ClassID:

44636

B24B21/002 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor for grinding edges or bevels

Recent Application in this class:
#1
20250178149
2025-06-05

SUBSTRATE POLISHING APPARATUS

#2
20250058424
2025-02-20

SKATE BLADE AND APPARATUS FOR REMOVING MATERIAL FROM A SKATE BLADE

#3
20250033164
2025-01-30

SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD

#4
20240416479
2024-12-19

POLISHING APPARATUS AND POLISHING METHOD

#5
20240217051
2024-07-04

AUTOMATIC BLADE HOLDER

#6
20240051076
2024-02-15

DEVICE FOR PROCESSING THE RUNNING EDGES OF SPORTS EQUIPMENT

#7
20240042568
2024-02-08

AUTOMATIC BLADE HOLDER

#8
20220266409
2022-08-25

DEBURRING TOOL COMPRISING A GRINDING BELT HOLDER

#9
20220040812
2022-02-10

Skate blade and apparatus for removing material from a skate blade

#10
20210320000
2021-10-14

Wafer trimming device

#11
20210069853
2021-03-11

Automatic blade holder

#12
20200070299
2020-03-05

Belt grinder

#13
20200023486
2020-01-23

Polishing apparatus and polishing method

#14
20190390335
2019-12-26

Substrate processing apparatus and substrate processing method

#15
20190232454
2019-08-01

Worm polishing method and device thereof

#16
20190217438
2019-07-18

Substrate processing apparatus and control method

#17
20190084113
2019-03-21

Powered sharpener with user directed indicator mechanism

#18
20190054589
2019-02-21

Polishing method and polishing apparatus

#19
20180345440
2018-12-06

Multi-stage batch polishing method for end surface of optical fiber connector, and polishing film

#20
20180277401
2018-09-27

Substrate processing method and apparatus

#21
20180169822
2018-06-21

Polishing apparatus and polishing method

#22
20180169820
2018-06-21

Polishing apparatus and pressing pad for pressing polishing tool

#23
20180154493
2018-06-07

METHODS OF EDGE FINISHING LAMINATED GLASS STRUCTURES

#24
20180133861
2018-05-17

Polishing apparatus and polishing method

#25
20180076043
2018-03-15

Substrate processing method and substrate processing apparatus

#26
20180056469
2018-03-01

Powered tool sharpener with variable material take off (MTO) rate

#27
20170312879
2017-11-02

Polishing apparatus for detecting abnormality in polishing of a substrate

#28
20170291273
2017-10-12

Polishing apparatus and polishing method

#29
20170232569
2017-08-17

Powered tool sharpener with multi-speed abrasive

#30
20170216989
2017-08-03

Polishing apparatus

#31
20170165804
2017-06-15

Polishing apparatus and polishing method

#32
20170129069
2017-05-11

Finishing belt device and method for finishing a workpiece

#33
20170100813
2017-04-13

Polishing method of polishing a substrate

#34
20170072528
2017-03-16

Polishing apparatus and polishing method

#35
20160305022
2016-10-20

Substrate processing apparatus and substrate processing method

#36
20160297048
2016-10-13

Wafer polishing apparatus

#37
20160260625
2016-09-08

Polishing device and polishing method

#38
20160190023
2016-06-30

Wafer back-side polishing system and method for integrated circuit device manufacturing processes

#39
20160114455
2016-04-28

Apparatus for detecting abnormality in polishing of a substrate

#40
20160052107
2016-02-25

Polishing method

#41
20150375357
2015-12-31

Abrasive belt polishing finisher

#42
20150352682
2015-12-10

Polishing apparatus

#43
20150306726
2015-10-29

Edge finishing apparatus

#44
20150298280
2015-10-22

Polishing apparatus and polishing method

#45
20150258653
2015-09-17

Polishing apparatus and polishing method

#46
20150235858
2015-08-20

Wafer back-side polishing system and method for integrated circuit device manufacturing processes

#47
20150190898
2015-07-09

METHODS OF FINISHING AN EDGE OF A GLASS SHEET

#48
20150151398
2015-06-04

Polishing apparatus and polishing method

#49
20150104620
2015-04-16

Polishing apparatus and polishing method

#50
20150087210
2015-03-26

Polishing apparatus

#51
20140213155
2014-07-31

Wafer polishing method

#52
20140213154
2014-07-31

Polishing apparatus

#53
20140213152
2014-07-31

Wafer edge trimming tool using abrasive tape

#54
20140094095
2014-04-03

Polishing method involving a polishing member polishing at angle tangent to the substrate rotational direction

