ClassID:

146973

F16B31/028 - CPC Classification

Classification description:

Screwed connections specially modified in view of tensile load; Break-bolts for indicating or limiting tensile load with a load-indicating washer or washer assembly

Recent Application in this class:
#1
20260063163
2026-03-05

BOLTING SYSTEM WITH LOOSENING DETECTION FUNCTION

#2
20260020675
2026-01-22

FOLDING CHAIR

#3
20260016040
2026-01-15

A COMPOSITE WASHER FOR FORCE INDICATION AND LOSSING PREVETION

#4
20250369542
2025-12-04

SYSTEMS, DEVICES, AND METHODS FOR ENHANCING DISTRIBUTION OF FASTENER FORCE FOR CONNECTION OF FLANGED PIPES

#5
20250320891
2025-10-16

VISUAL TIGHTENING TORQUE INDICATOR

#6
20250230832
2025-07-17

SCREW CONNECTION

#7
20250207621
2025-06-26

WASHER AND METHOD OF PROVIDING ANCHORAGE

#8
20240337281
2024-10-10

APPARATUS FOR TIGHTENING THREADED FASTENERS

#9
20240263664
2024-08-08

Washer and Screw Connection System

#10
20240187760
2024-06-06

System for Wireless Retrieval of Measured Component Data

#11
20240018989
2024-01-18

MEANS FOR CONNECTION

#12
20230383778
2023-11-30

SCREW RELEASE WITH FORCE RELEASE COMPONENT

#13
20230375031
2023-11-23

Foreign material exclusion plug for structural threads with breakaway tab

#14
20230243382
2023-08-03

Connecting Component, Combination of Connecting Components, Monitoring System and Manufacturing Method

#15
20230220868
2023-07-13

SCREW NUT

#16
20230175397
2023-06-08

TENSION INDICATOR FOR A ROCK BOLT

#17
20230003247
2023-01-05

Management system using a sensing washer for detecting attachment state of attachment object

#18
20220412387
2022-12-29

INSTRUMENTED, LOAD-SENSING WASHER

#19
20220282748
2022-09-08

Anchoring device

#20
20220244138
2022-08-04

Looseness detection device and looseness detection method

#21
20220228932
2022-07-21

Shear Sensor Collar

#22
20220210526
2022-06-30

System for wireless retrieval of measured component data

#23
20220154748
2022-05-19

Screw release

#24
20220136917
2022-05-05

METHOD AND SYSTEM FOR COMPONENT WEAR MONITORING

#25
20220128081
2022-04-28

Device for viewing tension loss in an assembly

#26
20220057282
2022-02-24

Assembly and method for measuring strain in a washer

#27
20220031374
2022-02-03

Resilient fastener washer

#28
20220018378
2022-01-20

FLANGE BOLTING METHOD AND APPARATUS

#29
20210372460
2021-12-02

REACTION WASHER-BASED ACTUATION-REACTION TORQUE TRANSFER

#30
20210372442
2021-12-02

APPARATUS FOR TIGHTENING THREADED FASTENERS

#31
20210355981
2021-11-18

Bolt clamping force sensing washer

#32
20210112319
2021-04-15

System for wireless retrieval of measured component data

#33
20210095710
2021-04-01

APPARATUS FOR TIGHTENING THREADED FASTENERS

#34
20210040977
2021-02-11

Compression contact to monitor fastener elongation and grip force

#35
20210018389
2021-01-21

Pressure sensing device with cavity and related methods

#36
20200386263
2020-12-10

REACTION WASHER-BASED ACTUATION-REACTION TORQUE TRANSFER

#37
20200363278
2020-11-19

Method and system for component wear monitoring

#38
20200284287
2020-09-10

FASTENER SYSTEMS WITH OVERTIGHTENING AND LOOSENING PREVENTION

#39
20200173484
2020-06-04

Tensioning device

#40
20190360516
2019-11-28

System and tool for wireless retrieval of measured component data

#41
20190331155
2019-10-31

Torque indicating threaded mechanical fastening systems and methods

#42
20190226886
2019-07-25

Monitoring system and method

#43
20190208292
2019-07-04

System for wireless retrieval of measured component data

#44
20190195263
2019-06-27

Sensor for measuring a tightening force applied on a screw-assembly member

#45
20190170280
2019-06-06

Torque Retention Arrangement

#46
20190170279
2019-06-06

Torque Retention Arrangement

#47
20190139336
2019-05-09

Nut, in particular wheel or axle nut, washer, control device for wheel or axle nuts in vehicles and vehicle provided therewith

