Patents-Review.com
ClassID:

128956 ⎘

E02F3/925 - 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; Digging elements, e.g. suction heads; Passive suction heads with no mechanical cutting means with jets

Recent Application in this class:
#1
20240417952
2024-12-19

DEVICE AND METHOD FOR REMOVING GRANULAR MATERIAL

 #2
20240417951
2024-12-19

DREDGING SYSTEM AND METHOD FOR DREDGING

 #3
20230407592
2023-12-21

SUCTION GENERATION DEVICE

 #4
20230349127
2023-11-02

Suction Dredger for Use on Underwater Hard Soil Layer

 #5
20230279636
2023-09-07

Apparatus and method for underwater dredging

 #6
20230030715
2023-02-02

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

 #7
20220267989
2022-08-25

Dredging method and apparatus

 #8
20220056664
2022-02-24

Device for the removal of sludge and/or sand from the bottom of a wetland

 #9
20210332554
2021-10-28

HYDRO EXCAVATION VACUUM APPARATUS AND FLUID STORAGE AND SUPPLY SYSTEMS THEREOF

 #10
20210270009
2021-09-02

Method of exposing a utility buried below a roadway and a bore hole cleaning device

 #11
20210189685
2021-06-24

COLLECTION TANK

 #12
20210172150
2021-06-10

System, Method and Apparatus for Servicing Support Poles

 #13
20210156112
2021-05-27

System, Method and Apparatus For Servicing Support Poles

 #14
20210047799
2021-02-18

Collection tank

 #15
20210025188
2021-01-28

SYSTEM, METHOD AND APPARATUS FOR SERVICING SUPPORT POLES

 #16
20200362533
2020-11-19

Hydrovac Excavation System Having Object Detection

 #17
20200270845
2020-08-27

METHOD OF EXCAVATING A TAILINGS LAGOON

 #18
20200224445
2020-07-16

SYSTEM, METHOD AND APPARATUS FOR SERVICING SUPPORT POLES

 #19
20200181875
2020-06-11

Collection tank

 #20
20200164389
2020-05-28

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

 #21
20200149247
2020-05-14

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

 #22
20200149246
2020-05-14

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

 #23
20200149245
2020-05-14

Hydro excavation vacuum apparatus

 #24
20190163340
2019-05-30

Service mode selection system for service vehicle

 #25
20190145081
2019-05-16

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

 #26
20190071842
2019-03-07

Hydraulic excavation and delivery device

 #27
20190048557
2019-02-14

Nozzle and vacuum unit with air and water

 #28
20190017243
2019-01-17

Hydro excavation vacuum apparatus and fluid storage and supply systems thereof

 #29
20190015766
2019-01-17

Cyclonic separation systems and hydro excavation vacuum apparatus incorporating same

 #30
20180266074
2018-09-20

System for recovering minerals from the seabed

 #31
20180245309
2018-08-30

Collection tank

 #32
20180066410
2018-03-08

Digging and backfill apparatus

 #33
20180015486
2018-01-18

Supersonic air knife with a supersonic variable flow nozzle

 #34
20170145656
2017-05-25

Digging and backfill apparatus

 #35
20170058484
2017-03-02

Vacuum unit and truck with air and water

 #36
20160245272
2016-08-25

Water pump control system

 #37
20160244941
2016-08-25

Aero-excavation apparatus and method of operating the same

 #38
20160186409
2016-06-30

SUCTION HEAD FOR A DREDGER

 #39
20160153168
2016-06-02

Collection tank

 #40
20140373399
2014-12-25

EXCAVATION SYSTEM

 #41
20140283420
2014-09-25

Subsea mining tool including a suction mouth

 #42
20140239624
2014-08-28

Collection tank

 #43
20140230938
2014-08-21

Collection tank

 #44
20140230937
2014-08-21

Collection tank

 #45
20140182173
2014-07-03

Digging and backfill apparatus

 #46
20140020268
2014-01-23

System and method to excavate using pneumatic shock wave

 #47
20130340298
2013-12-26

Dredging head apparatus

 #48
20130340297
2013-12-26

SYSTEM AND METHOD TO EXCAVATE USING VACUUM EXCAVATOR

 #49
20130189060
2013-07-25

Excavation system

 #50
20130134163
2013-05-30

Collection tank

 #51
20120216435
2012-08-30

MUD/SLUDGE REMOVING DEVICE

 #52
20120181041
2012-07-19

Gas Hydrate Harvesting

 #53
20110258890
2011-10-27

Digging and backfill apparatus

 #54
20110107548
2011-05-12

VACUUM SYSTEM WITH IMPROVED MOBILITY

 #55
20110088289
2011-04-21

Collection tank

 #56
20100326481
2010-12-30

Mobile method for servicing or cleaning a utility sewer or drainage pipe

 #57
20100320204
2010-12-23

COLLECTION TANK

 #58
20100095559
2010-04-22

Mobile vacuum excavation attachment for vehicle

 #59
20090133296
2009-05-28

DIGGING AND BACKFILL APPARATUS

 #60
20080244859
2008-10-09

VACUUM SYSTEM WITH IMPROVED MOBILITY

 #61
20080085163
2008-04-10

Earth reduction tool

 #62
20080083143
2008-04-10

Collection tank

 #63
20080040945
2008-02-21

Mobile vacuum boring, cleaning & multi-tool utility power plant

 #64
20070205164
2007-09-06

Sludge removal

 #65
20060117612
2006-06-08

Digging and backfill apparatus

 #66
20060086010
2006-04-27

Method and apparatus for beneficiating soils during vacuum excavation

 #67
20060048334
2006-03-09

Sand wand assembly

 #68
20050210621
2005-09-29

Vacuum excavation suction hose attachment

 #69
20050108848
2005-05-26

Vacuum hose wobbler