Patents-Review.com
ClassID:

135151 ⎘

E21B7/005 - CPC Classification

Classification description:

Special methods or apparatus for drilling; Drilling with mechanical conveying means with helical conveying means

Sub-classes:
Recent Application in this class:
#1
20260071501
2026-03-12

DOWNHOLE CASING AUGER FOR REMOVAL OF PARAFFIN FROM OIL AND GAS WELLS

 #2
20260002415
2026-01-01

UNDERGROUND BORING SYSTEMS AND APPARATUS

 #3
20250376904
2025-12-11

COLLECTION UNIT FOR CUTTINGS

 #4
20250263995
2025-08-21

IMPROVED DEBRIS COLLECTION AND REMOVAL FROM A WELLBORE

 #5
20240295149
2024-09-05

In-situ detection robot and detection method for geological information without disturbance of in-situ stress

 #6
20220298865
2022-09-22

Bi-directional “ream on clean” wellbore reamer tool

 #7
20220243533
2022-08-04

Arrangement of a ground drilling device, method for operating a ground drilling device and use of an arrangement of a ground drilling device

 #8
20220145567
2022-05-12

Construction method and device for execution of a cast in-situ pile with multiple diameters decreasing with depth

 #9
20220098967
2022-03-31

Excavating machine with control system of the combined drive of two winches

 #10
20220056763
2022-02-24

Ram accelerator augmented drilling system

 #11
20210301495
2021-09-30

Construction equipment and methods

 #12
20210123304
2021-04-29

Ratcheting auger brace device

 #13
20200032598
2020-01-30

Directional drilling systems, apparatuses, and methods

 #14
20190250072
2019-08-15

Encased soil auger apparatus for archeological assessments and method of operating the same

 #15
20190234147
2019-08-01

Convertible framework for post hole digger

 #16
20190093430
2019-03-28

Apparatus and method for drilling generally horizontal underground boreholes

 #17
20180371853
2018-12-27

Mixing system and method for producing a drilling fluid for ground drilling and use in producing a drilling fluid for ground drilling

 #18
20180371841
2018-12-27

Cutting assembly for a boring device

 #19
20180251952
2018-09-06

Auger connection mechanism

 #20
20180251948
2018-09-06

Modular assembly for handling excavating equipment for excavating machines, excavating machine, method for converting the excavating configuration of an excavating machine

 #21
20180087238
2018-03-29

Hollow boring auger

 #22
20180066476
2018-03-08

Steering head for an auger casing

 #23
20170107765
2017-04-20

PORTABLE POWER ROTARY DEVICE PROVIDED WITH DRILL HAVING EARTHWORK AND CUT-OFF FUNCTIONS

 #24
20160348437
2016-12-01

Drilling machine with optimized tool unloading system

 #25
20160298355
2016-10-13

Earth auger and pole machine, and pole installation method

 #26
20160281432
2016-09-29

Direct torque helical displacement well and hydrostatic liquid pressure relief device

 #27
20160258217
2016-09-08

Steering head for an auger casing

 #28
20160168916
2016-06-16

Apparatus for drilling deeper and wider well bore with casing

 #29
20160160566
2016-06-09

Apparatus and method for drilling generally horizontal underground boreholes

 #30
20150209954
2015-07-30

AUGER RACK WITH VERTICAL SECUREMENT MEANS FOR SUSPENDED STORAGE, USE AND/OR TRANSPORT OF AUGERS OR DRILL BITS

 #31
20140238749
2014-08-28

Drilling tool and method for earth drilling

 #32
20140196955
2014-07-17

Direct torque helical displacement well and hydrostatic liquid pressure relief device

 #33
20140174824
2014-06-26

Electric auger

 #34
20130327159
2013-12-12

Self contained sampling and processing facility

 #35
20130294843
2013-11-07

Helical drill bit for an auger of a ground excavation assembly, in particular for building excavated piles, and drilling method that uses such a bit

 #36
20130199852
2013-08-08

Steering head

 #37
20130014997
2013-01-17

Post hole digger

 #38
20130014996
2013-01-17

BRAKING DEVICE FOR AN AUGER

 #39
20120292112
2012-11-22

Apparatus for drilling faster, deeper and wider well bore

 #40
20120205161
2012-08-16

Auger

 #41
20120072081
2012-03-22

Construction machine having a computer unit for determining an adjustment range

 #42
20120037424
2012-02-16

Vibratory drilling apparatus

 #43
20110259641
2011-10-27

Apparatus and method for modifying the sidewalls of a borehole

 #44
20110203853
2011-08-25

Auger boring machine having spoils ejector

 #45
20110011557
2011-01-20

Method for repairing aberrations along a drill bore wall

 #46
20100319222
2010-12-23

Construction apparatus for foundation construction

 #47
20090317194
2009-12-24

Drilling rig and drilling method

 #48
20090260891
2009-10-22

Method of mechanized construction for earth wire under-bracing and extendable excavating unit for auger crane

 #49
20090183918
2009-07-23

Methods and systems for drilling auxiliary holes

 #50
20090008153
2009-01-08

Auger stabilizer

 #51
20080230276
2008-09-25

Portable drilling device

 #52
20080078565
2008-04-03

Auger stabilizer

 #53
20080047757
2008-02-28

Method and device for producing a borehole in the soil

 #54
20050241859
2005-11-03

Bedrock drilling and excavating apparatus

 #55
20050167099
2005-08-04

Method for the placement of subterranean electrodes

 #56
20050103529
2005-05-19

Quick-detach vehicle-mounted auger driver

 #57
18994919
2025-08-19

Debris collection and removal from a wellbore

 #58
18172728
2024-05-21

Projectile drilling system

 #59
15878643
2019-01-08

Apparatus for selective placement of auger or rod type anchors