#48
20190128359
2019-05-02

Load controlling bolted flange deformable spacers

#49
20190128358
2019-05-02

Load controlling bolted flange deformable spacers

#50
20190120275
2019-04-25

APPARATUS FOR TIGHTENING THREADED FASTENERS

#51
20190101150
2019-04-04

Sacrificial washer and related components

#52
20190003513
2019-01-03

APPARATUS FOR TIGHTENING THREADED FASTENERS

#53
20190003512
2019-01-03

APPARATUS FOR TIGHTENING THREADED FASTENERS

#54
20180372144
2018-12-27

Fastening element

#55
20180347605
2018-12-06

Fixed or sliding screw

#56
20180327048
2018-11-15

Device for fastening a cycle wheel

#57
20180313707
2018-11-01

Method and system for component wear monitoring

#58
20180298935
2018-10-18

Elastic washer structure and fastener

#59
20180291945
2018-10-11

Self-indicating direct tension indicator

#60
20180245621
2018-08-30

WASHERS FOR OVER-TIGHTENING PREVENTION OR MITIGATION

#61
20180223892
2018-08-09

Torque-indication crush washer

#62
20180223891
2018-08-09

System and Tool for Wireless Retrieval of Measured Component Data

#63
20180223890
2018-08-09

Load-indicating washer

#64
20180195916
2018-07-12

Pressure sensing device with cavity and related methods

#65
20180135687
2018-05-17

Deformable screw assembly

#66
20180117374
2018-05-03

Anchor, indicator, anchor assembly and fall arrest system

#67
20170356516
2017-12-14

Load controlling bolted flange deformable spacers

#68
20170335878
2017-11-23

Direct tension indicating apparatus

#69
20170276163
2017-09-28

Witness enabled fasteners and related systems and methods

#70
20170256105
2017-09-07

Nut, in particular wheel or axle nut, washer, control device for wheel or axle nuts in vehicles and vehicle provided therewith

#71
20170175792
2017-06-22

Smart washer for pre-load monitoring

#72
20170146167
2017-05-25

Torque retention arrangement

#73
20170141013
2017-05-18

Systems and methods for coupling a semiconductor device of an automation device to a heat sink

#74
20170130758
2017-05-11

Direct tension indicating washer with offset protuberances and indentations

#75
20170102022
2017-04-13

Torque-indication crush washer

#76
20170021481
2017-01-26

Fastener drive and release system, fastener therefor and method

#77
20170016469
2017-01-19

Intelligent washer

#78
20160369499
2016-12-22

Guide device for retaining ties in masonry walls

#79
20160363152
2016-12-15

Method of determining the magnitude of tension in a tension tie member

#80
20160265575
2016-09-15

Power-operated tightening nut

#81
20160245709
2016-08-25

Pressure sensing device with cavity and related methods

#82
20160208851
2016-07-21

System and method for measuring pre-load force during tapered roller bearing wheel adjustment

#83
20160208508
2016-07-21

System and method for retrofitting walls with retaining ties

#84
20160076573
2016-03-17

Direct tension indicator plate and assembly

#85
20160069315
2016-03-10

Holder for fastening a fuel distributor to an internal combustion engine

#86
20160061248
2016-03-03

Fastener arrangement with compressible washer

#87
20150377275
2015-12-31

Torque indicating threaded mechanical fastening systems and methods

#88
20150377274
2015-12-31

Fastening device

#89
20150337884
2015-11-26

Load-indicating device

#90
20150330432
2015-11-19

Direct tension indicating washer with enhanced indicating material and method of manufacturing

#91
20150267731
2015-09-24

Direct tension indicator plate and assembly

#92
20150226249
2015-08-13

Torque Retention Arrangement

#93
20150204369
2015-07-23

Load indicating washer

#94
20150204368
2015-07-23

Indicating washer

#95
20150204092
2015-07-23

System and method for retrofitting walls with retaining ties

#96
20150199887
2015-07-16

Tamper evident systems

#97
20150194367
2015-07-09

Systems and methods for coupling a semiconductor device of an automation device to a heat sink

