ClassID:

40751

B23B51/04 - CPC Classification

Classification description:

Tools for drilling machines for trepanning Drills

Sub-classes:
Recent Application in this class:
#1
20250326039
2025-10-23

Tool For Piercing A PVC Water Main

#2
20250277410
2025-09-04

WEEP-HOLE DRILLING

#3
20250073953
2025-03-06

Two-Hole Core Drilling Machine

#4
20250041952
2025-02-06

Dust extracting device for a tool bit

#5
20240416433
2024-12-19

Drill bit with improved removal of the drill core

#6
20240383049
2024-11-21

Hole Saw with Large Carbide Overhang

#7
20240359240
2024-10-31

Hole Saw with Circular Sidewall Openings

#8
20240316746
2024-09-26

POWER TOOL AND A TRANSMISSION THEREFOR

#9
20240293874
2024-09-05

DRAIN ASSEMBLY REMOVAL GUIDE AND METHOD THEREOF

#10
20240286205
2024-08-29

Multi-Hole Core Drilling Machine

#11
20240253133
2024-08-01

Drill Bit and Associated Method of Making a Drill Bit

#12
20240209693
2024-06-27

Weep-hole drilling

#13
20240165719
2024-05-23

ARRANGEMENT COMPOSED OF AT LEAST ONE DRILL BIT AND AT LEAST ONE LIMIT STOP

#14
20240116117
2024-04-11

METHOD FOR RELEASING A DRILL CORE FROM A DRILL BIT OF A CORE DRILLING DEVICE AND CORE DRILLING DEVICE

#15
20240083066
2024-03-14

SELF-FEED DRILL BIT

#16
20240075539
2024-03-07

SHELL CUTTER DEPTH STOP

#17
20240024956
2024-01-25

LOW-TEMPERATURE AIRFLOW FOLLOW-UP AUXILIARY SAND DISCHARGE APPARATUS AND METHOD FOR CUTTING FROZEN SAND MOLD

#18
20240017335
2024-01-18

HOLE SAW

#19
20240009743
2024-01-11

HOLE SAW AND METHOD OF MANUFACTURING A HOLE SAW

#20
20230390833
2023-12-07

ANNULAR HOLE CUTTER

#21
20230347423
2023-11-02

BODY FOR GUN DRILL

#22
20230302619
2023-09-28

TOOL BIT

#23
20230272675
2023-08-31

Weep-hole drilling

#24
20230249266
2023-08-10

Carbide tip hole saw

#25
20230167700
2023-06-01

Four-Hole Core Drilling Machine

#26
20230166340
2023-06-01

RFID ARRANGEMENTS FOR ROTATABLE WORK TOOLS

#27
20230112552
2023-04-13

HOLE CUTTER WITH CHIP EGRESS APERTURE

#28
20230051583
2023-02-16

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

#29
20220274190
2022-09-01

Coring device for cutting holes through a structure

#30
20220219306
2022-07-14

TOOL BIT

#31
20220143716
2022-05-12

Device for holes and trepans cutting

#32
20210347089
2021-11-11

Weep-hole drilling

#33
20210245271
2021-08-12

Hole saw

#34
20210213579
2021-07-15

Electric tool

#35
20210187630
2021-06-24

Core cutter and cutting method using the same

#36
20210146455
2021-05-20

Hole saw with large carbide overhang

#37
20210086272
2021-03-25

Hole saw with circular sidewall openings

#38
20210078119
2021-03-18

Method for producing a cut section for a drill bit

#39
20210069802
2021-03-11

Fixed-type rotary cutter

#40
20210060663
2021-03-04

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

#41
20210031321
2021-02-04

Suction device

#42
20210008649
2021-01-14

Hole cutter with chip egress aperture

#43
20200391306
2020-12-17

Core drill bit

#44
20200223047
2020-07-16

Apparatus for limiting equipment burden when penetrating a mixed or composite material structure including metal utilizing a hammer-drill

