ClassID:

45372

B25B29/02 - CPC Classification

Classification description:

Bolt tensioners

Recent Application in this class:
#1
20250162115
2025-05-22

TENSIONING DEVICE

#2
20250025993
2025-01-23

Lifting and Transporting Device

#3
20240367274
2024-11-07

METHOD AND APPARATUS FOR FASTENING IN A HIGH FLUID PRESSURE ENVIRONMENT

#4
20240335928
2024-10-10

HANDHELD HYDRAULIC POWER TOOL

#5
20240083001
2024-03-14

BOLT TENSIONING TOOL

#6
20240075566
2024-03-07

Hydraulic Tension Adaptor

#7
20240017386
2024-01-18

Improved Bolt Tensioner

#8
20230184282
2023-06-15

Method and apparatus for fastening in a high fluid pressure environment

#9
20230151914
2023-05-18

TENSIONER AND METHOD OF USING SAME

#10
20220410356
2022-12-29

Hydraulic screw tensioner

#11
20220331939
2022-10-20

Tensioning device

#12
20220226976
2022-07-21

Mechanical tensioning system and method

#13
20220152803
2022-05-19

Bolt tensioning tool

#14
20220080570
2022-03-17

Device for tensioning a connecting element

#15
20220080569
2022-03-17

Device for tensioning a connecting element

#16
20220072688
2022-03-10

Device for tensioning a connecting element

#17
20220055193
2022-02-24

System for Tension at Least One Connecting Element

#18
20220040835
2022-02-10

Device for tensioning a connecting element

#19
20220032434
2022-02-03

Hydraulic tensioning apparatus

#20
20220032433
2022-02-03

Hydraulic tensioner and method of tensioning

#21
20210387298
2021-12-16

Hydraulic tensioning and release tool for expansion fasteners

#22
20210299832
2021-09-30

Bolt tensioning tool

#23
20210252677
2021-08-19

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

#24
20210146489
2021-05-20

Tightening device

#25
20210138613
2021-05-13

Socket and socket attachment

#26
20210138594
2021-05-13

Nut and bolt tightening method and tightening device

#27
20210129155
2021-05-06

Mill liner installation

#28
20200347859
2020-11-05

Clamping device for a screw connection

#29
20200316733
2020-10-08

Method and apparatus for the pre-tensioning of bolts

#30
20200238490
2020-07-30

Combination tool for tensioned fasteners

#31
20200238454
2020-07-30

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

#32
20200173484
2020-06-04

Tensioning device

#33
20200171637
2020-06-04

Tensioning device

#34
20200171636
2020-06-04

Tensioning device

#35
20200003246
2020-01-02

Pressure System

#36
20190375082
2019-12-12

Device for Tensioning a Screw

#37
20190299346
2019-10-03

Device for tightening screw connections

#38
20190299344
2019-10-03

Device for tightening screw connections

#39
20190210203
2019-07-11

HYDRAULIC SCREW TENSIONER

#40
20190061075
2019-02-28

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

#41
20190015959
2019-01-17

Tool apparatus including blind bolt and installation tool

#42
20180333812
2018-11-22

Turbomachine service apparatus and related method

#43
20180215022
2018-08-02

Screw tensioning device

#44
20180190402
2018-07-05

Bolt installation and tensioning system

#45
20180015577
2018-01-18

Clamping device for stretching a threaded bolt

#46
20170334049
2017-11-23

Tensioning device and method for tensioning a workpiece

#47
20170334048
2017-11-23

Bolt tensioning system

#48
20170282312
2017-10-05

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

#49
20170203397
2017-07-20

Tensioner

#50
20170095915
2017-04-06

Interface device for tensioning a nut and a bolt assembly

#51
20170009795
2017-01-12

Bolted connection

#52
20160318139
2016-11-03

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

#53
20160297057
2016-10-13

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

#54
20160271775
2016-09-22

Tensioning device for extending a threaded bolt

#55
20160069373
2016-03-10

Hydraulic rod tensioning system

#56
20160069372
2016-03-10

Safety guard for a hydraulic device

#57
20150314431
2015-11-05

Tensioning device for expanding a threaded bolt

#58
20150251283
2015-09-10

Compact, portable resistance heating device

