B21K1/08 - CPC Classification Index

#1

20240091847

2024-03-21

CRANKSHAFT AND METHOD OF MANUFACTURING FORGED MATERIAL FOR CRANKSHAFT

#2

20210187591

2021-06-24

Method for producing forged crankshaft

#3

20210138532

2021-05-13

Method and device for the impact treatment of transition radii of a crankshaft

#4

20200360984

2020-11-19

Method for producing forged crankshaft

#5

20200290112

2020-09-17

Method for producing forged crankshaft

#6

20200114414

2020-04-16

Method for producing forged crankshaft

#7

20200108455

2020-04-09

Method of manufacturing a crankshaft

#8

20200101521

2020-04-02

METHOD FOR PRODUCING FORGED CRANKSHAFT

#9

20200096037

2020-03-26

Crankshaft and method of manufacturing a crankshaft

#10

20200086378

2020-03-19

METHOD FOR PRODUCING FORGED CRANKSHAFT

#11

20200038939

2020-02-06

Device for calibrating and lightening the weight of crankshafts

#12

20190224741

2019-07-25

METHOD FOR PRODUCING FORGED CRANKSHAFT

#13

20190217372

2019-07-18

METHOD FOR PRODUCING FORGED CRANKSHAFT

#14

20190134698

2019-05-09

Swaging device and press

#15

20190010589

2019-01-10

LARGE CRANKSHAFT

#16

20180200807

2018-07-19

Cutter, crankshaft miller and crankshaft manufacturing method

#17

20180172064

2018-06-21

METHOD FOR MANUFACTURING CRANKSHAFT, AND CRANKSHAFT

#18

20180169742

2018-06-21

Apparatus and method for manufacturing forged crankshaft

#19

20180147621

2018-05-31

Apparatus for manufacturing forged crankshaft

#20

20180111185

2018-04-26

Method for producing forged crankshaft

#21

20180078994

2018-03-22

Method for producing forged crankshaft

#22

20180071814

2018-03-15

Method for producing forged crankshaft

#23

20180071813

2018-03-15

Method for producing forged crankshaft

#24

20180056372

2018-03-01

Method for producing forged crankshaft

#25

20180043422

2018-02-15

FRAME ASSEMBLY AND METHOD FOR MOUNTING A REAR MAIN SEAL TO A CRANKSHAFT OF A PORSCHE

#26

20180031027

2018-02-01

Crankshaft assemblies and methods of manufacturing the same

#27

20170326620

2017-11-16

METHOD OF MANUFACTURING CRANKSHAFT HAVING WEIGHT-REDUCING FORGED HOLES

#28

20170189955

2017-07-06

Method for producing a forged crankshaft

#29

20170173664

2017-06-22

Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same

#30

20170173663

2017-06-22

Apparatus for forming a blank for finish forging for a forged crankshaft for a 4-cylinder engine, and method for manufacturing a forged crankshaft for a 4-cylinder engine using the same

#31

20170167529

2017-06-15

Crankshaft for reciprocating engine

#32

20170165742

2017-06-15

Crankshaft and method of strengthening shaft component

#33

20170165741

2017-06-15

Apparatus for forming a blank for finish forging for a forged crankshaft for a straight-6-cylinder engine and method for manufacturing a forged crankshaft for a straight-6-cylinder engine using the same

#34

20170001237

2017-01-05

METHOD FOR PRODUCING A SHAFT-HUB CONNECTION

#35

20160271684

2016-09-22

Method for producing a forged crankshaft

#36

20160256917

2016-09-08

Method for producing a forged crankshaft

#37

20160250679

2016-09-01

Method for producing a forged crankshaft

#38

20160052045

2016-02-25

Camshaft-manufacturing method and gear shaft-manufacturing method

#39

20160052044

2016-02-25

Net shaped forgings for power generation/transfer shafts

#40

20150336164

2015-11-26

Method of eliminating the heat-affected zone in a welded article

#41

20150336163

2015-11-26

Method for producing a shaft

#42

20150321245

2015-11-12

Forged crankshaft and method for manufacturing the forged crankshaft

#43

20150314365

2015-11-05

Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same

#44

20150231710

2015-08-20

Method for machining center holes of forged rotary body and system for machining center holes of forged rotary body

#45

20150231689

2015-08-20

Apparatus for forming a blank for finish forging for a forged crankshaft

#46

20150128416

2015-05-14

Method of manufacturing die forged crankshaft

#47

20150121696

2015-05-07

Method for manufacturing rod-like component

#48

20140373351

2014-12-25

Process for producing forged product

#49

20140318310

2014-10-30

Crankshaft and method for producing the same

#50

20140230206

2014-08-21

Method of eliminating the heat affected zone in a welded crankshaft

#51

20120024105

2012-02-02

Crankshaft and method for producing the same

#52

20110308052

2011-12-22

Method for producing crankshaft and production apparatus therefor

#53

20110132138

2011-06-09

Nitrocarburized crankshaft member and steel for nitrocarburized crankshafts

#54

20110017351

2011-01-27

Nitrocarburized raw material for crankshafts and method for manufacturing the same

#55

20110000905

2011-01-06

Application of electric induction energy for manufacture of irregularly shaped shafts with cylindrical components including non-unitarily forged crankshafts and camshafts

#56

20100326235

2010-12-30

METAL FORGED CRANKSHAFT, APPARATUS FOR METAL FORGING A CRANKSHAFT AND METHOD OF METAL FORGING A CRANKSHAFT

#57

20100242241

2010-09-30

Production apparatus and production method for crankshaft

#58

20100180658

2010-07-22

Crankshaft production method and production apparatus

#59

20100139451

2010-06-10

Manufacturing method for a crankshaft member

#60

20100101085

2010-04-29

Method Of Manufacturing A Crankshaft And A Half-Finished Crankshaft

#61

20100081004

2010-04-01

Forged product and crankshaft manufactured from it

#62

20090126451

2009-05-21

Hot forging facility

#63

20080060406

2008-03-13

Method of and apparatus for forming a hollow step profiled shaft

#64

20050268466

2005-12-08

Method and apparatus for making a cylindrical bearing member