ClassID:

44900

B24B55/102 - CPC Classification

Classification description:

Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition; Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools

Recent Application in this class:
#1
20260108998
2026-04-23

RANDOM ORBIT SANDER

#2
20260102866
2026-04-16

EQUIPMENT FOR DRY POLISHING AND GRINDING OPERATIONS

#3
20260091466
2026-04-02

ANGLE GRINDER DUST COLLECTION SHROUD

#4
20260053318
2026-02-26

Particle Collection Device for Collecting Particles, Filter Cleaning Unit for Such a Particle Collection Device, and Power Tool with Such a Particle Collection Device

#5
20260042181
2026-02-12

SKATE BLADE SHARPENING SYSTEM

#6
20260027674
2026-01-29

ELECTRIC TOOL GRINDING MACHINE WITH STATIC ELECTRICITY DISSIPATION

#7
20260008156
2026-01-08

Grinding and/or Polishing Pad Device, Grinding and/or Polishing Machine, and Method for Manufacturing a Grinding and/or Polishing Pad Device

#8
20260008151
2026-01-08

Grinding and/or Polishing Pad Device, Grinding and/or Polishing Machine and Method for Manufacturing a Grinding and/or Polishing Pad Device

#9
20250381645
2025-12-18

EXTRACTOR FOR A GRINDER

#10
20250344919
2025-11-13

Dust Collector Bag and Filter

#11
20250269494
2025-08-28

POROUS ABRASIVE ARTICLE

#12
20250256375
2025-08-14

GRINDING MACHINE WITH AN EXTERNAL AIR INLET

#13
20250249544
2025-08-07

SANDING MACHINE

#14
20250196284
2025-06-19

HAND-HELD GRINDING MACHINE COMPRISING AN ENERGY STORAGE DEVICE AND A DUST REMOVAL PORT

#15
20250041992
2025-02-06

FLATNESS CONTROL STRUCTURE FOR A DRYWALL SANDER

#16
20250025975
2025-01-23

SKATE BLADE SHARPENING SYSTEM

#17
20240416482
2024-12-19

ELECTRIC TOOL GRINDING MACHINE WITH STATIC ELECTRICITY DISSIPATION

#18
20240408717
2024-12-12

Hand-Held Power Tool, in Particular Grinding Tool, Hand-Held Power Tool Apparatus, Protective Device, Hand-Held Power Tool System and Method for Producing a Hand-Held Power Tool Apparatus

#19
20240391046
2024-11-28

RANDOM ORBIT SANDER WITH A MULTI-MATERIAL DUST COLLECTION ASSEMBLY

#20
20240367289
2024-11-07

GRINDING DISC FOR A GRINDING DEVICE AND GRINDING SYSTEM

#21
20240278376
2024-08-22

PORTABLE MACHINING APPARATUS

#22
20240227111
2024-07-11

POWER TOOL

#23
20240217063
2024-07-04

SYSTEM AND APPARATUS FOR CLEANING SURFACES

#24
20240198483
2024-06-20

SANDER

#25
20240173822
2024-05-30

RANDOM ORBIT SANDER

#26
20240157499
2024-05-16

LONG ROD POLISHING DEVICE

#27
20240123571
2024-04-18

Guard for a rotatable wheel of a power tool

#28
20240109162
2024-04-04

SANDER

#29
20240100650
2024-03-28

AUTOMATED DETECTION OF TOOL GLAZING IN FLOOR GRINDERS

#30
20230330583
2023-10-19

Filter arrangement for filtering dust-laden air generated by a hand-guided power tool and power tool arrangement comprising a hand-guided power tool and such a filter arrangement

#31
20230278166
2023-09-07

POWER TOOL

#32
20230278157
2023-09-07

POWER TOOL

#33
20230219028
2023-07-13

POWER TOOL INCLUDING AN AIR FILTER AND DEBRIS COLLECTOR

#34
20230017671
2023-01-19

QUARTER SHEET SANDER

#35
20230006299
2023-01-05

Power tool

#36
20230001538
2023-01-05

Electric power tool having a rotating tool

#37
20230001534
2023-01-05

Power tool

#38
20220402095
2022-12-22

METALWORKING DUST COLLECTION ATTACHMENT AND GRINDING TOOL

#39
20220297262
2022-09-22

POWER TOOL WITH DUST COLLECTION FEATURE

#40
20220281067
2022-09-08

Grinding head and brush ring for long rod grinding machine

#41
20220266422
2022-08-25

Apparatus and method for the automatic removal of grinding discs

#42
20220250209
2022-08-11

Grinding Tool

#43
20220203499
2022-06-30

Dust Hood Extension Device and System Comprising A Dust Hood Extension Device of This Kind and An Adapter

