ClassID:

128504

E02D19/04 - CPC Classification

Classification description:

Keeping dry foundation sites or other areas in the ground; Restraining of open water by coffer-dams, e.g. made of sheet piles

Recent Application in this class:
#1
20250327262
2025-10-23

Portable Cofferdam System

#2
20240344292
2024-10-17

Portable Cofferdam System

#3
20230243118
2023-08-03

Portable cofferdam system

#4
20230166987
2023-06-01

Subsea sediment separation and filtration system

#5
20230064296
2023-03-02

Water intake pipeline structure passing through soft foundation embankment below flood level and construction method

#6
20230002998
2023-01-05

Method for constructing steel sheet pile cofferdam on deep sand gravel overburden layer

#7
20220380998
2022-12-01

Portable Cofferdam Assembly System

#8
20220213662
2022-07-07

Dynamically deployable low-visibility pneumatic cofferdam system, method and apparatus

#9
20220042270
2022-02-10

Deployable cofferdam web-supporting frame assembly for a cofferdam system, cofferdam system comprising the same and corresponding method for delimiting an enclosure within a body of water

#10
20220041472
2022-02-10

Suction pile cofferdam

#11
20220034059
2022-02-03

Portable cofferdam system

#12
20210348358
2021-11-11

Ring-shaped cofferdam and temporary pit excavation structure using tapered square pipe, and construction method thereof

#13
20210324597
2021-10-21

Dynamically deployable low-visibility pneumatic cofferdam system, method and apparatus

#14
20200208371
2020-07-02

COFFER DAM WITH AN INTERLOCKING BAFFLE SYSTEM

#15
20200173132
2020-06-04

Steel pipe cofferdam construction method using suction penetration and stacking of pipe members

#16
20200157758
2020-05-21

Cofferdam system and method of installing the same

#17
20200032475
2020-01-30

Portable cofferdam system

#18
20180230663
2018-08-16

Portable cofferdam system

#19
20180106008
2018-04-19

Portable cofferdam system

#20
20160340852
2016-11-24

CONSTRUCTION METHOD FOR FIXING HOLLOW COLUMN FOR SUPPORTING MARINE STRUCTURES AND OFFSHORE PLATFORMS TO A SEABED

#21
20150197911
2015-07-16

Adjustable mount for positioning a coffer dam

#22
20140166649
2014-06-19

Modular above-ground tank

#23
20140112718
2014-04-24

Universal cellular cofferdam with embedded columnar framing and embedded rock anchor mechanism

#24
20130294835
2013-11-07

MOBILE DRY SETTING ELEMENT AND INSTALLATION, PROCESS FOR USING SAME AND USE THEREOF

#25
20130020331
2013-01-24

Portable dam assemblies and methods for assembling same

#26
20120224920
2012-09-06

Cofferdam modules

#27
20110016644
2011-01-27

SCOUR PREVENTIVE APPARATUS FOR PIER FOUNDATION

#28
20100232878
2010-09-16

Universal Framed Cofferdam

#29
20100189503
2010-07-29

Coffer dam for servicing marine structures

#30
20100067986
2010-03-18

Adjustable system and method for carrying out work at an underwater structure

#31
17333269
2022-02-08

Portable cofferdam assembly system

#32
17062854
2021-10-19

Portable cofferdam system

#33
16159917
2019-10-08

Portable cofferdam system

#34
15494662
2018-12-18

Above ground containment systems and methods for assembling same

#35
15182538
2017-10-24

Cofferdam

#36
14881845
2017-04-25

Above ground containment systems and methods for assembling same