E02F3/8875 - CPC Classification Index

ClassID:

128941 ⎘

E02F3/8875 - 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 pulled or pushed

Recent Application in this class:

20220267989

2022-08-25

Dredging method and apparatus

20200147521

2020-05-14

Sludge harvester improvements

20200109628

2020-04-09

Decoupled seafloor mining system

20190345687

2019-11-14

Autonomous vertically-adjustable dredge

20170122102

2017-05-04

Decoupled seafloor mining system

20160168992

2016-06-16

Tailing deposit tool

20140190044

2014-07-10

Drag head and trailing suction hopper dredger

20140026449

2014-01-30

Method of dredging a pond

20120216435

2012-08-30

MUD/SLUDGE REMOVING DEVICE

#10

20120125441

2012-05-24

SLUDGE EXTRACTION APPARATUS AND METHOD

#11

20110056098

2011-03-10

Underwater excavation apparatus

#12

20110042284

2011-02-24

DREDGING APPARATUS

#13

20100011627

2010-01-21

Dredging apparatus

#14

20090026131

2009-01-29

Method and apparatus for collecting and/or removing sludge

#15

20050211637

2005-09-29

Sludge harvester for removing sludge from sludge ponds