#44
20220118580
2022-04-21

Hand-Held Sanding Machine

#45
20220097207
2022-03-31

SURFACE ABRADING MACHINE

#46
20220088739
2022-03-24

Assembly for a floor processing machine

#47
20220063057
2022-03-03

Air Grinder Vacuuming Assembly

#48
20220032419
2022-02-03

Skate blade sharpening system

#49
20210402564
2021-12-30

Cyclone dust collecting device and grinding device

#50
20210316417
2021-10-14

COVER AND TOOL

#51
20210205945
2021-07-08

MOBILE MACHINE TOOL WITH MOVABLY MOUNTED TOOL

#52
20210154613
2021-05-27

Filter arrangement for filtering dust-laden air generated by a hand- guided power tool and power tool arrangement

#53
20210129287
2021-05-06

Mobile machine tool with suction unit and control method

#54
20210122000
2021-04-29

POLE SANDER

#55
20210121999
2021-04-29

Pole sander

#56
20210060722
2021-03-04

Electric grinding machine

#57
20210016418
2021-01-21

Sliding ring for a grinding device and method for producing the sliding ring

#58
20200353593
2020-11-12

A backing pad arrangement for an abrading system, and the abrading system

#59
20200338689
2020-10-29

Grinding Wheel Guard

#60
20200298373
2020-09-24

POROUS ABRASIVE ARTICLE

#61
20200269182
2020-08-27

Separator, separator system and methods of their operation

#62
20200269179
2020-08-27

Separator and method of operating a separator

#63
20200223026
2020-07-16

Power tool

#64
20200180107
2020-06-11

Abrasive article

#65
20200139508
2020-05-07

SUCTION HOOD FOR A POWER TOOL

#66
20200122294
2020-04-23

Grinder dust shroud with input shaft gasket and adjustable mounting mechanism

#67
20200122288
2020-04-23

Angle grinder

#68
20200070082
2020-03-05

Power tool including an air filter and debris collector

#69
20200023495
2020-01-23

Conduit arrangements in intermediate pad, backing pad, and abrading article for extracting abrading debris

#70
20190358764
2019-11-28

APPARATUS FOR SURFACE ABRASION

#71
20190351528
2019-11-21

Dust collection device and power tool

#72
20190321940
2019-10-24

System and method for a debris shield that attaches to a vacuum shroud for tile removal

