ClassID:

129196

E03B9/02 - CPC Classification

Classification description:

Hydrants; Arrangements of valves therein; Keys for hydrants

Sub-classes:
Recent Application in this class:
#1
20260043217
2026-02-12

ADJUSTABLE ANGLE AUTOMATIC SUCTION INLET VALVE

#2
20250263912
2025-08-21

FIRE HYDRANT VALVE USABLE ALONE QUICKLY IN CASE OF FIRE

#3
20250188718
2025-06-12

Industrial Hydrant

#4
20250084621
2025-03-13

Hydrant comprising a hydrant housing and a valve seat and a method for mounting a valve seat in a hydrant

#5
20240369438
2024-11-07

HYDRANT NOZZLE CAP AND METHOD OF ASSEMBLING THE SAME

#6
20240328837
2024-10-03

METHOD FOR INSTALLING A SENSOR CONDUIT SUPPORT IN AN INTERNAL STRUCTURE

#7
20240264025
2024-08-08

OUTER HOUSING FOR PRESSURE MONITORING SYSTEM

#8
20240175246
2024-05-30

Coupling Device and Self-Sealing Valve Assemblies For Connecting And Disconnecting A Hose To A Fire Hydrant

#9
20240167254
2024-05-23

HOSE COUPLING FOR A HYDRANT, AND HYDRANT

#10
20240142285
2024-05-02

SECUREMENT SYSTEM FOR WIRELESS WATER METER CONNECTED TO HYDRANT

#11
20240060279
2024-02-22

HYDRANT VALVE SYSTEM, AND HYDRANT HAVING SUCH A SYSTEM

#12
20240052608
2024-02-15

REFLECTIVE MARKER FOR INDICATING LOCATION OF A NEARBY FIRE HYDRANT

#13
20230375426
2023-11-23

PRESSURE MONITORING SYSTEM FOR WET BARREL HYDRANT

#14
20230332704
2023-10-19

FLUID VALVE OR HYDRANT

#15
20230264324
2023-08-24

ADAPTABLE WRENCH

#16
20230212841
2023-07-06

Self-contained hydrant monitoring system

#17
20230184617
2023-06-15

Hydrant nozzle cap

#18
20230146957
2023-05-11

Outdoor Fire Suppression Spray System (Sky Hydrant ), and application

#19
20230108605
2023-04-06

INFRASTRUCTURE MONITORING DEVICES, SYSTEMS, AND METHODS

#20
20230081788
2023-03-16

Coupling device and self-sealing valve assemblies for connecting and disconnecting a hose to a fire hydrant

#21
20230062462
2023-03-02

Remote monitoring of water distribution system

#22
20230052748
2023-02-16

Sensor conduit support structure

#23
20230014958
2023-01-19

Remote monitoring of water distribution system

#24
20220390037
2022-12-08

Low water hammer break check valve

#25
20220320721
2022-10-06

NOZZLE CAP ENCAPSULATED ANTENNA SYSTEM

#26
20220259840
2022-08-18

Self-contained hydrant monitoring system

#27
20220236132
2022-07-28

Pressure monitoring system and housing therefor

#28
20220205547
2022-06-30

Break-away check valve

#29
20220082467
2022-03-17

Leak detection in water distribution systems using acoustic signals

#30
20210404567
2021-12-30

Break check valve for hydrant

#31
20210318195
2021-10-14

Pressure monitoring system for wet barrel hydrant

#32
20210310222
2021-10-07

Method for activating a service, method for activating a fire hydrant, associated device and system

#33
20210247261
2021-08-12

Hydrant nozzle cap with antenna

#34
20210180297
2021-06-17

Self-contained hydrant monitoring system

#35
20210062934
2021-03-04

Lighted municipal valve key

#36
20210023408
2021-01-28

Infrastructure monitoring devices, systems, and methods

#37
20200385960
2020-12-10

Self-contained hydrant monitoring system

#38
20200378859
2020-12-03

Hydrant nozzle cap

#39
20200378508
2020-12-03

Break check valve for hydrant

#40
20200354930
2020-11-12

Hydrant shoe assembly

#41
20200326001
2020-10-15

Break-away check valve

#42
20200292087
2020-09-17

Water Hammer Prevention Valve and Method

#43
20200240526
2020-07-30

SHUT-OFF ELEMENT OF A HYDRANT, HYDRANT AND MAIN VALVE SEAT

#44
20200232864
2020-07-23

Pressure monitor housing with cap-engaging projection

#45
20200232863
2020-07-23

Wet barrel hydrant with pressure monitoring and leak detection

#46
20200212549
2020-07-02

Nozzle cap encapsulated antenna system

#47
20200080290
2020-03-12

Apparatus and method to mount sensors below a main valve of a fire hydrant

#48
20200071915
2020-03-05

Hydrant shoe assembly

#49
20200069987
2020-03-05

Infrastructure monitoring devices, systems, and methods

#50
20200041037
2020-02-06

STABILIZED PIPE SYSTEM AND PIPE STABILIZATION APPARATUS

#51
20190316983
2019-10-17

Enclosure for leak detector

#52
20190293198
2019-09-26

Fire hydrant

#53
20190293197
2019-09-26

Fire hydrant

#54
20190249781
2019-08-15

Water hammer prevention valve and method

#55
20190226184
2019-07-25

Shut-off element and hydrant with such a shut off element

#56
20190154324
2019-05-23

Dual auto hydrant for snowmaking gun and method of using same

#57
20180340912
2018-11-29

Noisemaker for pipe systems

#58
20180320809
2018-11-08

Unit, manifold, and flow path forming method

#59
20180291596
2018-10-11

EXTENDABLE STAND PIPE

#60
20180245319
2018-08-30

Hydrant tool

#61
20180224349
2018-08-09

LEAK DETECTION IN WATER DISTRIBUTION SYSTEMS USING ACOUSTIC SIGNALS

#62
20180136025
2018-05-17

Valve incorporating a flowmeter for measuring a flow of fluid inside same

#63
20180093117
2018-04-05

Infrastructure monitoring devices, systems, and methods

#64
20180073222
2018-03-15

Water Directing and Distribution System

#65
20170350544
2017-12-07

Extendable stand pipe and flex joint modules

#66
20170307103
2017-10-26

Valve arrangement, a method for identifying an underground valve of a valve arrangement and use of a use of valve arrangement

