E02F3/9206 - CPC Classification Index

ClassID:

128949 ⎘

E02F3/9206 - 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 Digging devices using blowing effect only, like jets or propellers

Recent Application in this class:

20260062886

2026-03-05

PNEUMATIC EXCAVATOR AND METHODS OF USE

20250297449

2025-09-25

DIGGING LANCE WITH ADJUSTABLE VAVLE HANDLE & METHODS

20250101710

2025-03-27

Improvements In and Relating To Underwater Excavation Apparatus

20250043535

2025-02-06

INTELLIGENT DREDGING SYSTEM FOR HIGH-PILED WHARF AND CONTROL METHOD THEREOF

20240254726

2024-08-01

Pneumatic excavator and methods of use

20240254725

2024-08-01

Pneumatic excavator and methods of use

20240254724

2024-08-01

Pneumatic excavator and methods of use

20240254723

2024-08-01

Pneumatic excavator and methods of use

20240052592

2024-02-15

SYSTEM FOR EXCAVATING A TRENCH IN SUBMERGED GROUND AND ASSOCIATED EXCAVATION METHOD

#10

20230138350

2023-05-04

Underwater excavation apparatus

#11

20230045315

2023-02-09

Underwater excavation apparatus

#12

20210120723

2021-04-29

Grapevine soil-cleaning device and engineering machinery provided installed with soil-cleaning device

#13

20210079620

2021-03-18

UNDERWATER PIPELINE BURYING APPARATUS AND METHOD

#14

20210047800

2021-02-18

Underwater excavation apparatus

#15

20210033239

2021-02-04

Protective Sleeve for Hydrovac Excavation Equipment

#16

20200407940

2020-12-31

Underwater excavation apparatus

#17

20200284219

2020-09-10

Generation of a Pulsed Jet by Jet Vectoring Through a Nozzle with Multiple Outlets

#18

20200080282

2020-03-12

Hydraulic excavation around a pipeline buried under shallow water

#19

20190177950

2019-06-13

Underwater pipeline burying apparatus and method

#20

20190010678

2019-01-10

High pressure water jet add-on to hydrovac boom hose

#21

20180355570

2018-12-13

Surf conditions

#22

20180266072

2018-09-20

Methods and Systems for Dredging

#23

20180216312

2018-08-02

Underwater trenching apparatus and pumping apparatus

#24

20180117612

2018-05-03

Adjustable handle assembly

#25

20180058036

2018-03-01

Jet trenching system

#26

20180015486

2018-01-18

Supersonic air knife with a supersonic variable flow nozzle

#27

20170321391

2017-11-09

Underwater pipeline burying apparatus and method

#28

20160245272

2016-08-25

Water pump control system

#29

20160207057

2016-07-21

Supersonic air knife handle

#30

20150315998

2015-11-05

Generation of a pulsed jet by jet vectoring through a nozzle with multiple outlets

#31

20150233184

2015-08-20

SYSTEM FOR REGULATION AND CONTROL OF WATER PRESSURE AND FLOW RATE IN A HIGH PRESSURE WATER APPLICATION

#32

20150047233

2015-02-19

Robot for mining manganese nodules on deep seafloor

#33

20140360058

2014-12-11

Pump apparatus and underwater trenching apparatus

#34

20140326679

2014-11-06

Air cloud particle suspension dredge

#35

20140190044

2014-07-10

Drag head and trailing suction hopper dredger

#36

20140130383

2014-05-15

Pneumatic excavation system and method of use

#37

20140130382

2014-05-15

Pneumatic excavation system and method of use

#38

20130025169

2013-01-31

EXCAVATING SYSTEMS AND METHODS

#39

20110283569

2011-11-24

Fluid jets

#40

20110099859

2011-05-05

Underwater excavation apparatus

#41

20110064524

2011-03-17

Diver operated jetting sled and method

#42

20110056098

2011-03-10

Underwater excavation apparatus

#43

20100237165

2010-09-23

Generation of a pulsed jet by jet vectoring through a nozzle with multiple outlets

#44

20100129158

2010-05-27

Underwater trenching apparatus

#45

20090274520

2009-11-05

Underwater trenching apparatus

#46

20090145665

2009-06-11

Method and apparatus for selective soil fracturing, soil excavation or soil treatment using supersonic pneumatic nozzle with integral fluidized material injector

#47