ClassID:

40755

B23B51/0426 - CPC Classification

Classification description:

Tools for drilling machines for trepanning Drills with centering devices

Sub-classes:
Recent Application in this class:
#1
20260097438
2026-04-09

HOLE CUTTING ACCESSORY FOR POWER TOOL

#2
20260034590
2026-02-05

Cutout-Plug-Easy-Release Hole Saw

#3
20260027629
2026-01-29

HOLE SAW ARBOR ASSEMBLY

#4
20250353084
2025-11-20

HOLE SAW

#5
20250128339
2025-04-24

Hole Saw with Adjustable Cutting Dimension

#6
20250033126
2025-01-30

RETRACTABLE DRILL BIT

#7
20240390992
2024-11-28

Split Hole Saw Bit Device

#8
20240375193
2024-11-14

HOLE SAW

#9
20240278337
2024-08-22

HOLE CUTTING ACCESSORY FOR POWER TOOL

#10
20240246158
2024-07-25

SOFFIT SAW AND EXTENSION

#11
20240217008
2024-07-04

HOLE SAW

#12
20240139834
2024-05-02

Helical tunneling and fixation device

#13
20240100609
2024-03-28

HOLESAW SYSTEM

#14
20230390834
2023-12-07

METHOD AND APPARATUS FOR FORMING A HOLE

#15
20230356306
2023-11-09

RECESS TOOL FOR FLUSH-MOUNT TRIM

#16
20230347425
2023-11-02

HOLE SAW ARBOR ASSEMBLY

#17
20230302551
2023-09-28

HOLE SAW WITH EJECTOR

#18
20230278114
2023-09-07

HOLE SAW

#19
20230182217
2023-06-15

COMBINATION SYSTEM OF FIXED ARBOR HOLE SAWS AND QUICK-CHANGE MANDREL

#20
20230150041
2023-05-18

Dynamicaly configurable arbor assembly apparatus

#21
20230110578
2023-04-13

Hole saw

#22
20230051583
2023-02-16

DEVICE FOR AXIAL DISPLACEMENT OF A HOLE SAW FOR A HAND-HELD DRILL

#23
20220362864
2022-11-17

Method and apparatus for forming a hole

#24
20220305569
2022-09-29

HOLE SAW GUIDE

#25
20220297205
2022-09-22

Hole cutting accessory for power tool

#26
20220250170
2022-08-11

DRILLING AID

#27
20220241874
2022-08-04

Method for removing a portion of a structure

#28
20220126380
2022-04-28

Hole saw with hole enlargement guide and support piece detachable therefrom

#29
20220097150
2022-03-31

HOLE SAW ARBOR ASSEMBLY

#30
20210346966
2021-11-11

Hole cutter having plug ejection and method thereof

#31
20210245272
2021-08-12

Wall magnet anchor system

#32
20210154750
2021-05-27

Hole saw arbor

#33
20210069802
2021-03-11

Fixed-type rotary cutter

#34
20210060663
2021-03-04

System and method for connecting a compression-type coupling to a coated conduit

#35
20210023631
2021-01-28

Long hole saw for composite material insulation panel

#36
20200338648
2020-10-29

Systems and methods of a guide for widening an existing drilled hole

#37
20200324349
2020-10-15

Hole saw

#38
20200290132
2020-09-17

Apparatus and Methods for Improved Hole Saw Drilling

#39
20200282474
2020-09-10

Tool attachment for a power tool

#40
20200108452
2020-04-09

Hole saw arbor assembly

#41
20200086395
2020-03-19

Quick change tool

#42
20190358713
2019-11-28

Cutting device having a pin engaging ramp

#43
20190255625
2019-08-22

HOLE SAW GUIDE

#44
20190193173
2019-06-27

Hole saw assembly

#45
20190193172
2019-06-27

Wood coring drill bit

#46
20190168314
2019-06-06

HOLESAW AND PILOT BIT WITH THREADED TIP

#47
20190151959
2019-05-23

HOLE SAW AND COMPONENT THEREOF

#48
20190111501
2019-04-18

Pilot pin for drill press

#49
20190091776
2019-03-28

HOLE SAW ALIGNMENT GUIDE

#50
20190078342
2019-03-14

DRYWALL REPAIR KIT AND METHOD

#51
20190039262
2019-02-07

HOLE SAWS

#52
20190015906
2019-01-17

Self-centering drill bit

#53
20180354158
2018-12-13

SYSTEM, METHOD, CORE DRILL BIT AND CORE DRILLING MACHINE FOR HOLE DRILLING IN AN OBJECT

#54
20180257153
2018-09-13

Keyhole saw

#55
20180236567
2018-08-23

Hole saw guide

#56
20180218751
2018-08-02

Laser destruction system for hard drives

#57
20180193926
2018-07-12

Hole saw

#58
20180117683
2018-05-03

Device for ensuring proper location of a cutout in a sheet of construction material

