ClassID:

39070

B21H5/022 - CPC Classification

Classification description:

Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls Finishing gear teeth with cylindrical outline, e.g. burnishing

Recent Application in this class:
#1
20220235826
2022-07-28

Gear-tooth system and shaft/hub connection component

#2
20190262891
2019-08-29

Method for manufacturing a gear

#3
20190047114
2019-02-14

Rolling device for rolling work pieces having a toothing, and associated method

#4
20190001397
2019-01-03

Gear manufacturing method and gear manufactured thereby

#5
20170072453
2017-03-16

Method and device for producing a gear together with a clamping means

#6
20160193648
2016-07-07

METHOD FOR CHAMFERING AND POLISHING TOOTHED WORKPIECES

#7
20160175917
2016-06-23

Apparatus for smoothing a toothing system and production process

#8
20150183021
2015-07-02

Form rolling apparatus and form rolling method

#9
20150165533
2015-06-18

Method of machining a workpiece, and gear-cutting machine operable to perform the method

#10
20130145878
2013-06-13

SCISSORS GEAR STRUCTURE AND MANUFACTURING METHOD THEREOF

#11
20130008278
2013-01-10

Sintered gearwheel

#12
20120297623
2012-11-29

Rolling tool, apparatus and method for the production of crowned teeth, and gear

#13
20120227530
2012-09-13

Work Piece Having Different Qualities

#14
20110232092
2011-09-29

Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission

#15
20100279807
2010-11-04

Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel

#16
20100098575
2010-04-22

Device and method for calibrating a sintered molded part

#17
20100064755
2010-03-18

Method and device for machining a toothing on a sintered part

#18
20090241711
2009-10-01

Helical gear and method of manufacturing the same

#19
20090090154
2009-04-09

Method for producing a gear wheel

#20
20090035086
2009-02-05

Method of operating a gearwheel machining tool

#21
20090031544
2009-02-05

Operating method for improving the running behavior of gearwheels and burnishing device for performing the method

#22
20080209730
2008-09-04

Surface-Densified Toothed Section From A Sintered Material And Having Special Tolerances

#23
20080201951
2008-08-28

Work Piece Having Different Qualities

#24
20080170960
2008-07-17

Surface compression of a toothed section

#25
20080168640
2008-07-17

GEAR BURNISHER METHOD AND APPARATUS

#26
20080166579
2008-07-10

Sintered gear element featuring locally selective surface compression

#27
20080152940
2008-06-26

Hardness and roughness of toothed section from a surface-densified sintered material

#28
20080138562
2008-06-12

Automotive Component Comprising A Toothed Section

#29
20080134507
2008-06-12

Blank geometry of a gear

#30
20080032851
2008-02-07

Apparatus and method for strengthening gear teeth

#31
20070107481
2007-05-17

Method for producing a gearwheel

#32
20060107717
2006-05-25

Method and apparatus for precision rolling of rotationally symmetrical components

#33
20050181714
2005-08-18

Device for smoothing gear wheels

#34
20050181710
2005-08-18

Working method and device for smoothing gearwheels