ClassID:

44650

B24B21/18 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor Accessories

Sub-classes:
Recent Application in this class:
#1
20250312880
2025-10-09

BELT SANDER CAPABLE OF AUTOMATICALLY ADJUSTING OSCILLATING POSITION OF ABRASIVE BELT

#2
20250001544
2025-01-02

Pressing Element for a Grinding Belt, with Cooling

#3
20240416477
2024-12-19

Sanding systems, methods, and devices

#4
20230381921
2023-11-30

MACHINE CONTROL FOR DYNABRAID MACHINE

#5
20230191552
2023-06-22

BELT LOADING METHOD AND DEVICE FOR MATERIAL REMOVAL TOOL

#6
20220055175
2022-02-24

ENDLESS ABRASIVE BELT DISPENSER

#7
20210362288
2021-11-25

PROTECTIVE COVER ASSEMBLED ON ABRASIVE BELT HAND TOOL

#8
20200206870
2020-07-02

Polishing pad conditioning apparatus

#9
20200122290
2020-04-23

GRINDING DEVICE

#10
20190232454
2019-08-01

Worm polishing method and device thereof

#11
20180297171
2018-10-18

GRINDING APPARATUS

#12
20180290259
2018-10-11

Expandable handheld pneumatic belt grinder

#13
20180290258
2018-10-11

Method and apparatus for installing endless abrasive belt

#14
20180222006
2018-08-09

Abrasive belt grinding center applicable to grinding and polishing of whole profile of blisk

#15
20180111243
2018-04-26

Grinding or sanding machine

#16
20180099381
2018-04-12

Conveying, driving and pressing belt with reinforcing insert

#17
20170151645
2017-06-01

Pressing device for pressing a finishing belt against a workpiece surface

#18
20160074986
2016-03-17

Polishing device and method for polishing semiconductor wafer

#19
20160052107
2016-02-25

Polishing method

#20
20150099434
2015-04-09

Transform mechanism of a finishing wheel for an abrasive belt polishing finisher

#21
20140349551
2014-11-27

Pattern sander device, system and method

#22
20140342639
2014-11-20

Pattern sander device, system and method

#23
20140295736
2014-10-02

Apparatus and method for blending added material with base material on a manufactured component

#24
20140213154
2014-07-31

Polishing apparatus

#25
20120295522
2012-11-22

Pattern sander device, system and method

#26
20120270479
2012-10-25

Adjustable Grinding Platform and Mounting Assembly

#27
20100236314
2010-09-23

Pressing device for cutting means and apparatus and method for finishing circumferential surfaces on cylindrical parts of a workpiece

#28
20100105290
2010-04-29

METHODS AND APPARATUS FOR INDICATING A POLISHING TAPE END

#29
20100022167
2010-01-28

Superfinish Machine with an Endless Polishing Band and Method for Operating a Superfinish Machine

#30
20090011691
2009-01-08

Robotic machining tool employing an endless machining belt

#31
20080173660
2008-07-24

Device for storing and dispensing endless machining belts for a robotic installation

#32
20070287360
2007-12-13

Polishing tape and polishing device using same

#33
20060189266
2006-08-24

System for replacement of sheet abrasive

#34
20060046629
2006-03-02

Grinding device

#35
20060025048
2006-02-02

Abrasive article detection system and method

#36
20060025046
2006-02-02

Abrasive article splicing system and methods

#37
20060025045
2006-02-02

System and method for detecting abrasive article orientation

#38
20050221730
2005-10-06

Polishing pad conditioning and polishing liquid dispersal system

#39
20050059326
2005-03-17

Shaping pulley assembly for belt notching machine

#40
15666250
2018-12-04

Handle extension for belt sander

#41
14252513
2015-04-07

Sharpener for cutting tools