Patents-Review.com
ClassID:

129200 ⎘

E03B9/04 - CPC Classification

Classification description:

Hydrants; Arrangements of valves therein; Keys for hydrants Column hydrants

Sub-classes:
Recent Application in this class:
#1
20260110157
2026-04-23

SYSTEM WITH SENSOR AND ACTUATED PURGE VALVE

 #2
20260055824
2026-02-26

EXPANDING SYSTEMS FOR BREAK CHECK WATER DAMPENING

 #3
20260049464
2026-02-19

VALVE ASSEMBLY WITH AIR RELEASE AND SENSOR

 #4
20250188718
2025-06-12

Industrial Hydrant

 #5
20250084621
2025-03-13

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

 #6
20240229429
2024-07-11

WATER DISPENSING ASSEMBLY FOR CONNECTING TO A FIRE HYDRANT

 #7
20240133163
2024-04-25

WATER DISPENSING ASSEMBLY FOR CONNECTING TO A FIRE HYDRANT

 #8
20230407610
2023-12-21

DUAL SENSOR FOR HYDRANT

 #9
20230349134
2023-11-02

Automatic shutoff valve for breakaway wet barrel fire hydrant

 #10
20230228069
2023-07-20

Monitoring apparatus for hydrant

 #11
20230226395
2023-07-20

Water and Electrical Supply System for Firefighting

 #12
20230212841
2023-07-06

Self-contained hydrant monitoring system

 #13
20230167913
2023-06-01

Watertight check valve

 #14
20230140627
2023-05-04

Method for remote estimation of the hydrant water pressure at a hydrant and a hydrant water pressure estimation system

