Patents-Review.com
ClassID:

39254 ⎘

B21K1/463 - CPC Classification

Classification description:

Making machine elements bolts, studs, or the like with heads with recessed heads

Recent Application in this class:
#1
20240117834
2024-04-11

TOOL AND FASTENER WITH OVERHANG STRUCTURES TO REDUCE STRIPPING

 #2
20230003245
2023-01-05

STICK FIT FASTENER RECESS SYSTEM

 #3
20220362834
2022-11-17

METHOD FOR PRODUCING A SCREW ELEMENT BLANK AND A SCREW ELEMENT, AND SCREW ELEMENT BLANK AND SCREW ELEMENT

 #4
20220161398
2022-05-26

FASTENER SYSTEM WITH STABILIZER RIBS AND SQUARE DRIVE

 #5
20220032362
2022-02-03

WORKPIECES FOR MAKING FASTENERS AND TOOLS

 #6
20210239148
2021-08-05

Stick fit fastener recess system

 #7
20210205965
2021-07-08

FASTENER SYSTEM WITH STABILIZER RIBS

 #8
20200277996
2020-09-03

Drive system with full surface drive contact

 #9
20200061694
2020-02-27

Molds and punches for making fasteners and tools

 #10
20200040931
2020-02-06

Bolt and method of manufacturing the same

 #11
20190186526
2019-06-20

Stick fit fastener recess system

 #12
20190186525
2019-06-20

Stick fit fastener recess system

 #13
20180354022
2018-12-13

Molds and punches for making fasteners and tools

 #14
20180347611
2018-12-06

Screw and Corresponding Punch

 #15
20180306230
2018-10-25

Fastener compatible with helical toothed driver

 #16
20180304449
2018-10-25

Helical toothed driver and compatible fastener

 #17
20180009090
2018-01-11

Fastener system with stabilizer ribs

 #18
20180003241
2018-01-04

Drive system with full surface drive contact

 #19
20170095909
2017-04-06

RECESSED FASTENER, FORMING PUNCH AND DRIVING TOOL

 #20
20160273591
2016-09-22

Drive system with full surface drive contact

 #21
20160245325
2016-08-25

Recessed screw, forming punch and driving tool

 #22
20150104271
2015-04-16

Punch pins, associated sockets, and methods of forming sockets using punch pins

 #23
20150086294
2015-03-26

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

 #24
20140331826
2014-11-13

Methods and apparatus for asymmetrical fastening system

 #25
20140060268
2014-03-06

Screw head and tool for use therewith

 #26
20130025917
2013-01-31

Copper column

 #27
20120165107
2012-06-28

FASTENER, DRIVER ENGAGING WITH THE FASTENER AND PUNCH PRODUCING THE FASTENER

 #28
20120070247
2012-03-22

Method for manufacturing fastening screw and fastening screw

 #29
20110314887
2011-12-29

Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool

 #30
20110183766
2011-07-28

Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part

 #31
20100129176
2010-05-27

SCREW HEAD RECESS DRIVE AND CORRESPONDING DRIVER TOOL AND RECESS PUNCH

 #32
20100048309
2010-02-25

Method and device for manufacturing fastenings or fasteners with radial outer contours, especially screws or threaded bolts

 #33
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

 #34
20090069103
2009-03-12

PUNCH AND RELATED RECESSED SCREW

 #35
20090003967
2009-01-01

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

 #36
20080279653
2008-11-13

SCREW HEAD FORMATION

 #37
20080236341
2008-10-02

POWDERED METAL MULTI-LOBULAR TOOLING AND METHOD OF FABRICATION

 #38
20080135140
2008-06-12

High strength formed article comprising hyperfine grain structure steel and manufacturing method of the same

 #39
20070214920
2007-09-20

Spiral drive fastener with engagement ramp

 #40
20070101835
2007-05-10

Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength

 #41
20070036633
2007-02-15

Screw head formation

 #42
20060153661
2006-07-13

Screw plug made of a metallic material, method for the production thereof, corresponding blank and corresponding tool

 #43
20060078404
2006-04-13

Spiral drive fastener with engagement ramp

 #44
20060025225
2006-02-02

Screw head slot shaper

 #45
20050249572
2005-11-10

Steel hollow-head screw

 #46
20050227772
2005-10-13

Powdered metal multi-lobular tooling and method of fabrication

 #47
20050215333
2005-09-29

Screw head punch

 #48
20050158148
2005-07-21

Screw head formation