B21K1/70 - CPC Classification Index

ClassID:

39267 ⎘

B21K1/70 - CPC Classification

Classification description:

Making machine elements nuts of special shape, e.g. self-locking nuts, wing nuts

Sub-classes:

B21K1/701 » {Weld nuts} 4
B21K1/702 » {Clinch nuts} 30
B21K1/704 » {Cap nuts} 3
B21K1/705 » {Castellated nuts} 0
B21K1/707 » {Self-locking nuts} 5
B21K1/708 » {wing nuts} 0

Recent Application in this class:

20220032360

2022-02-03

Molding die structure for forming oblique teeth on a rivet nut

20200291981

2020-09-17

Nut integrated with bracket and method of manufacturing the same

20180163768

2018-06-14

Nut integrated with bracket and method of manufacturing the same

20180163767

2018-06-14

Nut integrated with bracket and method of manufacturing the same

20170335934

2017-11-23

Bridge-type ball screw and manufacturing method thereof

20150367399

2015-12-24

Method for producing a through hole in a metallic body

20150283600

2015-10-08

Ball screw and manufacturing method of nut for ball screw

20150028587

2015-01-29

Safety connecting device, in particular for piping, an end-coupler for such device, and a method for manufacturing a nut therefor

20140241827

2014-08-28

INSERT NUT HAVING RECTANGULAR LATTIC STRUCTURE AND MANUFACTURING METHOD THEREOF

#10

20140186139

2014-07-03

Insert nut having a diamond lattice structure and method for manufacturing thereof

#11

20130008275

2013-01-10

Method for manufacturing nut for ball screw and ball screw

#12

20120325036

2012-12-27

Ball Screw and Manufacturing Method of Nut for Ball Screw

#13

20090311069

2009-12-17

INSERT NUT AND INSERT T-NUT

#14

20070286700

2007-12-13

Self-Threading Female Fastener Elements and Method of Forming Same

#15

20070017083

2007-01-25

Method for manufacturing split nut

#16

20070009341

2007-01-11

Insert nut and insert t-nut

#17

20060099048

2006-05-11

Self-attaching female fasteners and method of forming female fastener elements

#18

20060009299

2006-01-12

Self attaching female fasteners and method of forming female fastener elements

#19

20050103086

2005-05-19

Method of cold forming a self-attaching female fastener element

#20

20050031433

2005-02-10

Threaded insert and method of installation

#21

20050008457

2005-01-13

Nut and method for the production thereof