ClassID:

44644

B24B21/08 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor for grinding plane surfaces involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground Pressure shoes; Pressure members, e.g. backing belts

Recent Application in this class:
#1
20250214194
2025-07-03

EQUIPMENT FOR SURFACE PROCESSING OF PLATE-SHAPED ELEMENTS

#2
20250178149
2025-06-05

SUBSTRATE POLISHING APPARATUS

#3
20250001544
2025-01-02

Pressing Element for a Grinding Belt, with Cooling

#4
20240293909
2024-09-05

GRINDING DEVICE FOR CREATING SURFACE STRUCTURES

#5
20240123563
2024-04-18

DEVICES AND METHODS FOR THE LATERALLY PRECISELY DEFINED USE OF SANDING BELTS ON BELT SANDING MACHINES IN CONTINUOUS OPERATION

#6
20240109161
2024-04-04

POLISHING APPARATUS AND POLISHING METHOD

#7
20220305616
2022-09-29

Method for Determining State Information Relating to a Belt Grinder by Means of a Machine Learning System

#8
20210402544
2021-12-30

Sanding machine with transversal belt

#9
20200114484
2020-04-16

POLISHING DEVICE

#10
20200047305
2020-02-13

Sanding machine for the sanding/finishing panels made of wood, metal, or the like

#11
20200030931
2020-01-30

SANDING ARRANGEMENT FOR A SANDING MACHINE

#12
20200023486
2020-01-23

Polishing apparatus and polishing method

#13
20190283201
2019-09-19

EQUIPMENT FOR SURFACE PROCESSING OF PLATE-SHAPED ELEMENTS

#14
20190232455
2019-08-01

Machining device and machining method

#15
20190232454
2019-08-01

Worm polishing method and device thereof

#16
20190184519
2019-06-20

Polishing head and polishing apparatus

#17
20190054594
2019-02-21

Method and apparatus for polishing a substrate, and method for processing a substrate

#18
20180169820
2018-06-21

Polishing apparatus and pressing pad for pressing polishing tool

#19
20180111243
2018-04-26

Grinding or sanding machine

#20
20180076043
2018-03-15

Substrate processing method and substrate processing apparatus

#21
20170216989
2017-08-03

Polishing apparatus

#22
20170165805
2017-06-15

Sanding machine

#23
20170087684
2017-03-30

Method and system for removing material from a workpiece

#24
20160052107
2016-02-25

Polishing method

#25
20150352682
2015-12-10

Polishing apparatus

#26
20150298281
2015-10-22

Sanding pad lining carrier with recesses

#27
20150111471
2015-04-23

Method and apparatus for smoothing welded member

#28
20140349551
2014-11-27

Pattern sander device, system and method

#29
20140342639
2014-11-20

Pattern sander device, system and method

#30
20140213152
2014-07-31

Wafer edge trimming tool using abrasive tape

#31
20140094099
2014-04-03

Belt finishing device, belt finishing system and method for producing a belt finishing device

#32
20130078894
2013-03-28

Polishing device with driving mechanisms

#33
20130059507
2013-03-07

Sanding pad lining carrier with recesses

#34
20120295523
2012-11-22

Machining station and apparatus for machining a workpiece

#35
20120295522
2012-11-22

Pattern sander device, system and method

#36
20110287698
2011-11-24

SYSTEM, METHOD AND APPARATUS FOR ELASTOMER PAD FOR FABRICATING MAGNETIC RECORDING DISKS

#37
20090227189
2009-09-10

Polishing apparatus

#38
20080287048
2008-11-20

Device for modifying the position of the segments in the event of the inclination of a segmented grinding pad

#39
20080182491
2008-07-31

Device and control unit for belt sanding systems

#40
20070184759
2007-08-09

Platen assembly, apparatus having the platen assembly and method of polishing a wafer using the platen assembly

#41
20060172661
2006-08-03

Devices with angularly adjustable sanding units

#42
20060063469
2006-03-23

Advanced chemical mechanical polishing system with smart endpoint detection

#43
20050245179
2005-11-03

Backup shoe for microfinishing and methods

#44
14097137
2016-03-29

Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer