Patents-Review.com
ClassID:

135192 ⎘

E21B7/205 - CPC Classification

Classification description:

Special methods or apparatus for drilling; Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal

Sub-classes:
Recent Application in this class:
#1
20250305369
2025-10-02

HIGH PRESSURE BURROWING EVERTING ROBOT WITH SENSORIZED SKIN AND FOR SUBSURFACE SENSOR DEPLOYMENT

 #2
20250305365
2025-10-02

PULLBACK SYSTEM FOR DRILLING TOOL

 #3
20250257623
2025-08-14

APPARATUS AND METHOD OF DEPLOYING A PIPE WITHIN A BOREHOLE

 #4
20240295345
2024-09-05

SCREW-IN GEOTHERMAL HEAT EXCHANGER SYSTEMS AND METHODS

 #5
20240218627
2024-07-04

HELICAL PILE WITH HEAT EXCHANGER

 #6
20230287741
2023-09-14

PULLBACK SYSTEM FOR DRILLING TOOL

 #7
20230065813
2023-03-02

Method and device for holding and releasing a cable in a pipe splitter

 #8
20220282577
2022-09-08

GROUND LOOP HEAT EXCHANGER

 #9
20220268106
2022-08-25

Locking and rotating device, twister, for tubular casing elements for vertical excavations

 #10
20220268100
2022-08-25

Pullback system for drilling tool

 #11
20220127960
2022-04-28

Method for constructing groundwater monitoring well inside prb trench

 #12
20210254776
2021-08-19

Method and device for holding and releasing a cable in a pipe splitter

 #13
20210002843
2021-01-07

Helical pile with heat exchanger

 #14
20200284389
2020-09-10

Method and apparatus for replacing underground pipe

 #15
20190353294
2019-11-21

Method and device for holding and releasing a cable in a pipe splitter

 #16
20190249495
2019-08-15

Pipe ramming system with hydraulic crowd

 #17
20190085645
2019-03-21

Device and method for slanting a conductor casing

 #18
20180363804
2018-12-20

Boring Head for copper tubing

 #19
20180238591
2018-08-23

Installation apparatus/tool for tubular geothermal heat exchanger systems and methods

 #20
20180230665
2018-08-16

Comprehensive excavation process

 #21
20170321838
2017-11-09

Method and device for holding and releasing a cable in a pipe splitter

 #22
20170275958
2017-09-28

Hydraulic drilling apparatus intended to drill boreholes

 #23
20170016279
2017-01-19

Downhole stinger geotechnical sampling and in situ testing tool

 #24
20160341349
2016-11-24

Method and device for holding and releasing a cable in a pipe splitter

 #25
20160333642
2016-11-17

Pipe ramming system with hydraulic crowd

 #26
20160281432
2016-09-29

Direct torque helical displacement well and hydrostatic liquid pressure relief device

 #27
20150369394
2015-12-24

Trenchless drainage structure replacement

 #28
20150053481
2015-02-26

Kinetic penetrator with a retrieval tether

 #29
20140321921
2014-10-30

Screw-in geothermal heat exchanger systems and methods

 #30
20140305708
2014-10-16

Reamer with replaceable cutters

 #31
20140298622
2014-10-09

Method and device for holding and releasing a cable in a pipe splitter

 #32
20140027183
2014-01-30

Method and system for installation of in-ground conduit

 #33
20120282033
2012-11-08

Rod assembly and device for trenchless rehabilitation of pipelines

 #34
20120170980
2012-07-05

Pipe bursting apparatus

 #35
20120087739
2012-04-12

Trenchless drainage structure replacement

 #36
20120087738
2012-04-12

Earth drilling device

 #37
20120006597
2012-01-12

DRILL HEAD

 #38
20110280664
2011-11-17

Apparatus for installing conduit underground

 #39
20110274500
2011-11-10

Trenchless ducting apparatus frame

 #40
20110274499
2011-11-10

Trenchless ducting apparatus frame

 #41
20110272652
2011-11-10

Trenchless ducting apparatus frame

 #42
20110239434
2011-10-06

Device for connecting a string section with a pulling element which extends through the string section, and method for tensioning of string sections to form a string

 #43
20110150577
2011-06-23

Tool for longitudinally subdividing sewer pipes

 #44
20100178113
2010-07-15

Method and device for holding and releasing a cable in a pipe splitter

 #45
20100139886
2010-06-10

System and method for geothermal conduit loop in-ground installation and soil penetrating head therefor

 #46
20090320604
2009-12-31

SENSOR SYSTEM

 #47
20090003935
2009-01-01

System and method for tightening string sections to form a string

 #48
20080296066
2008-12-04

Bore hole sleeve reaming apparatus and method

 #49
20080124178
2008-05-29

Methods and apparatus for installing conduit underground

 #50
20070284149
2007-12-13

Apparatus and method for joining a pipe conduit to a drilling device, expanding device or pull-in device

 #51
20070253779
2007-11-01

Method and apparatus for installing underground pipe

 #52
20070071558
2007-03-29

Rod pulling and pushing machine for pipe bursting

 #53
20060193697
2006-08-31

Rod pushing and pulling machine

 #54
20060034666
2006-02-16

Rod pulling and pushing machine for pipe bursting

 #55
20050056460
2005-03-17

Using a rotating inner member to drive a tool in a hollow outer member

 #56
20050042036
2005-02-24

Device and method for trenchless replacement of underground pipe

 #57
14686518
2015-08-25

Geo-diving device