ClassID:

146931

F16B23/0038 - CPC Classification

Classification description:

Specially shaped heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections

Recent Application in this class:
#1
20260036158
2026-02-05

FASTENER ASSEMBLY HAVING FLUSH FACED WORKING PORTION

#2
20250347309
2025-11-13

Multi-Sided Screw and a Method of Using such a Multi-Sided Screw

#3
20250271019
2025-08-28

DUAL-END FASTENING BOLT

#4
20250188975
2025-06-12

FASTENER, DRIVER BIT AND PUNCH TOOL

#5
20250188974
2025-06-12

FASTENER, DRIVER BIT AND PUNCH TOOL

#6
20240352960
2024-10-24

FASTENER ASSEMBLY HAVING FLUSH FACED WORKING PORTION

#7
20240309901
2024-09-19

Anti-Slippage Fastener

#8
20240175460
2024-05-30

REMOVABLE STUDS, TOOL FOR INSERTING AND REMOVING SAME AND KIT COMPRISING STUDS AND TOOL

#9
20230400050
2023-12-14

BOLT FOR BATTERY AND BATTERY MODULE

#10
20230340983
2023-10-26

ENHANCED FLANGE NUT

#11
20230250843
2023-08-10

TOOL ATTACHMENT POINT WITH ALIGNMENT AID

#12
20230192239
2023-06-22

DRAIN PLUG FOR A BOAT

#13
20230135213
2023-05-04

Fastener, driver bit and punch tool

#14
20230029553
2023-02-02

FASTENING SCREW AND HEIGHT-ADJUSTABLE TABLE USING THE SAME

#15
20230012354
2023-01-12

MULTI-PIECE LOCKING FASTENER ASSEMBLY SUCH AS FOR SECURING A WHEEL RIM TO A VEHICLE HUB

#16
20220381280
2022-12-01

Fastener

#17
20220307537
2022-09-29

Assembly Improving, Low Mass, Fastener Head

#18
20220274217
2022-09-01

Fastening device

#19
20220213918
2022-07-07

Dual Head Screw

#20
20220195892
2022-06-23

FASTENING MEANS FOR A TURBINE- OR VALVE HOUSING

#21
20220042537
2022-02-10

Removable studs, tool for inserting and removing same and kit comprising studs and tool

#22
20220034350
2022-02-03

Methods and apparatus for a fastener head having a dual zone socket area and a mating driver bit

#23
20220024006
2022-01-27

Methods and apparatus for a fastener head having a dual zone socket area and a mating driver bit

#24
20220010831
2022-01-13

MEANS FOR HOLDING TIGHTENED STATE BETWEEN HANGER AND ANCHOR BOLT OF DROPPED CEILING

#25
20220003263
2022-01-06

MULTI-PIECE LOCKING FASTENER ASSEMBLY SUCH AS FOR SECURING A WHEEL RIM TO A VEHICLE HUB

#26
20210213575
2021-07-15

Fastening device

#27
20210205964
2021-07-08

FASTENER DRIVER

#28
20210172468
2021-06-10

MECHANICAL FASTENER DRIVE TOOL AND SYSTEM

#29
20210148395
2021-05-20

Anti-slippage fastener

#30
20210148394
2021-05-20

Fastener

#31
20210108668
2021-04-15

COMBINED ANCHOR AND FASTENER ASSEMBLY

#32
20210025425
2021-01-28

T-Nut

#33
20210010504
2021-01-14

THREE-POINT FASTENER

#34
20200332821
2020-10-22

Fastener having improved wobble control, fastening system including the same, and method of forming the same

#35
20200284286
2020-09-10

Self-Drilling Ground Screw

#36
20200238482
2020-07-30

ENHANCED STICK FIT BIT DESIGN

#37
20200200206
2020-06-25

PLUG BOLT

#38
20200139523
2020-05-07

Methods and apparatus for a fastener head having a dual zone socket area and a mating driver bit

#39
20200018344
2020-01-16

Segmented nut

#40
20190247986
2019-08-15

Detachable fastening device

#41
20190242422
2019-08-08

Lightweight fastener design

#42
20190226517
2019-07-25

WHEEL NUT

#43
20190219089
2019-07-18

Hybrid three-point drive fastener

#44
20190209219
2019-07-11

Twist-drivable pin assembly

#45
20190184886
2019-06-20

Fastener and substrate assemblies

#46
20190145455
2019-05-16

Fasteners with reduced bacterial harborage points, sealing capabilities, and component protection features

#47
20190120275
2019-04-25

APPARATUS FOR TIGHTENING THREADED FASTENERS

#48
20190003510
2019-01-03

FASTENER HAVING A COMPOUND RECESS

#49
20180347612
2018-12-06

Combination recess for driven fastener

#50
20180345461
2018-12-06

Fastener driver

#51
20180298933
2018-10-18

Three-point fastener

#52
20180156257
2018-06-07

HIGH-STRENGTH LIGHTWEIGHT SCREW HAVING A DOUBLE CONTOUR ENGAGEMENT

#53
20180106286
2018-04-19

Driver/Fastener Inter-engagement System

#54
20180073540
2018-03-15

Removable studs, tool for inserting and removing same and kit comprising studs and tool

