490

2010-10-14

METHOD AND ARRANGEMENT FOR HEATING BUILDINGS HAVING AN INFRARED HEATING SYSTEM

#33

20100043727

2010-02-25

HEATING SYSTEM

#34

20100004786

2010-01-07

Control system for modulating water heater

#35

20100001087

2010-01-07

Variable output heating control system

#36

20090295157

2009-12-03

Cogeneration system

#37

20090151654

2009-06-18

Water heater

#38

20090144754

2009-06-04

Bios routine avoidance

#39

20090064944

2009-03-12

Control system for modulating water heater

#40

20080216771

2008-09-11

Control system for modulating water heater

#41

20080179416

2008-07-31

MODULATION CONTROL OF A HYDRONIC HEATING SYSTEM

#42

20080179415

2008-07-31

Hydronic heating system

#43

20070295830

2007-12-27

Modular boiler control

#44

20070144458

2007-06-28

Cascade unit for a heating system with two or more heating boilers

#45

20070067047

2007-03-22

Hot water supply system

#46

20050230491

2005-10-20

Multi-stage boiler system control methods and devices

#47

20050230490

2005-10-20

Multi-stage boiler staging and modulation control methods and controllers