Patents-Review.com
ClassID:

39283 ⎘

B21K1/768 - CPC Classification

Classification description:

Making machine elements elements not mentioned in one of the preceding groups; Toothed racks hollow

Recent Application in this class:
#1
20240351094
2024-10-24

APPARATUS AND METHOD FOR MANUFACTURING RACK BAR

 #2
20210379648
2021-12-09

Apparatus and method for manufacturing rack bar

 #3
20200277002
2020-09-03

Manufacturing method for hollow rack bar and hollow rack bar manufacturing apparatus

 #4
20200056693
2020-02-20

RACK BAR AND METHOD FOR MANUFACTURING RACK BAR

 #5
20200039571
2020-02-06

HOLLOW RACK BAR AND METHOD OF MANUFACTURING THE HOLLOW RACK BAR

 #6
20200009643
2020-01-09

Method for manufacturing rack bar

 #7
20190366422
2019-12-05

RACK AND MANUFACTURING METHOD THEREOF, STEERING DEVICE, VEHICLE, AND PREFORMING DIE FOR MANUFACTURING RACK

 #8
20170203781
2017-07-20

Hollow rack bar and method of manufacturing the hollow rack bar

 #9
20160195181
2016-07-07

Rack bar and rack bar teeth forming die

 #10
20150276037
2015-10-01

Hollow rack bar and method of manufacturing hollow rack bar

 #11
20140083223
2014-03-27

Rack bar and rack bar teeth forming die

 #12
20130340554
2013-12-26

Rack bar and rack bar teeth forming die

 #13
20130125689
2013-05-23

Mandrel, set of mandrels, and hollow rack bar

 #14
20120258329
2012-10-11

Rack bar and method for production thereof

 #15
20120103120
2012-05-03

Hollow rack and hollow rack manufacturing method

 #16
20120102739
2012-05-03

Hollow rack end diameter reducing method

 #17
20110138946
2011-06-16

Manufacturing method for hollow rack shaft, and hollow rack shaft

 #18
20090301245
2009-12-10

Steering rack

 #19
20090260467
2009-10-22

Steering rack and method of manufacturing the same

 #20
20080229856
2008-09-25

Hollow rack, hollow rack end diameter reducing method, hollow rack end diameter reducing apparatus, and hollow rack manufacturing method

 #21
20080202270
2008-08-28

Mandrel, set of mandrels, and hollow rack bar

 #22
20070204668
2007-09-06

METHOD AND APPARATUS FOR PLASTIC WORKING OF HOLLOW RACK BAR AND HOLLOW RACK BAR

 #23
20070137343
2007-06-21

Composite steering rack

 #24
20070034036
2007-02-15

Manufacturing method of rack shaft