E02F3/90 - CPC Classification Index

ClassID:

128944 ⎘

E02F3/90 - CPC Classification

Classification description:

Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers Component parts, e.g. arrangement or adaptation of pumps

Sub-classes:

E02F3/902 » {for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe} 15
E02F3/905 » {Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes } 54
E02F3/907 » {Measuring or control devices, e.g. control units, detection means or sensors } 83
E02F3/92 » Digging elements, e.g. suction heads 16
E02F3/94 » Apparatus for separating stones from the dredged material, {i.e. separating or treating dredged material } 25

Recent Application in this class:

20260085489

2026-03-26

BOOM ASSEMBLY FOR AN EXCAVATION VEHICLE AND METHOD THEREOF

20240426076

2024-12-26

MATERIAL COLLECTION CONTAINER OF A SUCTION DREDGER WITH IMPROVED RESISTANCE TO NEGATIVE PRESSURE

20240173892

2024-05-30

Mixing systems and methods including disk assemblies

20240067552

2024-02-29

Device and method for large-scale flow solidification treatment of dredged sediment in pipeline without yard

20240017658

2024-01-18

Vacuum excavator tank and door system

20240003477

2024-01-04

Hydro-vac fitting

20230374751

2023-11-23

DREDGE SYSTEM

20220243591

2022-08-04

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

20220145583

2022-05-12

BOOM ASSEMBLY FOR AN EXCAVATION VEHICLE AND METHOD THEREOF

#10

20220111343

2022-04-14

BATCH PROCESSING OF MATERIAL COLLECTED BY A VACUUM EXCAVATION UNIT

#11

20210394663

2021-12-23

Vacuum excavator tank and door system

#12

20210379797

2021-12-09

Mixing systems having disk assemblies

#13

20210332919

2021-10-28

Dig tubes and fittings for tubulars

#14

20210017734

2021-01-21

VISUAL CUES TO REDUCE MARINE LIFE MORTALITY DURING A DREDGING OPERATION

#15

20200391648

2020-12-17

Boom hose apparatus

#16

20200318313

2020-10-08

EXCAVATOR BUCKET FOR UNDERWATER USE

#17

20200309304

2020-10-01

Hydro-vac fitting

#18

20200309296

2020-10-01

Hydro-vac fitting

#19

20200032478

2020-01-30

Hydrovac

#20

20190376255

2019-12-12

HYDRO EXCAVATION REMOTE DIG SYSTEM

#21

20190316596

2019-10-17

Impeller with rotor blades for centrifugal pump

#22

20190255981

2019-08-22

Boom hose apparatus

#23

20190111825

2019-04-18

Vehicle with a tiltable material collecting container as well as an emptying module

#24

20180216312

2018-08-02

Underwater trenching apparatus and pumping apparatus

#25

20180087237

2018-03-29

Hydrovac

#26

20170362798

2017-12-21

SYSTEM AND METHOD TO DRIVE VACUUM EXCAVATOR

#27

20170292240

2017-10-12

Cleaning device for cleaning an underwater ground-working apparatus and method

#28

20170252687

2017-09-07

AIR DISTRIBUTING MANIFOLD FOR A HYDROVAC TANK

#29

20170234466

2017-08-17

Dig tubes and fittings for tubulars

#30

20170183843

2017-06-29

Remote debris tank and related methods

#31

20170043353

2017-02-16

Suction Dredge Lift Station

#32

20160244941

2016-08-25

Aero-excavation apparatus and method of operating the same

#33

20150367917

2015-12-24

Production Support and Storage Vessel

#34

20150345292

2015-12-03

Disconnectable method and system for seafloor mining

#35

20150176243

2015-06-25

Air diverter for a vacuum excavator

#36

20150082670

2015-03-26

Subsea excavation systems and methods

#37

20150052785

2015-02-26

Adjustable slurry spreader plate assembly

#38

20140360058

2014-12-11

Pump apparatus and underwater trenching apparatus

#39

20140318803

2014-10-30

Riser system for transporting a slurry from a position adjacent to the seabed to a position adjacent to the sea surface

#40

20140015302

2014-01-16

Apparatus for the dredging of sediments from the seabed

#41

20130340298

2013-12-26

Dredging head apparatus

#42

20130189060

2013-07-25

Excavation system

#43

20110296646

2011-12-08

Mobile vacuum with remote debris tank

#44

20110214758

2011-09-08

Control system

#45

20110036635

2011-02-17

Hydrovac with Blower in Tank

#46

20090241383

2009-10-01

Suction tube device provided with drive systems and method of repairing same

#47

20070267913

2007-11-22

Lifting pump for manganese nodules

#48

15374772

2017-06-13

Dredge having modular hydraulic manifolds