E21C45/00 - CPC Classification Index

ClassID:

135920 ⎘

E21C45/00 - CPC Classification

Classification description:

Methods of hydraulic mining; Hydraulic monitors

Sub-classes:

E21C45/02 » Means for generating pulsating fluid jets 0
E21C45/08 » Automatic or remote control of hydraulic monitors 0

Recent Application in this class:

20250354489

2025-11-20

Millimeter-Wave Directed-Energy Excavation

20210003008

2021-01-07

Mine field layout method suitable for fluidized mining of coal resources

20200032631

2020-01-30

METHOD OF ENHANCED OIL RECOVERY AND INTENSIFICATION OF PRODUCTION FROM OIL, GAS AND CONDENSATE WELLS BY MEANS OF HYDROMONITOR RADIAL UNDERBALANCE FORMATION PENETRATION

20190323330

2019-10-24

METHOD AND APPARATUS FOR UTILIZATION OF WATER PRODUCED FROM SUBTERRANEAN HYDROCARBON RESERVES IN MINING OF ASSOCIATED MINERAL DEPOSITS

20170335687

2017-11-23

Device for back soil disturbance in shield tunnel

20170274394

2017-09-28

Electrodischarge apparatus

20160326871

2016-11-10

Surface access borehole resource extraction method

20160250650

2016-09-01

Electrodischarge apparatus

20130312296

2013-11-28

System for seafloor mining

#10

20130298430

2013-11-14

Method and apparatus for bulk seafloor mining

#11

20130127231

2013-05-23

Hydraulic Mining System for Tabular Orebodies Utilising Directional Drilling

#12

20090200037

2009-08-13

Method and arrangement for removing soils, particles or fluids from the seabed or from great sea depths

#13

20090126235

2009-05-21

Method and device for excavating submerged stratum

#14

20080036268

2008-02-14

Coal reclamation apparatus and method

#15

15813878

2019-08-27

Method and apparatus for utilization of water produced from subterranean hydrocarbon reserves in mining of associated mineral deposits