#73
20190305640
2019-10-03

Hand held machine tool

#74
20190283210
2019-09-19

Grinder particulate control assembly

#75
20190270173
2019-09-05

Floor grinding machine, method of operating floor grinding machine

#76
20190240807
2019-08-08

DUST HOOD FOR A GRINDING DEVICE

#77
20190160622
2019-05-30

Hand-held machine tool having a suction hose

#78
20190150684
2019-05-23

Exhaust-supplied vacuum system and apparatus

#79
20190134769
2019-05-09

Wall polisher for building decoration

#80
20190126434
2019-05-02

Floor grinding apparatus having dust sealing rings

#81
20190105755
2019-04-11

Hand-held machine tool comprising a disconnector

#82
20190076979
2019-03-14

MODULAR GRINDER VEHICLE

#83
20190054615
2019-02-21

Apparatus and method for surface finishing

#84
20190054593
2019-02-21

Advanced floor machine

#85
20190039207
2019-02-07

DUST COLLECTOR FOR ANGLE GRINDER

#86
20190030674
2019-01-31

TRIMMING TOOL AND METHOD OF USE

#87
20190015949
2019-01-17

Abrasive disc with universal hole pattern

#88
20190015948
2019-01-17

DUST COLLECTOR FOR AN ANGLE GRINDER

#89
20190001464
2019-01-03

Abrasive article having a non-uniform distribution of openings

#90
20180369987
2018-12-27

Grinding machine

#91
20180339400
2018-11-29

Depth adjustable hub for use with abrasive grinding tool

#92
20180326555
2018-11-15

Dust shroud

#93
20180222011
2018-08-09

Electrical hand-held tool with protective dust cover

#94
20180085884
2018-03-29

Electric grinder with switched reluctance motor

#95
20180056473
2018-03-01

Power tool

#96
20180043493
2018-02-15

Method and automated rover device for surface treatment

#97
20180015588
2018-01-18

Apparatus for surface abrasion

#98
20170252899
2017-09-07

Rotary sanding system

#99
20170165808
2017-06-15

Adaptive dust shield device having zero standoff capability

#100
20170100812
2017-04-13

Smooth Finish Tool

#101
20170100811
2017-04-13

Sanding apparatus

#102
20160288294
2016-10-06

Grinding wheel tool

#103
20160184963
2016-06-30

DUST SHROUD WITH INTERNAL IMPELLER AND ADJUSTABLE MOUNTING MECHANISM

#104
20160158920
2016-06-09

Backing pad for a hand guided polishing or sanding tool and hand guided polishing or sanding tool with such a backing pad

#105
20160151887
2016-06-02

Holding device for a grinding means

#106
20150336238
2015-11-26

Particle separation assembly for power tool

#107
20150328762
2015-11-19

Speed limiting governor of a rotating shaft in air

#108
20150328573
2015-11-19

Angle grinder with air intake filter

#109
20150321319
2015-11-12

TOOL HAVING A ROTATING PROCESSING UNIT

#110
20150314413
2015-11-05

Handheld abrading machine

#111
20150231756
2015-08-20

Handheld abrading machine

#112
20150104998
2015-04-16

Apparatus, system and method for aero-contouring a surface of an aerodynamically functional coating

#113
20150083450
2015-03-26

Battery-operated eccentric sander having an electronically commutated electric motor

#114
20150004887
2015-01-01

Vacuum buffer assembly

#115
20140352155
2014-12-04

HAND-HELD ELECTRIC POWER TOOL WITH A SUCTION ADAPTER

#116
20140141701
2014-05-22

Base for sanding machines, grinding machines or the like

#117
20130340221
2013-12-26

Oscillating descaler and method for descaling a semi-finished metallurgical product

