ClassID:

39333

B21K21/14 - CPC Classification

Classification description:

Making hollow articles not covered by a single preceding sub-group; Shaping end portions of hollow articles closed or substantially-closed ends, e.g. cartridge bottoms

Recent Application in this class:
#1
20240377172
2024-11-14

METHOD AND TOOL FOR PRODUCING A BASE PIECE OF A MULTI-PART CARTRIDGE CASE, BASE PIECE AND CARTRIDGE CASE

#2
20220041027
2022-02-10

Hollow coil spring and suspension device for vehicle

#3
20210129224
2021-05-06

Shell case design utilizing metal injection molding

#4
20200318937
2020-10-08

Metal injection molded cased telescoped ammunition

#5
20190329316
2019-10-31

Method of making an axle

#6
20190030973
2019-01-31

Hollow coil spring and suspension device for vehicle

#7
20180243820
2018-08-30

High-pressure seamless steel cylinder with second inner neck and the method of its production

#8
20180229576
2018-08-16

Vehicle stabilizer, processing device for eye portion of stabilizer, and processing method for eye portion

#9
20180065183
2018-03-08

Shell case design utilizing metal injection molding

#10
20150367680
2015-12-24

Method of manufacturing hollow axle shaft for a vehicle

#11
20110280678
2011-11-17

Hollow drill and a production process for the same

#12
20110226344
2011-09-22

Method for producing throttle holes having a low cavitation transmission point

#13
20110024517
2011-02-03

Swirl spraying nozzle for sprayng liquid fuel, and method of producing same, and a nozzle assembly for a burner with the swirl spraying nozzle

#14
20100042125
2010-02-18

Microsurgical probe

#15
20090272170
2009-11-05

Closing Method and Closing Machine

#16
20090205393
2009-08-20

Method for providing an armature housing

#17
20080034826
2008-02-14

Closing device and closing method

#18
20070199774
2007-08-30

Bottomed cylindrical piston and method of manufacturing bottomed cylindrical piston

#19
20070093793
2007-04-26

Microsurgical probe

#20
20070028915
2007-02-08

Gas manifold for a cooking range, with a pipe closure

#21
20060218792
2006-10-05

Co-extruded generating bank swaged tubing

#22
20060112751
2006-06-01

Method for manufacture of a metal shell, and a cup designed to serve as a blank