ClassID:

128964

E02F3/94 - 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 Apparatus for separating stones from the dredged material, i.e. separating or treating dredged material

Sub-classes:
Recent Application in this class:
#1
20240271385
2024-08-15

BI-DIRECTIONAL SLED

#2
20230030715
2023-02-02

Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site

#3
20230007983
2023-01-12

VACUUM EXCAVATION SYSTEM AND METHOD FOR PREVENTING BLOCKAGES FROM FORMING THEREIN

#4
20220259816
2022-08-18

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

#5
20220178108
2022-06-09

Methods for reducing sediment plume in deepsea nodule mining

#6
20210332554
2021-10-28

HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF

#7
20210087784
2021-03-25

Systems and methods for reducing or preventing pluggage in an excavation vacuum apparatus

#8
20200332494
2020-10-22

Hydro excavation remote dig system

#9
20200217043
2020-07-09

Method for controlling the movement of an articulated hose carrier of a suction excavator

#10
20200165795
2020-05-28

Robot and collecting method for collecting polymetallic nodules in deep-sea

#11
20200164389
2020-05-28

Hydro excavation vacuum apparatus having deceleration vessels and methods for hydro excavating a site

#12
20200149247
2020-05-14

Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site

#13
20200149246
2020-05-14

Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen

#14
20200149245
2020-05-14

Hydro excavation vacuum apparatus

#15
20190376255
2019-12-12

HYDRO EXCAVATION REMOTE DIG SYSTEM

#16
20190127950
2019-05-02

MATERIAL-COLLECTING CONTAINER OF A SUCTION DREDGER

#17
20190017243
2019-01-17

Hydro excavation vacuum apparatus and fluid storage and supply systems thereof

#18
20190015766
2019-01-17

Cyclonic separation systems and hydro excavation vacuum apparatus incorporating same

#19
20190003150
2019-01-03

Liquid pump with a passive filtration system for dredging and water filtration

#20
20180119375
2018-05-03

Suction excavator with flow reversal and method for controlling same

#21
20180051440
2018-02-22

Cutterhead debris guard

#22
20170225197
2017-08-10

FLUIDIZED AGGREGATE SEPARATION SYSTEM

#23
20160168820
2016-06-16

Vacuum control method for a riser line

#24
20140283421
2014-09-25

Underwater trenching apparatus

#25
20100196129
2010-08-05

Mobile vacuum excavation process

#26
16915973
2023-12-05

Programmable dredge spoils slurry process and dewatering system