#67
20170204991
2017-07-20

Valve anti-theft device

#68
20170176395
2017-06-22

Noisemaker for pipe systems

#69
20170130431
2017-05-11

Fire hydrant monitoring system

#70
20170121949
2017-05-04

Enclosure for leak detector

#71
20170026105
2017-01-26

Tamper-resistant relay modules for communication within a mesh network

#72
20170016550
2017-01-19

Main valve with grooved rigid internal structure

#73
20160290698
2016-10-06

Dual auto hydrant for snowmaking gun and method of using same

#74
20160265198
2016-09-15

Locking fire hydrant

#75
20160265197
2016-09-15

Hydrant shear valve and method

#76
20160230373
2016-08-11

Main valve with grooved rigid internal structure

#77
20160201301
2016-07-14

Water supply outlet cap

#78
20160195209
2016-07-07

Water supply outlet cap

#79
20160069050
2016-03-10

Main valve with internal rigid structure

#80
20160001114
2016-01-07

Infrastructure monitoring devices, systems, and methods

#81
20150330062
2015-11-19

Removable fire hydrant nozzle with improved locking structure

#82
20150323098
2015-11-12

Lighted municipal valve key

#83
20150307378
2015-10-29

Fire hydrant potable water chlorine neutralizing unit

#84
20150267841
2015-09-24

Water hammer prevention valve and method

#85
20150240962
2015-08-27

Dual plate backflow and breakaway check valve

#86
20150152625
2015-06-04

Locking fire hydrant

#87
20150082868
2015-03-26

Infrastructure monitoring devices, systems, and methods

#88
20150075647
2015-03-19

Locking cap system

#89
20140261731
2014-09-18

Fire hydrant pressure indicator

#90
20140261730
2014-09-18

FIRE HYDRANT COVER WITH WATER PRESSURE INDICATOR SYSTEM

#91
20140261699
2014-09-18

Main valve with internal rigid structure

#92
20130248009
2013-09-26

SWIVEL WITH OR FOR HYDRANT MANIFOLD FOR INDUSTRIAL FIRE FIGHTING

#93
20130206241
2013-08-15

Flushing hydrant with fail-safe

#94
20130199625
2013-08-08

Flushing hydrant

#95
20130145826
2013-06-13

Leak detector and sensor

#96
20130126006
2013-05-23

Locking fire hydrant

#97
20130049968
2013-02-28

Fire hydrant leak detector

#98
20130041601
2013-02-14

Leak detector

#99
20130036796
2013-02-14

Enclosure for leak detector

#100
20120261002
2012-10-18

Multi-purpose collar attachment for fire hydrants

#101
20120042959
2012-02-23

Hydrant security system

#102
20120004866
2012-01-05

Non interrupting on-line water distribution pressure monitoring system for compression type wet and dry barrel fire hydrants

#103
20110308824
2011-12-22

Fire hydrant locking sprinkler cap, hydrant valve seals and lubrication access

#104
20110308638
2011-12-22

Infrastructure monitoring devices, systems, and methods

#105
20110217493
2011-09-08

Method and Product for Protecting and Extending the Life of Hydrant Markers

#106
20110186145
2011-08-04

Yard hydrant made easy

#107
20110168265
2011-07-14

Water hammer prevention valve and method

#108
20100313965
2010-12-16

Locking fire hydrant

#109
20100307609
2010-12-09

Fire Hydrant Anti-Tamper System

#110
20100132807
2010-06-03

DEVICE FOR SECURING FIRE HYDRANTS BY LOCKING THE CHECK MECHANISM OF A VALVE SPIGOT

#111
20090025798
2009-01-29

Adaptable water connection for fire fighting equipment and connection device

#112
20080209963
2008-09-04

Locking cap system

#113
20080047615
2008-02-28

YARD HYDRANT WITH CHECK VALVE

#114
20080023072
2008-01-31

Wet barrel fire hydrant flow preventer

#115
20070089786
2007-04-26

Wet barrel fire hydrant flow preventer

#116
20060201553
2006-09-14

Non-freeze wall hydrant

#117
20060196559
2006-09-07

Valve pressure accumulator

#118
20060042693
2006-03-02

Vented port-cap for fire hydrant

#119
20050103381
2005-05-19

Hydrant valve access system

#120
18381537
2025-01-14

Portable, self-contained liquid storage transport system and device

#121
17899973
2023-10-24

Portable, self-contained liquid storage transport system and device

#122
16940446
2021-11-23

Hydrant bayonet thrust nut and hydrant having the same

#123
16904287
2021-11-23

Water deflection tool

#124
16031115
2021-11-09

Hydrant monitoring system

#125
15477553
2019-01-01

Object location device and system

#126
14808814
2018-08-28

Optimizing hydrant selection for flow test of water distribution systems