 #15
20230096696
2023-03-30

Method of preventing tampering with a hydrant

 #16
20220372736
2022-11-24

Fire hydrant system

 #17
20220325747
2022-10-13

Fire hydrant

 #18
20220307242
2022-09-29

Foldable hydrant marker

 #19
20220290416
2022-09-15

Hydrant monitoring system

 #20
20220235816
2022-07-28

Fire hydrant

 #21
20220196182
2022-06-23

Tamper-resistant operating nut for hydrants

 #22
20220106778
2022-04-07

Monitoring apparatus for hydrant

 #23
20220074512
2022-03-10

Watertight check valve

 #24
20210372099
2021-12-02

Auxiliary valve for hydrant

 #25
20210340742
2021-11-04

A BACKFLOW PREVENTER, A HOSE COUPLING OF A HYDRANT AND A HYDRANT

 #26
20210293340
2021-09-23

Watertight check valve

 #27
20210198873
2021-07-01

Hydrant monitoring system

 #28
20210131584
2021-05-06

Tamper-resistant operating nut for hydrants

 #29
20210079631
2021-03-18

Hydrant monitoring system

 #30
20200385962
2020-12-10

Hydrant monitoring system

 #31
20200385961
2020-12-10

Hydrant monitoring system

 #32
20200332919
2020-10-22

Fire hydrant baffle

 #33
20200332501
2020-10-22

Hydrant drain

 #34
20200300680
2020-09-24

WATER FLOW MONITORING DEVICE

 #35
20200256474
2020-08-13

Low profile break-off check valve for wet barrel hydrant

 #36
20200157785
2020-05-21

Supply assembly for use with multiple lines of a hydrant

 #37
20200063404
2020-02-27

Bearing system for a fire hydrant

 #38
20200063403
2020-02-27

Fire hydrant, fire hydrant stem, and fire hydrant upper stem assembly

 #39
20200049269
2020-02-13

Stem coupling

 #40
20200003329
2020-01-02

Tamper-resistant operating nut for hydrants

 #41
20190292755
2019-09-26

Adjustable drain valve for dry barrel fire hydrant

 #42
20190277010
2019-09-12

Automatic fire hydrant water supplying system

 #43
20190226184
2019-07-25

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

 #44
20190195388
2019-06-27

Tamper-resistant operating nut for hydrants

 #45
20190128452
2019-05-02

Break-away traffic flange for a hydrant

 #46
20190128335
2019-05-02

Torque-reducing sleeve for a hydrant stem

 #47
20190119887
2019-04-25

Hydrant draining

 #48
20190112793
2019-04-18

Structural improvement of piston set for use in hydrant

 #49
20180291596
2018-10-11

EXTENDABLE STAND PIPE

 #50
20180282982
2018-10-04

Self-draining hydrant with piston assembly

 #51
20180282981
2018-10-04

Valve assembly for use with multiple liquid lines

 #52
20180240314
2018-08-23

Shrink wrapped advertising for fire hydrants and fixtures

 #53
20180230682
2018-08-16

Hydrant assembly

 #54
20180223507
2018-08-09

Hydrant stem coupling with ribs

 #55
20180171606
2018-06-21

Hydrant shear valve and method

 #56
20180058613
2018-03-01

Capture nozzle housing for fire hydrant nozzle

 #57
20180058047
2018-03-01

Breaker strap for fire hydrant breaker assembly

 #58
20170370893
2017-12-28

UNIVERSAL MULTI-PARAMETER REMOTE WATER MONITORING SYSTEM

 #59
20170350544
2017-12-07

Extendable stand pipe and flex joint modules

 #60
20170307097
2017-10-26

Backflow and breakaway check valve

 #61
20170268205
2017-09-21

Remotely Controlled Hydrant System

 #62
20170241114
2017-08-24

Multiple flow rate hydrant

 #63
20170211258
2017-07-27

Shrink wrapped advertising for fire hydrants

 #64
20170016550
2017-01-19

Main valve with grooved rigid internal structure

 #65
20160265683
2016-09-15

Device for securing a fire hydrant valve using a moveable element

 #66
20160265197
2016-09-15

Hydrant shear valve and method

 #67
20160237660
2016-08-18

Remotely controlled hydrant system

 #68
20160230373
2016-08-11

Main valve with grooved rigid internal structure

 #69
20160101307
2016-04-14

FIRE HYDRANT SECURITY INTEGRATED FLOW CONTROL/BACKFLOW PREVENTER INSERT VALVE

 #70
20150330578
2015-11-19

Water manifold and valve holder

 #71
20150240962
2015-08-27

Dual plate backflow and breakaway check valve

 #72
20150129052
2015-05-14

Freeze proof sanitary yard hydrant

 #73
20140352800
2014-12-04

System for contaminant isolation and flushing

 #74
20140340087
2014-11-20

Valve box

 #75
20140261699
2014-09-18

Main valve with internal rigid structure

 #76
20130206241
2013-08-15

Flushing hydrant with fail-safe

 #77
20130042924
2013-02-21

Fire hydrant security integrated flow control/backflow preventer insert valve

 #78
20120261002
2012-10-18

Multi-purpose collar attachment for fire hydrants

 #79
20120048386
2012-03-01

System for contaminant isolation and flushing

 #80
20100065133
2010-03-18

Device for securing the valves of fire posts using the control tube

 #81
20090133887
2009-05-28

Adaptable water connection for fire fighting equipment and connection device

 #82
20080245420
2008-10-09

Nozzle Attachment for Fire Hydrant

 #83
20080023072
2008-01-31

Wet barrel fire hydrant flow preventer

 #84
20080006327
2008-01-10

Hydrant roof mount

 #85
20070272300
2007-11-29

Plated fire hydrant rod

 #86
20070163653
2007-07-19

Post yard hydrant with controlled adjustable flow

 #87
20070095396
2007-05-03

Assembly to mount a hydrant to a roof

 #88
20070089786
2007-04-26

Wet barrel fire hydrant flow preventer

 #89
20060254647
2006-11-16

Yard hydrant with drain port check valve

 #90
20060207657
2006-09-21

Retrofitting a fire hydrant with secondary valve

 #91
20060201550
2006-09-14

Polymeric fire hydrant

 #92
20060169323
2006-08-03

Pedestal hydrant

 #93
20060000092
2006-01-05

Fire hydrant valve seat flange

 #94
20050173001
2005-08-11

Sanitary yard hydrant

 #95
20050103381
2005-05-19

Hydrant valve access system

 #96
20050067015
2005-03-31

Flushing attachment for hydrant

 #97
20050034763
2005-02-17

Pedestal hydrant

 #98
18069131
2023-07-25

Mobile fire hydrant apparatus and method of providing water for firefighting

 #99
17835721
2023-08-15

Automatic shutoff valve for breakaway wet barrel fire hydrant

 #100
17692986
2022-07-05

Automatic shutoff valve for breakaway wet barrel fire hydrant

 #101
15789227
2019-10-29

Hydrant-mountable pressure control and relief valve apparatus

 #102
14303808
2015-03-31

Fire hydrant break off valve

 #103
14202644
2015-12-22

System for remote fire hydrant reconnaissance

 #104
14120053
2015-09-29

Tubular plastic hydrant