Patents-Review.com
ClassID:

44639 ⎘

B24B21/008 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor Machines comprising two or more tools or having several working posts

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

EQUIPMENT FOR SURFACE PROCESSING OF PLATE-SHAPED ELEMENTS

 #2
20240091899
2024-03-21

POLISHING APPARATUS

 #3
20220219281
2022-07-14

ABRADING APPARATUS

 #4
20200365412
2020-11-19

Chemical planarization

 #5
20200070299
2020-03-05

Belt grinder

 #6
20190283201
2019-09-19

EQUIPMENT FOR SURFACE PROCESSING OF PLATE-SHAPED ELEMENTS

 #7
20190283200
2019-09-19

Wheel grinding device

 #8
20190275636
2019-09-12

Method for operating a grinding device

 #9
20190193234
2019-06-27

Wheel back cavity groove processing equipment

 #10
20190118335
2019-04-25

Polishing apparatus

 #11
20190054589
2019-02-21

Polishing method and polishing apparatus

 #12
20180277401
2018-09-27

Substrate processing method and apparatus

 #13
20180236513
2018-08-23

Apparatus of manufacturing panel for home appliance and method of manufacturing the home appliance

 #14
20180222006
2018-08-09

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

 #15
20180178344
2018-06-28

Metal plate, patterning apparatus and patterning method using the same

 #16
20180147685
2018-05-31

Wheel burr removing device

 #17
20170232570
2017-08-17

Finishing device for finish machining of a workpiece, in particular of a crankshaft or a camshaft

 #18
20170165804
2017-06-15

Polishing apparatus and polishing method

 #19
20170072528
2017-03-16

Polishing apparatus and polishing method

 #20
20160318191
2016-11-03

Workpiece reverse support device and robot cell including the same device

 #21
20160297048
2016-10-13

Wafer polishing apparatus

 #22
20160052107
2016-02-25

Polishing method

 #23
20160031060
2016-02-04

Device and system for finish-machining a workpiece in the form of a crankshaft or a camshaft

 #24
20150375357
2015-12-31

Abrasive belt polishing finisher

 #25
20150352685
2015-12-10

Compression line spring grinding device

 #26
20150151398
2015-06-04

Polishing apparatus and polishing method

 #27
20150104620
2015-04-16

Polishing apparatus and polishing method

 #28
20150044944
2015-02-12

Surface processing system for a work piece

 #29
20140287659
2014-09-25

Machining method and machining device of component

 #30
20140213155
2014-07-31

Wafer polishing method

 #31
20130288579
2013-10-31

Deburring machine abrasive belt, chamfering-deburring machine that deburrs twice per rotation, and deburring method

 #32
20120244787
2012-09-27

Polishing apparatus and polishing method

 #33
20120208437
2012-08-16

Polishing apparatus and polishing method

 #34
20120156972
2012-06-21

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

 #35
20090142992
2009-06-04

Polishing apparatus and polishing method

 #36
20080076330
2008-03-27

CHEMICAL MECHANICAL POLISHING WITH NAPPED POROMERIC

 #37
20070021043
2007-01-25

Chemical mechanical polishing apparatus with rotating belt

 #38
20050075058
2005-04-07

Sand-belt finishing machine having dust clearing function

 #39
20050075057
2005-04-07

Sand-belt finishing machine having a small size