Patents-Review.com
ClassID:

128939 ⎘

E02F3/8858 - CPC Classification

Classification description:

Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers Submerged units

Sub-classes:
Recent Application in this class:
#1
20250067020
2025-02-27

MATERIAL TRANSFER SYSTEM FOR A BODY OF WATER

 #2
20250043886
2025-02-06

Seafloor Pipeline Removal System and Method

 #3
20250012046
2025-01-09

SEABED RESOURCE LIFTING APPARATUS

 #4
20230138350
2023-05-04

Underwater excavation apparatus

 #5
20230115844
2023-04-13

Seafloor pipeline removal system and method

 #6
20230045315
2023-02-09

Underwater excavation apparatus

 #7
20220341509
2022-10-27

Seafloor pipeline removal system and method

 #8
20220259816
2022-08-18

ENVIRONMENTALLY-FRIENDLY SEMI-CLOSED LOOP DEEP-SEA ORE HYDRAULIC LIFTING SYSTEM

 #9
20210214916
2021-07-15

Seabed resource lifting apparatus

 #10
20210009248
2021-01-14

PILE LEG WALKING TYPE MINING ROBOT

 #11
20200407940
2020-12-31

Underwater excavation apparatus

 #12
20200392698
2020-12-17

Material transfer system for a body of water

 #13
20200023281
2020-01-23

Publicly accessible urban beach entertainment complex with a centerpiece man-made tropical-style lagoon and method for providing efficient utilization of limited use land

 #14
20190145081
2019-05-16

Dredging system and dredger for pre-paved gravel foundation bed surface in open sea deepwater

 #15
20190071842
2019-03-07

Hydraulic excavation and delivery device

 #16
20190063218
2019-02-28

Cluster-type deep-sea submarine mining equipment based on vortex hydrodynamic characteristics

 #17
20180187395
2018-07-05

MINERAL LIFTING SYSTEM AND MINERAL LIFTING METHOD

 #18
20170254044
2017-09-07

Systems and methods for backflushing a riser transfer pipe

 #19
20170184246
2017-06-29

Unbonded flexible pipe for transporting an abrasive material, associated method and associated use

 #20
20160289917
2016-10-06

Seabed resource lifting device

 #21
20160168992
2016-06-16

Tailing deposit tool

 #22
20160076218
2016-03-17

Apparatus for collecting surface seabed sediment and apparatus for collecting seabed sediment using the same

 #23
20150367917
2015-12-24

Production Support and Storage Vessel

 #24
20150184358
2015-07-02

Self cleaning collection apparatus and method

 #25
20150007463
2015-01-08

METHOD AND APPARATUS FOR UNDERWATER PILE EXCAVATING

 #26
20140215865
2014-08-07

Vibrating agitator attachment for Toyo dredge pumps

 #27
20130270194
2013-10-17

Method and device for underwater recovery of products or pollutants

 #28
20100139130
2010-06-10

Underwater Excavation Tool

 #29
20090284068
2009-11-19

System and method of utilizing monitoring data to enhance seafloor sulfide production for deepwater mining system

 #30
20090255865
2009-10-15

Sludge treatment system for dam

 #31
20090077835
2009-03-26

Deep sea mining riser and lift system

 #32
20060231262
2006-10-19

Method and device for removing subsea rocks and sediments

 #33
15256042
2018-10-09

Sediment suction sink and method for sediment control in rivers, streams, and channels