ClassID:

43635

B23P19/067 - CPC Classification

Classification description:

Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation ; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts; Screw or nut setting or loosening machines Bolt tensioners

Sub-classes:
Recent Application in this class:
#1
20250114885
2025-04-10

Coupling unit for coupling a rotatable thread engagement means of a bolt elongation tool for elongating a bolt of a flange connection with the bolt

#2
20250041979
2025-02-06

HIGH-CAPACITY MECHANICAL LOAD TRANSFER APPARATUSES AND RELATED METHODS

#3
20250034997
2025-01-30

INJECTION DRIVER ASSEMBLY FOR HOLLOW BAR BOLT INSTALLATION

#4
20250025993
2025-01-23

Lifting and Transporting Device

#5
20240408707
2024-12-12

TIGHTENING DEVICE AND CONTROL METHOD

#6
20240367274
2024-11-07

METHOD AND APPARATUS FOR FASTENING IN A HIGH FLUID PRESSURE ENVIRONMENT

#7
20240300061
2024-09-12

NUCLEAR POWER PLANT SYSTEM

#8
20240075566
2024-03-07

Hydraulic Tension Adaptor

#9
20230184282
2023-06-15

Method and apparatus for fastening in a high fluid pressure environment

#10
20230083153
2023-03-16

BATTERY CELL JIG THAT BOLT-FASTENS THROUGH UNIFORM PRESSURE

#11
20230041918
2023-02-09

METHOD FOR INSTALLING AND/OR MAINTAINING A FLANGE CONNECTION, AND TOOL AND USE

#12
20220307477
2022-09-29

TIGHTENING DEVICE

#13
20220274217
2022-09-01

Fastening device

#14
20220241912
2022-08-04

Arrangement of a tightening device for a screw connection and a safety device

#15
20220228565
2022-07-21

Method for erecting a wind turbine tower using stud bolts

#16
20220219269
2022-07-14

TOOL ASSEMBLY FOR TENSIONING TOWER BOLTS OF A WIND TURBINE TOWER

#17
20220203486
2022-06-30

Automated bolt tensioning robot

#18
20220032434
2022-02-03

Hydraulic tensioning apparatus

#19
20220032433
2022-02-03

Hydraulic tensioner and method of tensioning

#20
20220023983
2022-01-27

Flange Bolting Management System And Method

#21
20210387298
2021-12-16

Hydraulic tensioning and release tool for expansion fasteners

#22
20210268614
2021-09-02

Method for tightening screwed connections, multi-screwing device

#23
20210252677
2021-08-19

TOOL FOR TIGHTENING NUT ON A BOLT TO FORM A FIXED CONNECTION

#24
20210246918
2021-08-12

System for supplying hydraulic pressure to a bolt elongation tool

#25
20210213575
2021-07-15

Fastening device

#26
20210178534
2021-06-17

Automated tightening of bolts

#27
20210172424
2021-06-10

Displaceable maintenance device, displaceable assembly device, and method

#28
20210138594
2021-05-13

Nut and bolt tightening method and tightening device

#29
20210008676
2021-01-14

Multiple chamber hydraulic multi-jack bolt tensioners

#30
20200316733
2020-10-08

Method and apparatus for the pre-tensioning of bolts

#31
20200238454
2020-07-30

Method for documented tightening and re-tightening of a screw connection

#32
20200180086
2020-06-11

Method for tightening screw connections

#33
20200122279
2020-04-23

Screw fastening device and screw fastening method

#34
20200023477
2020-01-23

Method for the documented tightening or tightening up of a screw connection

#35
20200003246
2020-01-02

Pressure System

#36
20190321927
2019-10-24

Multi-jack tensioners

#37
20190299346
2019-10-03

Device for tightening screw connections

#38
20190299344
2019-10-03

Device for tightening screw connections

#39
20190193216
2019-06-27

Bolt tensioning assembly and method for tensioning of a bolt

#40
20190134640
2019-05-09

Locking bolt assembly for a crusher device

#41
20190061075
2019-02-28

Method for the documented tightening or tightening up of a screw connection

#42
20190030665
2019-01-31

Robot to move a support platform along a flange connection

#43
20190022873
2019-01-24

Robot with positioning means to move a tool along a flange connection

#44
20180333812
2018-11-22

Turbomachine service apparatus and related method

#45
20180215022
2018-08-02

Screw tensioning device

#46
20180190402
2018-07-05

Bolt installation and tensioning system

#47
20180169805
2018-06-21

Stand for multiple stud tensioning machine

#48
20180015577
2018-01-18

Clamping device for stretching a threaded bolt

#49
20170334048
2017-11-23

Bolt tensioning system

#50
20170282312
2017-10-05

Rod tensioning device and assembly process of such a device on a rod

#51
20170203397
2017-07-20

Tensioner

#52
20170190006
2017-07-06

Hydraulic ram bolt tensioning device

#53
20170095896
2017-04-06

Tensioning Device for Extending a Threaded Bolt

#54
20170087675
2017-03-30

Tensioning device for a screw connection, method for tightening a screw connection, and threaded nut

