ClassID:

157947

F24D19/0095 - CPC Classification

Classification description:

Details Devices for preventing damage by freezing

Recent Application in this class:
#1
20240200791
2024-06-20

HEATING SYSTEM

#2
20230366609
2023-11-16

SYSTEM AND METHOD FOR ENERGY-SAVING INDUCTIVE HEATING OF EVAPORATORS AND OTHER HEAT-EXCHANGERS

#3
20230310266
2023-10-05

Backup methods and systems for spa system thermal management

#4
20230235896
2023-07-27

Freeze Protection Valves, Systems, And Methods

#5
20220354740
2022-11-10

Backup methods and systems for spa system thermal management

#6
20220082270
2022-03-17

Method and apparatus for winterizing system components

#7
20210214925
2021-07-15

Frost protection apparatus for water supply apparatus in recreational vehicles

#8
20210072093
2021-03-11

Bracket for fixing temperature sensor, heat exchanger including the bracket, and water heating apparatus using the heat exchanger for freeze protection

#9
20200393139
2020-12-17

Freeze protected condensate system

#10
20200141591
2020-05-07

Freeze protected condensate system

#11
20200141590
2020-05-07

Pipe heating device

#12
20200087897
2020-03-19

Method and apparatus for winterizing system components

#13
20200030184
2020-01-30

Backup methods and systems for spa system thermal management

#14
20180274834
2018-09-27

Passive heat recovery or defrosting device using a closed loop heat transfer circuit

#15
20180094847
2018-04-05

Freezestat assembly

#16
20180003426
2018-01-04

Heat medium circulation device

#17
20170319980
2017-11-09

Wet evaporation-based cold concentration system

#18
20170299222
2017-10-19

Water heater system

#19
20170130970
2017-05-11

Heater for gas furnace condensate drain system

#20
20160273684
2016-09-22

Heatable pipe

#21
20150144310
2015-05-28

Freeze damage resistant window perimeter radiator

#22
20150122901
2015-05-07

Wear-leveling for components of an auxiliary heat source

#23
20150121912
2015-05-07

System and method for energy-saving inductive heating of evaporators and other heat-exchangers

#24
20150114019
2015-04-30

Heat pump system using latent heat

#25
20150107278
2015-04-23

Device and method for icing prevention regulation for heat pump evaporators

#26
20140261714
2014-09-18

Advanced valve actuator with true flow feedback

#27
20140116357
2014-05-01

Control apparatus for water heater

#28
20140034145
2014-02-06

Advanced valve actuation system with integral freeze protection

#29
20130327761
2013-12-12

Condensate trap heater for condensing gas furnace

#30
20130112384
2013-05-09

Heat exchanger

#31
20130047654
2013-02-28

HEAT PUMP HOT WATER APPARATUS

#32
20130014825
2013-01-17

METHOD FOR CIRCULATING WATER THROUGH THE INSIDE OF A PIPELINE

#33
20130014745
2013-01-17

SOLAR WATER HEATING SYSTEM

#34
20120312042
2012-12-13

HEAT PUMP BOILER AND CONTROL METHOD FOR THE SAME

#35
20120279237
2012-11-08

Auxiliary heater control device, heated fluid utilization system, and auxiliary heater control method

#36
20120192577
2012-08-02

Wear-leveling for components of an auxiliary heat source

#37
20120180982
2012-07-19

Heat pump system having a pre-processing module

#38
20120180505
2012-07-19

Heat pump system having a pre-processing module

#39
20120125320
2012-05-24

METHOD FOR PROVIDING HEAT

#40
20120048521
2012-03-01

Condensing Gas Package Unit for Roof or Ground Installation, Collector, and Condensate Drain Apparatus

#41
20110290228
2011-12-01

WARM AIR FURNACE

#42
20110282498
2011-11-17

SOLAR THERMAL DATA ACQUISITION SYSTEMS AND METHODS AND SYSTEMS USING THE SAME

#43
20110203572
2011-08-25

Solar heating system with overheating protection

#44
20110192180
2011-08-11

Frost protection system for condensate drain pipe

#45
20110132588
2011-06-09

System and method for energy-saving inductive heating of evaporators and other heat-exchangers

#46
20110048344
2011-03-03

WATER HEATING APPARATUS

#47
20100281907
2010-11-11

Heat pump device

#48
20100241401
2010-09-23

Solar collector electronic freeze protection system, with differential circulation control of pump and automatic freeze protection

#49
20100200783
2010-08-12

Integrated freeze protection and pressure relief valve

#50
20100126604
2010-05-27

System and Method for On Demand Hot Water Distribution

#51
20100051713
2010-03-04

Hot water circulation system associated with heat pump and method for controlling the same

#52
20100032594
2010-02-11

Freeze protection valve

#53
20100024449
2010-02-04

Method for controlling hot water circulation system associated with heat pump

#54
20090250203
2009-10-08

Hot water supply apparatus

#55
20090120427
2009-05-14

Solar water heating system with a backup water heater, and electronic temperature control for a backup heater in a forced circulation solar water heating system

#56
20090057239
2009-03-05

METHOD AND APPARATUS FOR WATER DISTRIBUTION

#57
20080033651
2008-02-07

Freeze forecasting device for hot water heating apparatus and hot water heating apparatus

#58
20050092471
2005-05-05

Fluid heater

#59
16521772
2023-09-26

Outdoor enclosure for a circulating pump