#55
20180028288
2018-02-01

Screw and driver tool

#56
20170321741
2017-11-09

Fastening system and method

#57
20170217111
2017-08-03

Apparatus for fabricating composite fasteners

#58
20170138386
2017-05-18

Recessed head screw

#59
20160327080
2016-11-10

INSTALLATION BOLT

#60
20160312816
2016-10-27

Screw elements having a tool engagement portion

#61
20160252125
2016-09-01

Lightweight fastener design

#62
20160236332
2016-08-18

DRIVING HEAD

#63
20160208840
2016-07-21

Fastener With Removable Head End

#64
20150354360
2015-12-10

Balancing screw, device and method for a rotating part of a turbine engine

#65
20150316090
2015-11-05

I/O connector with integrated adjustable set screw

#66
20150251488
2015-09-10

Wheel cap lock and locking method

#67
20150086294
2015-03-26

Rivet bolt in combination with an attachment and process for making same

#68
20140234051
2014-08-21

Assembly improving, low mass, fastener head

#69
20140186797
2014-07-03

Screw and driver tool

#70
20140158672
2014-06-12

Method of welding a weld stud to a workpiece and of checking the strength of the welded joint

#71
20140117059
2014-05-01

Sensor mounting apparatus and methods of using same

#72
20140099173
2014-04-10

NUT

#73
20120187127
2012-07-26

THREADED PLASTIC PLUG FOR FORCED SCREWING

#74
20120004689
2012-01-05

Locking assembly for securing a rod member in a receiver part for use in spinal or trauma surgery, bone anchoring device with such a locking assembly and tool therefor

#75
20110229284
2011-09-22

Anti-wearing nut and bolt

#76
20110217143
2011-09-08

Fastener system with stable engagement and stick fit

#77
20110142566
2011-06-16

Stud for stud welding

#78
20110116895
2011-05-19

Assembly improving, low mass, fastener head

#79
20110116892
2011-05-19

Fastener with improved torque bearing surface

#80
20100014940
2010-01-21

Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof

#81
20090285653
2009-11-19

LOBED DRIVE FOR HI-LITE FASTENER

#82
20090220321
2009-09-03

FASTENING METAL FITTING

#83
20090175701
2009-07-09

SELF-TAPPING SCREW MADE OF COMPOSITE MATERIAL

#84
20090155017
2009-06-18

SECURE COMPOSITE FASTENER

#85
20090148254
2009-06-11

FLANGE HEADED SCREW

#86
20090142160
2009-06-04

RAISED RECESS TRUSS HEAD SCREW

#87
20090012567
2009-01-08

Locking assembly for securing a rod member in a receiver part for use in spinal or trauma surgery, bone anchoring device with such a locking assembly and tool therefor

#88
20090010734
2009-01-08

SCREW

#89
20090003967
2009-01-01

LOBULAR DRIVE SYSTEM WITH INTERFERENCE FIT AND METHOD AND APPARATUS FOR FABRICATING SAME

#90
20080279653
2008-11-13

SCREW HEAD FORMATION

#91
20080226423
2008-09-18

Multi-tiered-recess Screws

#92
20080038087
2008-02-14

DRIVING HEADS FOR FASTENERS

#93
20080016987
2008-01-24

Lobed drive for hi-lite fastener

#94
20070258792
2007-11-08

ANCHOR FASTENING DEVICE FOR FLUSH MOUNTING OF STRUCTURES

#95
20070253792
2007-11-01

TORQUE LIMITING BREAK-AWAY HEAD FASTENER AND RELATED METHODS

#96
20070217887
2007-09-20

Screw

#97
20070212190
2007-09-13

Low profile fastening system

#98
20070160439
2007-07-12

Fixing device

#99
20070065253
2007-03-22

Fasteners with multi-tiered recesses and drivers with multi-tiered driving tips

#100
20070036633
2007-02-15

Screw head formation

#101
20070036632
2007-02-15

Screw having a head formed with an inner standard square recess part and an outer guiding recess part

#102
20070031209
2007-02-08

Ribbed fastener

#103
20070023226
2007-02-01

Specialized, tapered bolts for rear axle shafts

#104
20060266168
2006-11-30

Combination driver and combination fastener

#105
20060228188
2006-10-12

Self-drilling wall anchor device and method for using the same

#106
20060182513
2006-08-17

Fastener and method for using same

#107
20060104742
2006-05-18

Stud for parts assembly

#108
20060067803
2006-03-30

Self-drilling wall anchor device

#109
20060025225
2006-02-02

Screw head slot shaper

#110
20050175431
2005-08-11

Lobed drive for hi-lite fastener

#111
20050172761
2005-08-11

Multi-tiered-recess screws

#112
20050158148
2005-07-21

Screw head formation

#113
20050155467
2005-07-21

Lobed drive for hi-lite fastener

#114
20050135899
2005-06-23

Lobed drive for hi-lite fastener

#115
20050098000
2005-05-12

Multi-tiered-recess screws

#116
20050086791
2005-04-28

Driving heads for fasteners

#117
20050002754
2005-01-06

Light weight fastener for use on interference fits in automation