Patents-Review.com
ClassID:

135279 ⎘

E21B12/06 - CPC Classification

Classification description:

Accessories for drilling tools Mechanical cleaning devices

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

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

 #2
20230313618
2023-10-05

Scraper, rock drilling unit and method

 #3
20230265720
2023-08-24

Device for clearing a helix gap of an auger, and method for making a drilled hole

 #4
20210079735
2021-03-18

Rotating/non-rotating casing cleaning tool

 #5
20200362643
2020-11-19

DRILLING RIG SYSTEM OPERATION WITH AUTOMATIC PIPE DOPING

 #6
20200232303
2020-07-23

Rotating cutter apparatus for reducing the size of solid objects in a fluid

 #7
20190353032
2019-11-21

Laser tool

 #8
20190255578
2019-08-22

Method and system for stripping tubulars and the like comprising frustoconical air blade

 #9
20190242189
2019-08-08

Water conserving reaming system

 #10
20190085674
2019-03-21

Fracturing assembly with clean out tubular string

 #11
20180010392
2018-01-11

Shaft enlargement arrangement for a boring system

 #12
20170226808
2017-08-10

Dust suppression method and system for an autonomous drilling machine

 #13
20170037710
2017-02-09

Gravel pack sealing assembly

 #14
20160130914
2016-05-12

Mainbore clean out tool

 #15
20160059279
2016-03-03

Thread cleaning device

 #16
20150267499
2015-09-24

Modular annular debris barrier with rotationally locked segments

 #17
20150176337
2015-06-25

Auger cleaning device for removing debris from a helical drilling tool, drilling machine provided with said cleaning device and use of said drilling machine

 #18
20150114644
2015-04-30

Compression-actuated multi-cycle circulation valve

 #19
20150068807
2015-03-12

Drill head clean out apparatus

 #20
20140246239
2014-09-04

Liner Top Cleaning Method Prior to BHA Removal in Drilling with Advancing Liner Systems

 #21
20140219828
2014-08-07

Cyclonic debris evacuation apparatus and method for a pump

 #22
20130220389
2013-08-29

Pipe cleaning apparatus

 #23
20130153303
2013-06-20

Apparatus and method to clean a tubular member

 #24
20120111557
2012-05-10

Landing sub for a wiper

 #25
20110163538
2011-07-07

Oil well pipe with threaded joint

 #26
20110025052
2011-02-03

Threaded joint for steel pipes

 #27
20100126771
2010-05-27

Methods and apparatus for controlling cutting ribbons during a drilling operation

 #28
20090178853
2009-07-16

Mobile soil sampling device with vacuum collector

 #29
20080245571
2008-10-09

Earth drilling device

 #30
20060228505
2006-10-12

Threaded joint for steel pipes

 #31
20050161237
2005-07-28

Method of cleaning hole diggers and spot cultivators and hole digger cleaning device

 #32
18925339
2026-03-24

Method and apparatus, including hose reel, for cleaning an oil and gas well riser assembly with multiple tools simultaneously

 #33
18453883
2024-11-26

Method and apparatus, including hose reel, for cleaning an oil and gas well riser assembly with multiple tools simultaneously

 #34
17698356
2024-05-07

Pipe wiper box

 #35
17020081
2022-03-22

Pipe wiper box

 #36
16780001
2023-11-21

Method and apparatus, including hose reel, for cleaning an oil and gas well riser assembly with multiple tools simultaneously

 #37
15814014
2020-03-24

Method and apparatus, including hose reel, for cleaning an oil and gas well riser assembly with multiple tools simultaneously

 #38
15731632
2018-07-17

Auger cleaning apparatus

 #39
15466375
2020-08-18

Soil collection attachment with automated gate