#98
20150135511
2015-05-21

Expansion bolt

#99
20150125234
2015-05-07

DIRECT TENSION INDICATING WASHER

#100
20140306574
2014-10-16

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

#101
20140283624
2014-09-25

Load-indicating device

#102
20140079504
2014-03-20

Device for detecting relative movements in a vehicle

#103
20130322988
2013-12-05

Torque-indication crush washer

#104
20130302106
2013-11-14

Load-indicating washer

#105
20130298687
2013-11-14

Sensor arrangement, for example, on an anchor bolt

#106
20130236291
2013-09-12

Device for uncoupling a bearing carrier

#107
20130170924
2013-07-04

Direct Tension Indicating Washer With Centering Elements

#108
20130170921
2013-07-04

Creep limiting direct tension indicating washer

#109
20120198941
2012-08-09

Thread clamping device including internal sensing and reporting

#110
20120096951
2012-04-26

Catcher pin assembly

#111
20120082528
2012-04-05

Locking wedge system

#112
20120073104
2012-03-29

Bolt preloading check system

#113
20110250036
2011-10-13

Wheel nut lock

#114
20110220376
2011-09-15

Method for tightening and loosening threaded connectors

#115
20110123288
2011-05-26

Direct tension multi-color indicating washers

#116
20110085872
2011-04-14

DEVICE FOR INDICATING THE TENSIONING OF A FASTENING MEMBER, SUCH AS A SCREW OR THE LIKE

#117
20110016697
2011-01-27

METHOD OF PRELOADING A COUPLING ASSEMBLY

#118
20110014986
2011-01-20

Method of making direct tension indicating washers

#119
20100327505
2010-12-30

Low profile dual-action disposable clamp

#120
20100206214
2010-08-19

Rotation indicator device

#121
20100158604
2010-06-24

Catcher pin assembly

#122
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

#123
20090311066
2009-12-17

DEVICE FOR DISPLAYING THE CORRECT TIGHTENING FORCE FOR A NUT MOUNTED ON A THREADED ROD

#124
20090269157
2009-10-29

ANCHOR

#125
20090232614
2009-09-17

Direct tension indicating washer having enhanced emission of indicating material

#126
20090226278
2009-09-10

DEFORMABLE SLEEVE FOR A DUAL-ACTION CLAMP

#127
20090191020
2009-07-30

Dual action disposable clamp

#128
20090116962
2009-05-07

SENSORISED BLADE JOINT

#129
20090102276
2009-04-23

Quick-tightening system for cycle with tightening torque control

#130
20090092462
2009-04-09

Dual-action disposable clamp

#131
20090047060
2009-02-19

Securing mechanisms for components of a load indicating fastener

#132
20080297343
2008-12-04

Pressure sensitive work indicator

#133
20080286069
2008-11-20

Method for effecting a screwed connection

#134
20080166200
2008-07-10

Device for establishing desired minimum preload condition obtained in a fastener shank

#135
20080138167
2008-06-12

Direct Tension Indicating Washers

#136
20080129311
2008-06-05

ARRANGEMENT FOR MONITORING A BOLT CONNECTION

#137
20080095595
2008-04-24

Axial Force Control Nut Assembly

#138
20080038076
2008-02-14

Load indicating fastener and method of manufacture

#139
20070243034
2007-10-18

Load indicating fastener insert

#140
20070200723
2007-08-30

Monitoring coupling status with process lockout feedback

#141
20060283260
2006-12-21

Reusable preload indicating washer assembly

#142
20060120822
2006-06-08

Self-drilling hollow wall anchor

#143
20060120821
2006-06-08

Self-drilling hollow wall anchor

#144
20060107751
2006-05-25

Reusable preload indicating washer assembly

#145
20060051180
2006-03-09

Control device for non-positive connections

#146
20050275557
2005-12-15

Monitoring coupling status with process lockout feedback

#147
20050058524
2005-03-17

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

#148
18537286
2025-01-21

Fastening system, a fastener assembly, and a method of preloading the fastener assembly

#149
15885263
2020-09-29

Smart installation and monitoring system for large anchor bolts of support structures for highway signs, luminaries and traffic signals (SLTS)

#150
14200122
2016-11-01

RFID torque sensing tag system for fasteners

#151
12847628
2013-11-26

Direct load indicating fastener assembly