ClassID:

39330

B21K21/08 - CPC Classification

Classification description:

Making hollow articles not covered by a single preceding sub-group Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs

Sub-classes:
Recent Application in this class:
#1
20240082860
2024-03-14

SPRAY TIP DESIGN AND MANUFACTURE

#2
20210339306
2021-11-04

Precision forging method, precision forging device, and precision forging product

#3
20210308704
2021-10-07

Spray tip design and manufacture

#4
20200354016
2020-11-12

METHOD FOR PRODUCING A BICYCLE COMPONENT, BICYCLE COMPONENT AND BICYCLE CHAINSET

#5
20200290113
2020-09-17

Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device

#6
20200248792
2020-08-06

Metal sleeve and method for producing it

#7
20190277727
2019-09-12

Gas sensor

#8
20180345347
2018-12-06

Method for manufacturing cylindrical body having different diameters by cold forging

#9
20180257131
2018-09-13

Method for manufacturing cylindrical ring member, bearing, clutch, vehicle, and machine

#10
20180138667
2018-05-17

Processing apparatus, method for manufacturing molded product, and method for manufacturing spark plug electrode

#11
20170333977
2017-11-23

Method for manufacturing tubular metal shell including ground electrode bar for spark plug, and method for manufacturing spark plug

#12
20170227337
2017-08-10

Method for producing a ring-shaped or plate-like element

#13
20170051370
2017-02-23

LANCE NOZZLE, METHOD FOR MANUFACTURING LANCE NOZZLE AND APPARATUS FOR MANUFACTURING LANCE NOZZLE

#14
20170021407
2017-01-26

Method for manufacturing metal fitting, method for manufacturing spark plug, and method for manufacturing sensor

#15
20160336675
2016-11-17

Cold forming method for forming power pins and power pin formed thereof

#16
20160265645
2016-09-15

Metal sleeve and method for producing it

#17
20160207095
2016-07-21

Manufacturing method of metal shell formed body for spark plug, manufacturing method of metal shell for spark plug, and spark plug manufacturing method

#18
20160123293
2016-05-05

Metal shell of glow plug for diesel engines and method of manufacturing the same

#19
20150362298
2015-12-17

Method for producing a ring-shaped or plate-like element

#20
20150360330
2015-12-17

Device for sealing orifices on nozzle of fuel injector for autofrettage process

#21
20150298156
2015-10-22

Distribution device for coloring products

#22
20150183014
2015-07-02

Method of manufacturing a hollow externally threaded fastener

#23
20140331729
2014-11-13

Device for sealing orifices on nozzle of fuel injector for autofrettage process

#24
20140241832
2014-08-28

Unitary connector pin formed by two-stage cold heading die

#25
20140208818
2014-07-31

System and method of making a forged part

#26
20140111295
2014-04-24

Solenoid housing and method of making the same

#27
20140096390
2014-04-10

Method for producing a throttle

#28
20130269476
2013-10-17

Method for the production of a tubular body, and control arm produced by this method

#29
20120256716
2012-10-11

Solenoid housing with elongated center pole

#30
20120067099
2012-03-22

Method for producing a ring-shaped or plate-like element

#31
20120047983
2012-03-01

MANUFACTURING METHOD FOR DIFFUSER

#32
20110314887
2011-12-29

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

#33
20110111869
2011-05-12

Spacer nut manufacturing method

#34
20100223973
2010-09-09

Method of producing metallic shell for spark plug

#35
20090282952
2009-11-19

Cold forged stainless tool and method for making the same

#36
20090208303
2009-08-20

Method for forging a spindle housing

#37
20080233779
2008-09-25

Method and apparatus for manufacturing a lead terminal

#38
20080148907
2008-06-26

Spanner with prevention of disengagement of fasteners

#39
20080047125
2008-02-28

Method for forming tapered piston pins

#40
20080034573
2008-02-14

Method of forming member, valve guide and method of forming the same, and method of forming tubular member

#41
20070261459
2007-11-15

Method of forming trailer receiver

#42
20070107201
2007-05-17

Method of forming a housing of a vehicle occupant protection apparatus

#43
20060260115
2006-11-23

Method and apparatus for upsetting cylindrical material

#44
20060153661
2006-07-13

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

#45
20060042710
2006-03-02

High pressure fuel injection tube and method of forming the same

#46
20050126250
2005-06-16

Cold form nozzle for laser processing

#47
20050086992
2005-04-28

Method of forming a trailer receiver tube using hollow forward extrusion

#48
18669823
2025-05-20

Material dispense tips

#49
18143190
2024-06-25

Material dispense tips

#50
17689050
2023-05-16

Method for manufacturing a material dispense tip

#51
14217809
2016-11-08

Method for manufacturing a material dispense tip