ClassID:

128256

E02B8/085 - CPC Classification

Classification description:

Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates; Fish passes or other means providing for migration of fish ; Passages for rafts or boats Devices allowing fish migration, e.g. fish traps

Recent Application in this class:
#1
20260125869
2026-05-07

Auxiliary Facilities and Method for Fish Resource Recovery in Open Water Diversion Channel

#2
20260110150
2026-04-23

TAIJI FISHWAY STRUCTURE

#3
20260028788
2026-01-29

Dam with Contaminants Entombing Cap

#4
20260015809
2026-01-15

FISHWAY WITH A POOL HEAD AND A POOL TAIL

#5
20250109559
2025-04-03

ZERO-ASCEND OMNISPECIES (ZAO) PREFABRICATED FISH PASSAGE ATTRACTION SYSTEM

#6
20240328106
2024-10-03

Fish Passage System For Medium And High Head Dams

#7
20240254711
2024-08-01

BI-DIRECTIONAL FISH PASS HELIX

#8
20240254710
2024-08-01

Fish-passing system and a fish-passing method with tourist ornamental function

#9
20240183120
2024-06-06

STEP-BY-STEP PAIRED AND UP-DOWN RECIPROCATING COMBINED FISHWAY AND FISH PASSAGE METHOD

#10
20240167239
2024-05-23

SCALED HYDROPOWER WITH SEALS

#11
20240167238
2024-05-23

Floating river

#12
20240110355
2024-04-04

WATER-REPLENISHING FISHWAY WITH ADAPTIVELY-ADJUSTED FLOATING DOCK

#13
20240110354
2024-04-04

Method, System & Apparatus for Asymmetric Flow Guidance of Fish

#14
20240110350
2024-04-04

FISH GUIDANCE STRUCTURE

#15
20240093450
2024-03-21

DEVICE FOR THE MIGRATION OF AQUATIC ANIMALS

#16
20230392333
2023-12-07

Buffering fishway suitable for emergent flood discharge with reduction in damage and buffering method thereof

#17
20230358007
2023-11-09

FISH TRANSFER SYSTEM AND METHOD

#18
20230117154
2023-04-20

Fish passage system for medium and high head dams

#19
20230085258
2023-03-16

Spur dike type fishway inlet

#20
20230011618
2023-01-12

Zero-ascend omnispecies (ZAO) prefabricated fish passage attraction system

#21
20220154416
2022-05-19

Precast dam structure with flowpath

#22
20220106754
2022-04-07

Bi-directional fish pass helix

#23
20210190753
2021-06-24

Autonomous Sensor Fish to Support Advanced Hydropower Development

#24
20210176971
2021-06-17

INVOLUNTARY GUIDANCE AND TRANSPORT SYSTEM FOR FISH

#25
20200370262
2020-11-26

Scaled hydropower

#26
20200291630
2020-09-17

STORMWATER CHANNEL AND METHOD FOR IMPROVING A STORMWATER CHANNEL ECOSYSTEM

#27
20200256025
2020-08-13

Alternating side-baffle fish ladder for passing fish at dams or natural barriers

#28
20200217032
2020-07-09

Migratory fish passage arrangement

#29
20200024814
2020-01-23

FISH LIFT AND DESCENT DEVICE FOR SAVE THE OBSTACLES IN THE RIVERS, GENERATING ELECTRICAL ENERGY

#30
20190323192
2019-10-24

Technical fish lock

#31
20190277000
2019-09-12

Precast dam structure with flowpath

#32
20190119874
2019-04-25

Migratory fish passage arrangement

#33
20190056372
2019-02-21

Autonomous sensor fish to support advanced hydropower development

#34
20180288981
2018-10-11

Method, system, and harvesting apparatus for aquaculture trench maintenance and harvesting

#35
20180223491
2018-08-09

Fine mesh fish larvae protection system for traveling water screens

#36
20170370063
2017-12-28

PRECAST DAM STRUCTURE WITH FLOWPATH

#37
20170314219
2017-11-02

Method for artificially eroding dammed bodies of water

#38
20170089878
2017-03-30

Autonomous sensor fish to support advanced hydropower development

#39
20160286766
2016-10-06

Aquatic animal passage with counter

#40
20160201283
2016-07-14

Transporter and fish lock

#41
20160076213
2016-03-17

Corrugated fish screen with continuous flow refugia

#42
20160076212
2016-03-17

Arrangement on flowing bodies of water

#43
20160024735
2016-01-28

Helical eel ramp

#44
20160017558
2016-01-21

Aquatic Animal Passage With Counter

#45
20150285209
2015-10-08

Systems comprising a plurality of shafts and connecting channel

#46
20150247300
2015-09-03

Environmentally-friendly safe weir comprising both water way and fishway

#47
20140356070
2014-12-04

Fish levitation system

#48
20140284934
2014-09-25

Energy generating unit

#49
20130236249
2013-09-12

System and methods for bypassing an aquatic obstruction

#50
20120148344
2012-06-14

Safety Fish Way

#51
20110280663
2011-11-17

Fish passage apparatus with flow restriction and method

#52
20110146802
2011-06-23

WATER INTAKE STRUCTURE

#53
20100086357
2010-04-08

Fish passes

#54
20090317191
2009-12-24

FISH WAY OF TURBINE STRUCTURE AND GATE STRUCTURE FOR TIDAL POWER PLANT

#55
20080213045
2008-09-04

Structure and method for facilitating safe downstream passage of migrating fish around hydroelectric projects

#56
20070274785
2007-11-29

Hydraulic Wall-Dam

#57
20070269268
2007-11-22

Intake apparatus for dams

#58
20070248415
2007-10-25

Fishway Block

#59
20070189853
2007-08-16

Bio-passage for disrupting laminar flow

#60
20070065231
2007-03-22

Inflatable weir fish passage systems and methods

#61
20060289075
2006-12-28

Corrugated conduit with reinforcement and flow control features

#62
20060201859
2006-09-14

Water screen

#63
20060090708
2006-05-04

Fish barrier

#64
20060032798
2006-02-16

Water screen

#65
20050129463
2005-06-16

Irrigation gate system

#66
20050123354
2005-06-09

Method for improving the environment within soil embedded culvert and bridge systems

#67
20050074289
2005-04-07

High-flow sediment-free fish ladder

#68
20050013664
2005-01-20

Fish ladder for passing dams

#69
17157172
2022-04-26

Fishway effect evaluation method based on stable isotope method

#70
14629620
2019-02-19

Mechanical fish trap