ClassID:

39224

B21K1/02 - CPC Classification

Classification description:

Making machine elements balls, rolls, or rollers, e.g. for bearings

Sub-classes:
Recent Application in this class:
#1
20190358696
2019-11-28

Molding device for manufacturing cylindrical rolling body, manufacturing method for cylindrical rolling body, manufacturing method for rolling bearing, manufacturing method for vehicle, and manufacturing method for mechanical apparatus

#2
20170232543
2017-08-17

Fabrication and monitoring device for micro probe ball tip

#3
20160039071
2016-02-11

Apparatus for forming shot ball

#4
20150231754
2015-08-20

Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus

#5
20150026957
2015-01-29

Method for manufacturing forged steel roll

#6
20120180317
2012-07-19

Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus

#7
20110232094
2011-09-29

Method for producing the rolling elements of a ball roller bearing

#8
20090038157
2009-02-12

COLD FORMING PROCESS FOR MANUFACTURING BALL PIVOTS

#9
20080216550
2008-09-11

Forged roller

#10
20080216319
2008-09-11

Method of cold-forming near net shape metal roller blanks for anti-friction bearings

#11
20070211972
2007-09-13

Ball Element for Two-Part Ball Pivots and Process for Manufacturing Same

#12
20070119054
2007-05-31

Race member in hub unit and method of producing the same

#13
20060119075
2006-06-08

Trailer ball and production thereof

#14
20060013521
2006-01-19

Method of cold-forming near net shape metal roller blanks for anti-friction bearings

#15
20050185870
2005-08-25

Race member in hub unit and method of producing the same

#16
15989116
2019-12-31

Process for manufacturing a near perfect round ball bearing with a hole there through