#55
20170009795
2017-01-12

Bolted connection

#56
20160318139
2016-11-03

System and method for preloading tension in a stud using an anti-seizure spacer for tapered thread connections

#57
20160297057
2016-10-13

Tensioning device for pre-stressing an assembly with a threaded rod

#58
20160271775
2016-09-22

Tensioning device for extending a threaded bolt

#59
20150314431
2015-11-05

Tensioning device for expanding a threaded bolt

#60
20150165610
2015-06-18

Clamping device for expanding a threaded bolt

#61
20150013502
2015-01-15

Tensioning device for expanding a threaded bolt

#62
20140306574
2014-10-16

Bolt tightener device for tightening a through-bolt in a generator core

#63
20140245869
2014-09-04

Method of simultaneously tensioning multiple jackbolts of a multi-jackbolt tensioner and handheld apparatus for performing same

#64
20140245868
2014-09-04

Screw tensioning device

#65
20140165789
2014-06-19

Tensioning device for extending a threaded bolt, and tool suitable for this purpose, preferably drive adapter

#66
20140060255
2014-03-06

Tension device for prestressing an assembly by means of a threaded rod, and method for assembling the tension device

#67
20140020515
2014-01-23

Tensioning device for extending a threaded bolt

#68
20140000414
2014-01-02

Tensioning device for extending a threaded bolt

#69
20130292542
2013-11-07

Lifting and transporting device

#70
20130205575
2013-08-15

Fastening and loosening device for stud bolts and nuts of a reactor vessel

#71
20130199341
2013-08-08

BOLT TENSIONER

#72
20130185932
2013-07-25

Fastening and loosening device

#73
20130139652
2013-06-06

Multiple stud tensioning machine and method for automatically controlling the elongation of a plurality of studs

#74
20130087022
2013-04-11

Screw tensioning device

#75
20130008015
2013-01-10

APPARATUS AND METHODS FOR TIGHTENING THREADED FASTENERS

#76
20120180280
2012-07-19

Hydraulically Activated Tension Relief System for Threaded Fasteners

#77
20110271798
2011-11-10

SCREW TENSIONING DEVICE

#78
20110197716
2011-08-18

Rod tensioning device

#79
20110188960
2011-08-04

Method for tensioning screw bolts, as well as screw bolt and screw bolt tensioning device for carrying out the method

#80
20110120271
2011-05-26

Screw prestressing device and method

#81
20110048176
2011-03-03

Hydraulic bolt tensioning device and method for tightening large bolts by means of a hydraulic bolt tensioning device

#82
20100175240
2010-07-15

Method for joining components by means of tensioning bolts

#83
20100116101
2010-05-13

Device and method for tightening a nut placed on a threaded end, and assembled washer and nut for such a device

#84
20100005663
2010-01-14

Method for setting up and controlling a hydraulic tensioner for applying a preload on one or a plurality of bolts

#85
20100000375
2010-01-07

Tamper resistant jackbolts for a tensioner

#86
20090151517
2009-06-18

Bolted Assembly and Apparatus and Method for Tensioning the Bolted Assembly

#87
20080301926
2008-12-11

Hydraulic tensioning jacks

#88
20080173140
2008-07-24

Hydraulic threaded bolt clamping device and method for tightening large screws by means of said hydraulic threaded bolt clamping device

#89
20080034925
2008-02-14

Hydraulic screw tightening or tensioning device

#90
20080011129
2008-01-17

Screw prestressing device and method

#91
20080006122
2008-01-10

Hydraulic screw tightening or tensioning device

#92
20070266829
2007-11-22

Switching device for a hydraulic high-pressure system

#93
20060236817
2006-10-26

Power tool for and method of moving elements relative to an object

#94
20060101951
2006-05-18

Method of and a tool for tightening threaded connectors

#95
20050165397
2005-07-28

Tensioning device for prestressing a rod, and related tensioning method

#96
18187519
2024-04-30

Tool assembly and a method for mounting a tailgate to a car body using the tool assembly

#97
17482458
2022-07-19

Systems and methods for assembling or disassembling a hammer tool