ClassID:

38977

B21F35/02 - CPC Classification

Classification description:

Making springs from wire Bending or deforming ends of coil springs to special shape

Recent Application in this class:
#1
20220041027
2022-02-10

Hollow coil spring and suspension device for vehicle

#2
20200276633
2020-09-03

Canted coil springs and assemblies and related methods

#3
20200047239
2020-02-13

Spring manufacturing machine with selectable configuration for processing tools

#4
20190337046
2019-11-07

METHOD AND DEVICE FOR MANUFACTURING ARC-SHAPED COIL SPRING

#5
20180071812
2018-03-15

DEVICE FOR MANUFACTURING COIL SPRING AND METHOD FOR MANUFACTURING COIL SPRING

#6
20170355012
2017-12-14

Method for press-rolling a timepiece mainspring

#7
20170252867
2017-09-07

DEVICE AND METHOD FOR PRODUCING A SPRING WIRE, DEVICE AND METHOD FOR MAKING A SPRING WIRE, DEVICE AND METHOD FOR PRODUCING SPRINGS FROM A SPRING WIRE, AND SPRING WIRE

#8
20170056956
2017-03-02

Canted coil springs and assemblies and related methods

#9
20160207091
2016-07-21

Coil spring forming method and forming device

#10
20160167106
2016-06-16

Spiral spring manufacturing method

#11
20160016225
2016-01-21

ISOLATING DECOUPLER

#12
20150217361
2015-08-06

Bending device and spring manufacturing machine

#13
20150101699
2015-04-16

Device and method for forming end of coiled spring

#14
20120295471
2012-11-22

Variable canted coil spring cross section

#15
20110247717
2011-10-13

Device for producing a loop on one end of a coil spring

#16
20110062640
2011-03-17

Variable canted coil spring cross section

#17
20090283173
2009-11-19

Device and method for forming end of coiled spring

#18
20080173056
2008-07-24

Bending device of a spring forming machine

#19
20050241720
2005-11-03

Device for orienting springs

#20
20050204794
2005-09-22

Method for producing an end lug of a spring member formed of a strand of wire, and apparatus for manufacturing same

#21
20050045241
2005-03-03

Cassette pigtailing machine for a coil spring

#22
20050044914
2005-03-03

Movable mounting bed apparatus of spring forming machine