Patents-Review.com
ClassID:

128242 ⎘

E02B7/44 - CPC Classification

Classification description:

Barrages or weirs; Layout, construction, methods of, or devices for, making same; Movable barrages; Lock or dry-dock gates; Swinging or turning gates Hinged-leaf gates

Recent Application in this class:
#1
20240247454
2024-07-25

High-efficient swift stepless layering water taking gate device

 #2
20230175223
2023-06-08

WATER CONTROL GATE ABUTMENT AIR VENT

 #3
20220145562
2022-05-12

Watertight structure for flap gate and flap gate comprising same

 #4
20220127815
2022-04-28

Pier hatch control system

 #5
20220049444
2022-02-17

Systems for water control gate anchoring

 #6
20210172138
2021-06-10

FLOATING FLAP GATE APPARATUS

 #7
20210148074
2021-05-20

GATE, LEAF AND METHOD FOR CONTROLLING WATER LEVELS IN A BODY OF WATER

 #8
20200299915
2020-09-24

Water Control Gate

 #9
20200048853
2020-02-13

Flap gate

 #10
20190345684
2019-11-14

Rotation bearing of flap gate and flap gate

 #11
20190063026
2019-02-28

Water Control Gate

 #12
20190048546
2019-02-14

WAVE DISSECTING AND REDIRECTING EQUIPMENT AND SYSTEM TO LIMIT EFFECTS OF TIDE ON COASTAL AREAS

 #13
20180282963
2018-10-04

Single bay mechanical closure device

 #14
20180266067
2018-09-20

Water Gate

 #15
20180258600
2018-09-13

Sluice gate

 #16
20180209111
2018-07-26

Water control gate anchoring methods

 #17
20180135266
2018-05-17

Opening/closing device

 #18
20180094397
2018-04-05

Water control apparatus

 #19
20170292238
2017-10-12

Floating flap gate

 #20
20170284047
2017-10-05

Sluice gate

 #21
20170167097
2017-06-15

Water control gate anchoring system and method

 #22
20170058473
2017-03-02

Pressure differential open dike equipment and open dike system to limit effects of tide on upstream areas

 #23
20160369469
2016-12-22

Self-activating flood protection barrier

 #24
20160281314
2016-09-29

Stretch Dam

 #25
20160244928
2016-08-25

Flood guard barrier lifting system

 #26
20160010298
2016-01-14

Flood guard barrier lifting system

 #27
20150337513
2015-11-26

Water control apparatus

 #28
20150218767
2015-08-06

Sluice gate

 #29
20140328628
2014-11-06

Floating flap gate

 #30
20140169883
2014-06-19

Self-actuating shoreline flood guard

 #31
20140140770
2014-05-22

Floating flap gate

 #32
20130343821
2013-12-26

Water control apparatus

 #33
20130292589
2013-11-07

Large-scale hydraulic variable-speed floating box flap valve

 #34
20130156503
2013-06-20

FLOOD PROTECTION GATE FOR VEHICULAR & PEDESTRIAN TRAFFIC

 #35
20120237297
2012-09-20

Raised state holding mechanism of flap gate for breakwater

 #36
20120219360
2012-08-30

Mooring device for flap-gate breakwater

 #37
20120201672
2012-08-09

Shaft power plant

 #38
20120034032
2012-02-09

Self-Actuating Flood Guard

 #39
20110116871
2011-05-19

Water control apparatus

 #40
20100310314
2010-12-09

SELF-REGULATING TIDE GATE

 #41
20090180835
2009-07-16

Water Control Apparatus

 #42
20070237585
2007-10-11

Water barrier device

 #43
20070189854
2007-08-16

Apparatus and method for flood defence

 #44
20060250258
2006-11-09

Device for barricading a room

 #45
20060072969
2006-04-06

Water control apparatus

 #46
16457798
2020-07-14

Flap gate drainage systems for coupling to a wall

 #47
15943303
2019-08-27

Flap gate drainage systems