#118
20130260656
2013-10-03

Abrasive article having a non-uniform distribution of openings

#119
20130210325
2013-08-15

Holding body for flexible grinding device and grinding system

#120
20130137348
2013-05-30

Dust collection hood for grinding machine tools

#121
20130137347
2013-05-30

Machine tool providing a large grinding area

#122
20130029571
2013-01-31

Double suction chamber plate

#123
20120315833
2012-12-13

Backing plate unit for a rotary grinding machine

#124
20120276824
2012-11-01

Surface treating apparatus and method

#125
20120184192
2012-07-19

DUST COLLECTION ADAPTER AND POWER TOOL INCLUDING DUST COLLECTION ADAPTER

#126
20120156974
2012-06-21

Surface preparation apparatus

#127
20120122384
2012-05-17

Abrasive disc with universal hole pattern

#128
20120077424
2012-03-29

Angle grinder

#129
20120073141
2012-03-29

Hand-held electric power tool with a suction adapter

#130
20120034856
2012-02-09

Dust box and electric tool with the dust box

#131
20110250828
2011-10-13

Negative pressure dust collection structure for power tools

#132
20110250825
2011-10-13

Tool for removing grout, mortar and the like

#133
20110185869
2011-08-04

Dust collection attachment system for handheld power tools

#134
20110183587
2011-07-28

Ceiling grinder

#135
20110099748
2011-05-05

DUST COLLECTION IN A ROTARY FLOOR FINISHING MACHINE

#136
20110092141
2011-04-21

Dust shroud for a grinder

#137
20110021121
2011-01-27

Angle grinder dust shroud with slideable access hatch

#138
20100323594
2010-12-23

Grinding disc structure

#139
20100285729
2010-11-11

Angle grinder dust shroud with unitary adjustable mounting collar

#140
20100261417
2010-10-14

Hand tool support and dust shroud

#141
20100015900
2010-01-21

PAD FOR MACHINING SURFACES WITH CURVED ASPIRATION CHANNELS

#142
20090298403
2009-12-03

Dust box and electric tool with the dust box

#143
20090270018
2009-10-29

Dust-collection container

#144
20090233527
2009-09-17

Interface pad for use between an abrasive article and a support tool

#145
20090227188
2009-09-10

Vacuum Sander Having a Porous Pad

#146
20090215365
2009-08-27

Sanding tool with pivotally coupled head assembly

#147
20090215364
2009-08-27

Grinding machine with a length-adjustable dust collecting structure

#148
20090181605
2009-07-16

Dust shroud with adjustable mounting mechanism

#149
20090117833
2009-05-07

Floor sanding machine

#150
20090111364
2009-04-30

POWER TOOL HAVING AN ECCENTRIC MASS

#151
20090104860
2009-04-23

PORTABLE POWER TOOL

#152
20090049699
2009-02-26

Protective device for hand-held power tool

#153
20090017738
2009-01-15

Flow medium-driven hand-held power tool

#154
20080233850
2008-09-25

ABRASIVE ARTICLE AND METHOD OF MAKING AND USING THE SAME

#155
20080229672
2008-09-25

Abrasive article and method of making and using the same

#156
20080209739
2008-09-04

Power tool with chips ejecting mechanism

#157
20080194187
2008-08-14

ELASTIC DRIVE BELT ASSEMBLY

#158
20080178479
2008-07-31

Machine tool

#159
20080171501
2008-07-17

Hood plates for handheld grinding tools

#160
20080163492
2008-07-10

Cutting and dust collecting assembly and working machine with such assembly

#161
20080146127
2008-06-19

Trigger assembly for angle grinder

#162
20080146126
2008-06-19

Angle grinder

#163
20080142351
2008-06-19

Angle grinder

#164
20080104936
2008-05-08

Suction device

#165
20080085664
2008-04-10

Sanding tool with pivotally coupled head assembly

#166
20080081546
2008-04-03

DUST VACUUMING ABRASIVE TOOL

#167
20080060827
2008-03-13

Power Tool With Dust Seal

#168
20080045123
2008-02-21

SANDING SYSTEM WITH WATER BASED DUST COLLECTION

#169
20080028568
2008-02-07

Hand-Held Power Tool Driven By A Flow Medium

#170
20080020686
2008-01-24

Electric Hand-Held Power Tool

#171
20070243803
2007-10-18

ABRASIVE TOOL FOR COLLECTING DUST

#172
20070232211
2007-10-04

Perforated sandpaper alignment device

#173
20070232206
2007-10-04

DEVICE AND METHOD FOR EXTRACTION OF DUST FROM A GRINDER

#174
20070178815
2007-08-02

Dust shield and adapter device

#175
20070161344
2007-07-12

Tool independent dust protection apparatus and associated dust protection methods

#176
20070141953
2007-06-21

Grinding apparatus

#177
20070066199
2007-03-22

Abrasive article mounting assembly and methods of making same

#178
20070066197
2007-03-22

Abrasive article and methods of making same

#179
20060276114
2006-12-07

Angle grinder

#180
20060189268
2006-08-24

Grinding disc for grinding machines

#181
20060179985
2006-08-17

Electric hand power tool

#182
20060067798
2006-03-30

Cover device for a power tool

#183
20060046625
2006-03-02

Debris collecting attachment for machine tool

#184
20060040597
2006-02-23

Grinding or polishing arrangement

#185
20060019579
2006-01-26

Non-loading abrasive article

#186
20050287939
2005-12-29

Dustproof grinder

#187
20050287938
2005-12-29

Cutting apparatus with dust discharging

#188
20050277374
2005-12-15

Dust containment device for surfacing machines

#189
20050255798
2005-11-17

Grinding or polishing arrangement

#190
20050233681
2005-10-20

Abrasive element support with self-sucking device and method for removing grinding particles

#191
20050202767
2005-09-15

Dust-collecting container for a hand electric machine tool

#192
20050103172
2005-05-19

Adjustable chip guide for removing part of the chips of a machine tool

#193
20050060836
2005-03-24

Floor finishing and dust collection apparatus

#194
20050058518
2005-03-17

Plate with deflector for machining surfaces

#195
20050003748
2005-01-06

Orbital sander

#196
18099391
2025-01-21

Sander vacuum nozzle attachment

#197
16460124
2022-05-24

Dust removal assembly for use with disc grinder

#198
14804490
2018-01-30

Portable ski and snowboard edge sharpener

#199
13862025
2016-10-11

System and method for dissipating heat from a rotary power tool

#200
13308243
2016-03-01

Surface preparation apparatus