#59
20180099338
2018-04-12

Pilot pin for drill press

#60
20180085833
2018-03-29

Hole saw arbor assembly

#61
20180051476
2018-02-22

Drywall repair kit and method

#62
20180021864
2018-01-25

Circular hole cutting tool and method of use

#63
20170341161
2017-11-30

System for releasable coupling of a hole saw to a drill arbor

#64
20170259351
2017-09-14

Center locator for hole cutter

#65
20170252834
2017-09-07

HOLE-SAW

#66
20170120347
2017-05-04

HOLESAW AND PILOT BIT WITH THREADED TIP

#67
20170054281
2017-02-23

Tubular parts and embeddable electrical boxes

#68
20170043416
2017-02-16

SELF-CLEANING MANDREL ASSEMBLY AND DRILL BIT

#69
20160336027
2016-11-17

Hard drive data destroying device

#70
20160279717
2016-09-29

Quick-release arbor for hole saw

#71
20160279716
2016-09-29

Hole saw guide device

#72
20160273235
2016-09-22

DRYWALL REPAIR KIT AND METHOD

#73
20160250693
2016-09-01

Pilot pin for drill press

#74
20160151873
2016-06-02

Positioning aid for a core drilling machine

#75
20160114410
2016-04-28

Hole saw assembly

#76
20160067794
2016-03-10

Quick change system for rotary tools

#77
20160011089
2016-01-14

Strength testing of a flatwise material coupon

#78
20160001380
2016-01-07

Safety drilling tool

#79
20150352645
2015-12-10

Hole-saw

#80
20150336183
2015-11-26

BORE ADAPTOR

#81
20150190866
2015-07-09

Hole saw

#82
20150071721
2015-03-12

Arbor assembly for use with a cutting device, such as a cutter or hole saw

#83
20140369775
2014-12-18

Quick-change attachment configuration for a hole saw

#84
20140308084
2014-10-16

DOOR HARDWARE OPENING ENLARGEMENT TOOL

#85
20140263216
2014-09-18

Hard drive data destroying device

#86
20140255117
2014-09-11

Cutter assembly

#87
20140219736
2014-08-07

Hole Saw and Method

#88
20130209187
2013-08-15

Hole saw and guide

#89
20120275874
2012-11-01

Drilling machine, in particular hand-held core drilling machine

#90
20120237306
2012-09-20

Hole saw

#91
20120183366
2012-07-19

COMBINATION HOLE SAW ARBOR AND ADJUSTABLE HOLE CUTTER SHAFT

#92
20120163933
2012-06-28

Core drilling machine having an interchangeable drill bit

#93
20120148359
2012-06-14

Drilling tool

#94
20120125171
2012-05-24

BORER FOR AN OSCILLATING TOOL

#95
20120009032
2012-01-12

Hole Saw Plug Ejector and Method

#96
20110209323
2011-09-01

Drill press cutter

#97
20110103907
2011-05-05

Coring tool alignment assembly

#98
20110033257
2011-02-10

HOLE SAW WITH TAPERED PILOT BIT

#99
20110033256
2011-02-10

Annular Sawing Structure

#100
20100322730
2010-12-23

Hole saw assembly

#101
20100303567
2010-12-02

Guide member for a hole saw

#102
20100284754
2010-11-11

Fitting removal apparatus and method of using same

#103
20100278601
2010-11-04

Cutting apparatus

#104
20100127465
2010-05-27

Shank attachment device

#105
20100067995
2010-03-18

Hole saw assembly including drive shafts supported by a rotatable annulus