#45
20190358720
2019-11-28

Saw blade quick release mechanism for sawing tool and the sawing tool using the same

#46
20190352926
2019-11-21

Cable railing systems

#47
20190224761
2019-07-25

Cutting tool

#48
20190193172
2019-06-27

Wood coring drill bit

#49
20190160554
2019-05-30

Hole cutter with chip egress aperture

#50
20190076936
2019-03-14

Auger bit with carbide tip

#51
20180154458
2018-06-07

Targeting system for portable drill press

#52
20180029141
2018-02-01

Insert, drill, and method of manufacturing machined product using the same

#53
20180001397
2018-01-04

Hole cutter with chip egress aperture

#54
20180001396
2018-01-04

DUST VACUUMING DRILL DEVICE WITH AN INTERNAL DUST PASSAGEWAY AND METHOD FOR PRODUCING THE SAME

#55
20180001395
2018-01-04

DUST VACUUMING DRILL DEVICE WITH AN INTERNAL DUST PASSAGEWAY AND METHOD FOR PRODUCING THE SAME

#56
20170312831
2017-11-02

Wood-drill adapter systems

#57
20170281198
2017-10-05

System, apparatus, and method for grafting tissue

#58
20170259352
2017-09-14

Method of machining workpiece and boring drill

#59
20170259351
2017-09-14

Center locator for hole cutter

#60
20170001252
2017-01-05

Square hole saw

#61
20160361794
2016-12-15

Support pad for a drill head and method for designing and manufacturing a support pad

#62
20160288222
2016-10-06

Orbital cutting tool having cutting edges with axially varying circumferential spacing

#63
20160158851
2016-06-09

Iron-Cutting Drill

#64
20160082525
2016-03-24

MULTI-EDGE DRILL BIT

#65
20150217383
2015-08-06

Single-lip drill

#66
20150190146
2015-07-09

Method for manufacturing disposable rotary cutting tools and disposable rotary tool for dental or medical applications

#67
20150165530
2015-06-18

Tool layout for making boreholes in materials such as fiber composite materials

#68
20140140779
2014-05-22

Mounting tool system

#69
20140056661
2014-02-27

Support pad for a drill head and method for designing and manufacturing a support pad

#70
20130309029
2013-11-21

Single-lip drill

#71
20130028676
2013-01-31

Deep hole drill comprising a coating

#72
20110232073
2011-09-29

Method for manufacturing disposable rotary cutting tools for dental or medical applications

#73
20110217134
2011-09-08

ROTATING SHAFT SAW

#74
20110217133
2011-09-08

Fast chip removal hole saw

#75
20110170971
2011-07-14

Hole cutter with chip egress aperture

#76
20110170967
2011-07-14

Hole cutter with chip egress aperture

#77
20110150589
2011-06-23

Drill

#78
20100226728
2010-09-09

Core cutter

#79
20090208903
2009-08-20

Method for manufacturing disposable rotary cutting tools and disposable rotary tool for dental or medical applications

#80
20090208299
2009-08-20

Disposable rotary tool for dental or medical applications

#81
20090110501
2009-04-30

Cutting tool

#82
20080075548
2008-03-27

SELF-CENTERING TOOL

#83
20070065243
2007-03-22

Deep hole drill

#84
20070059110
2007-03-15

Tool holder assembly for multifunction machine and adapter for the same

#85
20060287116
2006-12-21

Drive shaft coupling

#86
20060260439
2006-11-23

Holder for a cutting tool for metalworking and a method for the production of a holder for a cutting tool

#87
20060120815
2006-06-08

Self-centering tool

#88
20060008771
2006-01-12

Rotary tool for dental or medical applications

#89
20050244236
2005-11-03

Deep hole drill

#90
20050002744
2005-01-06

Cutting tool for metal working as well as method in the production of cutting tools

#91
15900813
2019-03-19

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

#92
15482545
2017-09-05

Quick release hole saw