#55
20140057537
2014-02-27

Sharpening device for cutting blade

#56
20120329372
2012-12-27

System for machining a bevel

#57
20120302139
2012-11-29

Methods of finishing an edge of a glass sheet

#58
20120252320
2012-10-04

Polishing apparatus and polishing method

#59
20120244787
2012-09-27

Polishing apparatus and polishing method

#60
20120208437
2012-08-16

Polishing apparatus and polishing method

#61
20120156972
2012-06-21

Glass edge finish system, belt assembly, and method for using same

#62
20120135668
2012-05-31

Method of polishing a substrate using a polishing tape having fixed abrasive

#63
20120009854
2012-01-12

Edge finishing apparatus

#64
20110306282
2011-12-15

Adjustable belt sander

#65
20110297959
2011-12-08

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#66
20110256811
2011-10-20

POLISHING METHOD

#67
20110207294
2011-08-25

Method for manufacturing semiconductor device

#68
20110136411
2011-06-09

Method and apparatus for polishing a substrate having a grinded back surface

#69
20110010954
2011-01-20

Grinding angle bubble level jig

#70
20110003540
2011-01-06

POLISHING APPARATUS

#71
20110003537
2011-01-06

Polishing apparatus and polishing method

#72
20100136886
2010-06-03

Polishing apparatus and substrate processing apparatus

#73
20100112909
2010-05-06

METHOD OF AND APPARATUS FOR ABRADING OUTER PERIPHERAL PARTS OF A SEMICONDUCTOR WAFER

#74
20100105299
2010-04-29

METHODS AND APPARATUS FOR POLISHING AN EDGE AND/OR NOTCH OF A SUBSTRATE

#75
20100105294
2010-04-29

METHODS AND APPARATUS TO MINIMIZE THE EFFECT OF TAPE TENSION IN ELECTRONIC DEVICE POLISHING

#76
20090227189
2009-09-10

Polishing apparatus

#77
20090218659
2009-09-03

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#78
20090142992
2009-06-04

Polishing apparatus and polishing method

#79
20090124174
2009-05-14

Substrate treating method and substrate treating apparatus

#80
20090117828
2009-05-07

Polishing apparatus and substrate processing apparatus

#81
20090036042
2009-02-05

METHODS AND APPARATUS FOR POLISHING AN EDGE OF A SUBSTRATE

#82
20090036039
2009-02-05

METHODS AND APPARATUS FOR POLISHING AN EDGE OF A SUBSTRATE

#83
20090029629
2009-01-29

METHODS AND APPARATUS FOR POLISHING AN EDGE OF A SUBSTRATE

#84
20090017731
2009-01-15

METHODS AND APPARATUS FOR PROCESSING A SUBSTRATE

#85
20090017730
2009-01-15

Polishing apparatus and polishing method

#86
20090004952
2009-01-01

Polishing apparatus and polishing method

#87
20080293344
2008-11-27

METHODS AND APPARATUS FOR POLISHING A NOTCH OF A SUBSTRATE USING A POLISHING PAD

#88
20080293341
2008-11-27

METHODS AND APPARATUS FOR USING A ROLLING BACKING PAD FOR SUBSTRATE POLISHING

#89
20080293331
2008-11-27

METHODS AND APPARATUS FOR LOW COST AND HIGH PERFORMANCE POLISHING TAPE FOR SUBSTRATE BEVEL AND EDGE POLISHING IN SEMINCONDUCTOR MANUFACTURING

#90
20080254719
2008-10-16

SUBSTRATE PROCESSING METHOD

#91
20080188167
2008-08-07

Substrate processing apparatus

#92
20070243799
2007-10-18

Knife sharpening apparatus

#93
20070238393
2007-10-11

METHODS AND APPARATUS FOR POLISHING AN EDGE OF A SUBSTRATE

#94
20070131653
2007-06-14

Methods and apparatus for processing a substrate

#95
20070042688
2007-02-22

Apparatus for treating edges of panels and method

#96
20070000873
2007-01-04

Substrate processing method and semiconductor device manufacturing method

#97
20060252355
2006-11-09

Polishing tape and method

#98
20060194520
2006-08-31

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#99
20060094343
2006-05-04

Polishing machine

#100
20060030248
2006-02-09

Handheld skate sharpener

#101
20050250423
2005-11-10

Method for manufacturing semiconductor device and polishing apparatus

#102
20050245175
2005-11-03

In-situ blade sharpener

#103
20050227591
2005-10-13

Processing tool, method of producing processing tool, processing method and processing apparatus

#104
19233132
2025-11-25

Watch refurbishing devices and methods

#105
14679714
2016-06-07

Sharpening a cutting tool using multiple abrasive belts