#106
20090326539
2009-12-31

TREPAN DRILL

#107
20090169317
2009-07-02

Hole Saw Holder

#108
20090169316
2009-07-02

Coring tool alignment system

#109
20090116917
2009-05-07

Large Holesaw Mandrel Assembly

#110
20090044674
2009-02-19

Cutting tool

#111
20090035079
2009-02-05

Removable countersink bit

#112
20080298915
2008-12-04

Core drill

#113
20080273934
2008-11-06

Circular Cutter Having Improved Centering Characteristics

#114
20080260480
2008-10-23

Hole saw assembly

#115
20080181738
2008-07-31

Stall saw improvement

#116
20080179105
2008-07-31

Hole coring system with lever arm

#117
20080118315
2008-05-22

Large holesaw mandrel assembly

#118
20080075548
2008-03-27

SELF-CENTERING TOOL

#119
20080019785
2008-01-24

Hole saw assembly

#120
20080014035
2008-01-17

Clamping Tool And Hole Saw Apparatus

#121
20070297867
2007-12-27

Pilot Drill with Pilot Drill and Coupon Retainers and Hot Tapping Machine Using the Same

#122
20070269280
2007-11-22

Universal quick connect system for a hole saw

#123
20070258780
2007-11-08

Hole saw

#124
20070231090
2007-10-04

Hole Saw Alignment Rod and Method of Using Same

#125
20070172325
2007-07-26

Forstner drill bit

#126
20070166116
2007-07-19

HOLE CUTTER AND GUIDE

#127
20070160434
2007-07-12

Tool-change arbor system

#128
20070138789
2007-06-21

Leadthrough for a constructional component

#129
20070104548
2007-05-10

Hole saw having a drill bit with a pilot tip

#130
20070071565
2007-03-29

HOLE SAW MANDREL

#131
20070071564
2007-03-29

Hole cutter

#132
20070041800
2007-02-22

Door lock installation kit

#133
20070020056
2007-01-25

Hole saw replacement blade rings

#134
20070003386
2007-01-04

Hole saw assembly

#135
20060275091
2006-12-07

Quick stock remover

#136
20060251482
2006-11-09

Blade edge structure for core drill

#137
20060210366
2006-09-21

Workpiece removal device for a hole saw and plug cutter

#138
20060188349
2006-08-24

Pilot drill with coupon retainer and hot tapping machine using the same

#139
20060130629
2006-06-22

Hole saw blade

#140
20060120815
2006-06-08

Self-centering tool

#141
20050244238
2005-11-03

Hole resizing arbor for power drills

#142
20050201838
2005-09-15

Arbor apparatus for rotary tools

#143
20050166727
2005-08-04

Method for indexing a rotating tool and a tool for machining

#144
20050147465
2005-07-07

Methods for the assembly of insulating panels

#145
20050135886
2005-06-23

ARBOR ARRANGEMENT

#146
20050105981
2005-05-19

Hole cutter and method for producing

#147
20050055927
2005-03-17

Dowels and methods for the assembly of insulating panels

#148
20050025591
2005-02-03

Arbor for hole cutter and related method of use

#149
15990756
2019-05-07

Heavy equipment concrete core drill attachment

#150
15946024
2019-06-18

Wall repair plug system

#151
15900813
2019-03-19

Hole saw with properties to allow for easy removal of sawed-off materials