ClassID:

39229

B21K1/063 - CPC Classification

Classification description:

Making machine elements axles or shafts hollow

Recent Application in this class:
#1
20260117334
2026-04-30

HOLLOW WIND TURBINE MAIN SHAFT AND PROFILING FORGING PROCESS AND USE THEREOF

#2
20220371068
2022-11-24

SHAFT ASSEMBLY AND METHOD OF PRODUCING THE SAME

#3
20220314303
2022-10-06

Method for producing a polygonal shaft

#4
20220297179
2022-09-22

HOLLOW DRIVE SHAFT USING UPSETTING METHOD AND MANUFACTURING METHOD THEREFOR

#5
20220219218
2022-07-14

METHOD FOR PRODUCING A HOLLOW SHAFT

#6
20210346941
2021-11-11

NOVEL HOLLOW SHAFT MANUFACTURING METHOD

#7
20210277933
2021-09-09

Drive shaft and method of producing drive shaft

#8
20210276073
2021-09-09

Method for manufacturing a rotor shaft and rotor shaft

#9
20210252584
2021-08-19

Hollow drive shaft using upsetting method and manufacturing method therefor

#10
20210229160
2021-07-29

Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body

#11
20210069765
2021-03-11

Method of manufacturing two tubes simultaneously and machine for use therein

#12
20200290113
2020-09-17

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

#13
20200248792
2020-08-06

Metal sleeve and method for producing it

#14
20190329316
2019-10-31

Method of making an axle

#15
20180319434
2018-11-08

ELECTRIC POWER STEERING DEVICE AND MANUFACTURING METHOD THEREFOR

#16
20180185901
2018-07-05

Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body

#17
20180112744
2018-04-26

Method for producing a motor shaft of a rotor of an electric motor

#18
20180057904
2018-03-01

Hollow forging process for main shaft of large wind turbine generator

#19
20180056369
2018-03-01

Hot steel forging in horizontal press

#20
20180001364
2018-01-04

Method of manufacturing a tube and a machine for use therein

#21
20170368585
2017-12-28

Method of manufacturing a tube and a machine for use therein

#22
20170361367
2017-12-21

Method of manufacturing a tube and a machine for use therein

#23
20170241472
2017-08-24

Steering shaft and method for producing a profiled hollow shaft for a telescopic steering shaft of a motor vehicle

#24
20170216950
2017-08-03

Machine component and method for producing the same

#25
20170173999
2017-06-22

Variable-wall light-weight axle shaft with an integral flange member and method for making the same

#26
20170030398
2017-02-02

Method of manufacturing light rotor shaft for eco-friendly vehicles

#27
20160273575
2016-09-22

Drive shaft for motor vehicles and method for manufacturing a drive shaft of this type

#28
20160265645
2016-09-15

Metal sleeve and method for producing it

#29
20160223011
2016-08-04

Hollow drive shaft and method for manufacturing same

#30
20160001351
2016-01-07

HOLLOW DRIVE SHAFT WITH FLANGE AND METHOD FOR THE PRODUCTION THEREOF

#31
20150367681
2015-12-24

HOLLOW AXLE SHAFT FOR A VEHICLE AND A METHOD OF MANUFACTURING THE SAME

#32
20150367680
2015-12-24

Method of manufacturing hollow axle shaft for a vehicle

#33
20150336163
2015-11-26

Method for producing a shaft

#34
20150285297
2015-10-08

Method for forming a variable wall light weight axle shaft with friction welded flange

#35
20150285296
2015-10-08

Variable-wall light-weight axle shaft with an integral flange member and method for making the same

#36
20150130262
2015-05-14

Forged hollow axle and method for making the same

#37
20150050513
2015-02-19

Method for manufacturing hollow shafts

#38
20140352146
2014-12-04

Method of fabricating a turbine engine shaft

#39
20130136943
2013-05-30

PROCESS FOR PRODUCING A ROTATIONALLY SYMMETRIC HOLLOW PART AND HOLLOW PART PRODUCED THEREBY

#40
20100143527
2010-06-10

EXTRUSION DIE AND METHOD FOR EXTRUDING A ROTOR SHAFT FOR A WIND TURBINE GENERATOR

#41
20090305797
2009-12-10

Method for forming hollow profiles

#42
20090260467
2009-10-22

Steering rack and method of manufacturing the same

#43
20090064652
2009-03-12

METHOD OF MAKING BUSHING WITH BLIND GROOVES USED AS OIL RESERVOIR FOR CHAIN

#44
20080279716
2008-11-13

Metal material having excellent metal dusting resistance

#45
20080190165
2008-08-14

Hollow Power Transmission Shaft

#46
20080113534
2008-05-15

Hollow Bar Manufacturing Process

#47
20080053183
2008-03-06

Methods and systems for reducing tensile residual stresses in compressed tubing and metal tubing products produced from same

#48
20070251606
2007-11-01

Power transmission shaft

#49
20070193030
2007-08-23

NET FORMED GEAR MEMBER AND METHOD OF MANUFACTURE

#50
20070129154
2007-06-07

Propeller shaft assembly with integrated stub portion

#51
20070050965
2007-03-08

Hollow bar manufacturing process

#52
20060260117
2006-11-23

Method for manufacturing an open hollow bicycle crank

#53
20060242835
2006-11-02

METHOD FOR MANUFACTURING HOLLOW CONSTRUCTION ELEMENTS

#54
20060183561
2006-08-17

Shaft assembly and method of manufacture thereof

#55
20060048556
2006-03-09

Method of manufacturing a splined member for use in a driveshaft assembly

#56
20050156424
2005-07-21

Steering column and manufacturing method thereof

#57
20050091825
2005-05-05

Method of manufacturing hollow structural elements

#58
20050028341
2005-02-10

Method of manufacturing a combined driveshaft tube and yoke assembly

#59
20050003897
2005-01-06

Method of manufacturing a combined driveshaft tube and yoke assembly