ClassID:

135899

E21C37/18 - CPC Classification

Classification description:

Other methods or devices for dislodging with or without loading by electricity

Recent Application in this class:
#1
20260071543
2026-03-12

MICROWAVE-BASED MINING SYSTEMS AND METHODS WITH ROBOTIC ARM WAVEGUIDE

#2
20250327403
2025-10-23

MICROWAVE ENERGY APPLICATOR

#3
20250290414
2025-09-18

Robust Plasma Blast Probe Apparatus and Method

#4
20250154868
2025-05-15

ELECTRIC-PULSE FRACTURING DEVICE AND METHOD FOR HARD ROOF OF COAL MINE BASED ON SELF-SEALING WATER BAG

#5
20240035382
2024-02-01

FLUIDIZED COAL MINING METHOD FOR IMPLEMENTING CO2 UNDERGROUND STORAGE

#6
20230332502
2023-10-19

METHOD AND APPARATUS FOR USING ELECTRO-MAGNETIC RADIATION IN NARROW VEIN MINING

#7
20230332470
2023-10-19

Drill bit for downhole electrocrushing drilling

#8
20230321749
2023-10-12

HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND METHODS OF USE

#9
20230124575
2023-04-20

DRILL BIT FOR DOWNHOLE ELECTROCRUSHING DRILLING

#10
20220403739
2022-12-22

Robust plasma blast probe tip

#11
20220268156
2022-08-25

Microwave-based mining systems and methods with robotic arm waveguide

#12
20220268155
2022-08-25

Microwave energy applicator

#13
20220082017
2022-03-17

Method for boring with plasma

#14
20210079730
2021-03-18

Drill bit for downhole electrocrushing drilling

#15
20200400002
2020-12-24

Sliced and elliptical head probe for plasma blast applications

#16
20190240770
2019-08-08

High power laser tunneling mining and construction equipment and methods of use

#17
20190211640
2019-07-11

Electro-hydraulic complex with a plasma discharger

#18
20190194882
2019-06-27

Method and apparatus for removing pavement structures using plasma blasting

#19
20190040685
2019-02-07

Drill bit for downhole electrocrushing drilling

#20
20180313158
2018-11-01

Pulse transformer for downhole electrocrushing drilling

#21
20170370155
2017-12-28

Device and method for crushing rock by means of pulsed electric energy

#22
20170152744
2017-06-01

Method of mining using a laser

#23
20160326806
2016-11-10

A METHOD FOR ENERGY EFFICIENT AND FAST ROTARY DRILLING IN INHOMOGENEOUS AND/OR HARD ROCK FORMATIONS

#24
20140367502
2014-12-18

Virtual electrode mineral particle disintegrator

#25
20140231398
2014-08-21

High power laser tunneling mining and construction equipment and methods of use

#26
20140027178
2014-01-30

System and method for drilling a borehole

#27
20130255936
2013-10-03

Electrofracturing formations

#28
20130032406
2013-02-07

Systems and methods for drilling boreholes with noncircular or variable cross-sections

#29
20130032400
2013-02-07

Cooled-fluid systems and methods for pulsed-electric drilling

#30
20130032398
2013-02-07

Pulsed-Electric Drilling Systems and Methods with Reverse Circulation

#31
20130032397
2013-02-07

Systems and methods for pulsed-flow pulsed-electric drilling

#32
20120168177
2012-07-05

Apparatus and method for supplying electrical power to an electrocrushing drill

#33
20120132466
2012-05-31

Pressure pulse fracturing system

#34
20120103693
2012-05-03

System and method for drilling a borehole

#35
20110278382
2011-11-17

Virtual electrode mineral particle disintegrator

#36
20110227395
2011-09-22

Method of and apparatus for plasma blasting

#37
20100000790
2010-01-07

Apparatus and method for electrocrushing rock

#38
20090321132
2009-12-31

Electromagnetic energy assisted drilling system and method

#39
20080277508
2008-11-13

Virtual electrode mineral particle disintegrator

#40
20080245568
2008-10-09

System and method for drilling a borehole

#41
20070152494
2007-07-05

Fracturing Using a Pressure Pulse

#42
20070137893
2007-06-21

Method of drilling using pulsed electric drilling

#43
20060243486
2006-11-02

Portable and directional electrocrushing drill

#44
20060137909
2006-06-29

Portable electrocrushing drill

#45
20060038437
2006-02-23

Pressure pulse fracturing system

#46
20060038045
2006-02-23

Virtual electrode mineral particle disintegrator

#47
20060037779
2006-02-23

Pulsed electric rock drilling apparatus

#48
20060037516
2006-02-23

High permittivity fluid