ClassID:

128936

E02F3/8833 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20250389102
2025-12-25

Method of underwater trenching or dredging

#2
20250361695
2025-11-27

DREDGING APPARATUS

#3
20220243591
2022-08-04

DEEP-SEA ORE HYDRAULIC LIFTING SYSTEM WITH DEEP-SEA SINGLE HIGH-PRESSURE SILO FEEDING DEVICE

#4
20220228342
2022-07-21

System for the dradging of underwater sea-beds

#5
20210071378
2021-03-11

Device for a sediment transfer in waters, and also a method for a transfer of sediment in waters

#6
20210062457
2021-03-04

DREDGING APPARATUS, SYSTEM, AND METHOD WITH ADJUSTABLE TURBIDITY CURTAIN AND BUBBLE TUBE FRAME

#7
20200270845
2020-08-27

METHOD OF EXCAVATING A TAILINGS LAGOON

#8
20190316596
2019-10-17

Impeller with rotor blades for centrifugal pump

#9
20170254044
2017-09-07

Systems and methods for backflushing a riser transfer pipe

#10
20170191242
2017-07-06

Earth removal and sand mining system and method

#11
20170190402
2017-07-06

Gearbox for a dredging vessel

#12
20160297502
2016-10-13

Device for launching a subsurface mining vehicle into a water mass and recovering the same from the water mass

#13
20160228796
2016-08-11

Recovering mature fine tailings from oil sands tailings ponds

#14
20160148711
2016-05-26

Nuclear facility pool cleaning device

#15
20140310997
2014-10-23

Cavitating water jet hard rock dredge mining system

#16
20140230287
2014-08-21

METHOD OF RECOVERING A DEPOSIT FROM THE SEA BED

#17
20140169989
2014-06-19

Bubble lift system and bubble lift method

#18
20070205164
2007-09-06

Sludge removal

#19
14727689
2015-09-08

Recovering mature fine tailings from oil sands tailings ponds