#59
20150165610
2015-06-18

Clamping device for expanding a threaded bolt

#60
20150052966
2015-02-26

Crimper tool

#61
20150013502
2015-01-15

Tensioning device for expanding a threaded bolt

#62
20140338501
2014-11-20

Tensioning apparatus

#63
20140245868
2014-09-04

Screw tensioning device

#64
20140174262
2014-06-26

Tension device for straining a threaded bolt

#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
20140000414
2014-01-02

Tensioning device for extending a threaded bolt

#68
20130292542
2013-11-07

Lifting and transporting device

#69
20130220450
2013-08-29

Seals for hydraulic assemblies

#70
20130205575
2013-08-15

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

#71
20130185932
2013-07-25

Fastening and loosening device

#72
20130139652
2013-06-06

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

#73
20130108973
2013-05-02

Gas bolt heating apparatus

#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
20120011969
2012-01-19

Fastening tool

#78
20110271798
2011-11-10

SCREW TENSIONING DEVICE

#79
20110197716
2011-08-18

Rod tensioning device

#80
20110192257
2011-08-11

Hydraulic Bolt Tensioner and Nut

#81
20110188960
2011-08-04

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

#82
20110120271
2011-05-26

Screw prestressing device and method

#83
20110068543
2011-03-24

Seals for Hydraulic Assemblies

#84
20110048176
2011-03-03

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

#85
20110005221
2011-01-13

Hydraulic pressure supply unit for a power screwdriver

#86
20100175240
2010-07-15

Method for joining components by means of tensioning bolts

#87
20100135748
2010-06-03

Fasteners and spacer rings therefor

#88
20100005663
2010-01-14

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

#89
20090293418
2009-12-03

Hydraulic foundation bolt tensioner

#90
20090151517
2009-06-18

Bolted Assembly and Apparatus and Method for Tensioning the Bolted Assembly

#91
20090013518
2009-01-15

Method for controlling tensile stress of a shank, such as a screw or dowel pin, and device for carrying out said method

#92
20080301926
2008-12-11

Hydraulic tensioning jacks

#93
20080272090
2008-11-06

Compact, portable resistance heating device

#94
20080267732
2008-10-30

Load-bearing ring for hydraulic fasteners

#95
20080173140
2008-07-24

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

#96
20080148545
2008-06-26

Fastening method and fastening tool

#97
20080034925
2008-02-14

Hydraulic screw tightening or tensioning device

#98
20080011129
2008-01-17

Screw prestressing device and method

#99
20080006122
2008-01-10

Hydraulic screw tightening or tensioning device

#100
20070266829
2007-11-22

Switching device for a hydraulic high-pressure system

#101
20070020061
2007-01-25

Double nut for the controlled fixing of a component by means of a belt connection

#102
20060236817
2006-10-26

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

#103
20060101951
2006-05-18

Method of and a tool for tightening threaded connectors

#104
20060042423
2006-03-02

Holding socket for a washer nut

#105
20050286991
2005-12-29

Washer, fastener provided with a washer, method of and power tool for fastening objects

#106
20050279190
2005-12-22

Washer, fastener provided with a washer, method of and power tool for fastening objects

#107
20050278932
2005-12-22

Washer, fastener provided with a washer, method of and power tool for fastening objects

#108
20050191153
2005-09-01

Split nut

#109
20050165397
2005-07-28

Tensioning device for prestressing a rod, and related tensioning method

#110
20050155461
2005-07-21

Washer, fastener provided with a washer, method of and power tool for fastening objects

#111
20050058524
2005-03-17

Power tool and method of assembling parts using a two-part separable washer

#112
19004364
2025-05-06

Bolt tensioner and fastener assemblies

#113
17482458
2022-07-19

Systems and methods for assembling or disassembling a hammer tool