ClassID:

40749

B23B51/009 - CPC Classification

Classification description:

Tools for drilling machines Stepped drills

Recent Application in this class:
#1
20260070132
2026-03-12

MULTI-STEP DRILL WITH ASYMMETRIC STEP PROFILES

#2
20250381604
2025-12-18

STEP DRILL BIT

#3
20250289065
2025-09-18

Huntsman Bit

#4
20250262676
2025-08-21

MULTI-STEP DRILL WITH ASYMMETRIC STEP PROFILES

#5
20250256338
2025-08-14

DRILL BIT

#6
20250100056
2025-03-27

STEP DRILL

#7
20250050431
2025-02-13

MINI POCKET HOLE JIG SYSTEM

#8
20250025945
2025-01-23

ACCESSORY TOOL

#9
20240393752
2024-11-28

AUTOMATIC STEP BIT DETECTION

#10
20240375195
2024-11-14

CUTTING TOOL HAVING A MULTIPART CUTTING HEAD

#11
20240375190
2024-11-14

STEP DRILL BIT AND METHOD FOR DRILLING A WORKPIECE BY USING A STEP DRILL BIT

#12
20240198436
2024-06-20

MULTI-GROOVE PAGODA DRILL BIT

#13
20240082929
2024-03-14

TWIST DRILL WITH MULTI-STEP DRILL POINT

#14
20240066610
2024-02-29

Step drill bit and method for drilling a workpiece by using a step drill bit

#15
20240051040
2024-02-15

STEP DRILL BIT

#16
20240051039
2024-02-15

DRILL BIT WITH MULTI-STEPPED TIP

#17
20230347422
2023-11-02

ACCESSORY TOOLS

#18
20230302550
2023-09-28

STEP DRILL BIT

#19
20230278113
2023-09-07

STEP DRILL BIT

#20
20230226619
2023-07-20

DRILL

#21
20230173591
2023-06-08

Mini pocket hole jig system

#22
20230054585
2023-02-23

DRILLING TOOL INCLUDING A STEP DRILL BIT

#23
20220371105
2022-11-24

STEP DRILL BITS

#24
20220362863
2022-11-17

Spiral step twist drill bit

#25
20220339714
2022-10-27

TWIST DRILL BIT HAVING A CUTTING TIP WITH A STEPPED STRUCTURE

#26
20220314340
2022-10-06

Machining tool

#27
20220288702
2022-09-15

ROTARY TOOL AND METHOD FOR MANUFACTURING MACHINED PRODUCT

#28
20220134449
2022-05-05

Drill bit comprising a centering tip

#29
20210339322
2021-11-04

Tools and methods for forming aligned holes from near full-sized holes

#30
20210316375
2021-10-14

Step drill bit

#31
20210240145
2021-08-05

Automatic step bit detection

#32
20210229189
2021-07-29

Step drill and manufacturing method for step drill

#33
20210197295
2021-07-01

Drilling tool assembly including a step drill bit

#34
20210170502
2021-06-10

Accessory tool

#35
20210138560
2021-05-13

Mini pocket hole jig system

#36
20210060662
2021-03-04

Twist drill

#37
20210016370
2021-01-21

Minimum quantity lubrication multidiameter cutting tool oil delivery

#38
20200384552
2020-12-10

Rotary tool

#39
20200324347
2020-10-15

Step drill

#40
20200316694
2020-10-08

Stepped drill bit with alternately sharpened edges to clean-out obscured fastener openings in cross laminated timber joints

#41
20200223047
2020-07-16

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

#42
20200222994
2020-07-16

STEP DRILL BIT

#43
20200094331
2020-03-26

Twist drill

#44
20190366449
2019-12-05

Rotary tool and method for manufacturing machined product

#45
20190338770
2019-11-07

Method for Producing a Housing of a Screw Compressor

#46
20190337059
2019-11-07

Multidiameter cutting tool having balanced minimum quantity lubrication flow and method of manufacturing a multidiameter cutting tool

#47
20190329331
2019-10-31

Step drill bit

#48
20190314905
2019-10-17

Accessory tool

#49
20190224759
2019-07-25

Step drill

#50
20190143422
2019-05-16

Step drill bit

#51
20190118270
2019-04-25

Device for opening connection to lined pipe

#52
20190039151
2019-02-07

Cutting and deburring tool

#53
20190030620
2019-01-31

Step bit

#54
20190022768
2019-01-24

Device for opening connection to lined pipe

#55
20180257150
2018-09-13

Sawtooth structure with reversed cutting function and its drill series

#56
20180147641
2018-05-31

Drill and method of manufacturing machined product

#57
20170326651
2017-11-16

Step drill bit

#58
20170312935
2017-11-02

MULTI-BLADE TYPE WOODWORKING BIT

#59
20170259350
2017-09-14

Step drill

#60
20170216945
2017-08-03

Drilling tool, in particular reamer

#61
20170165766
2017-06-15

Accessory tool

#62
20170129022
2017-05-11

Step drill bit with variable helical flute

#63
20170113283
2017-04-27

Drilling tool and method for producing drill holes

#64
20170080501
2017-03-23

Drilling system and methods for deep hole drilling

#65
20170072550
2017-03-16

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

#66
20170056981
2017-03-02

Drill and method of manufacturing drilled product

#67
20170021433
2017-01-26

Bottom cutting step up reamer

#68
20160346846
2016-12-01

Drill and method of drilling a hole

#69
20160228954
2016-08-11

Tool and method for machining fiber-reinforced materials

#70
20160151841
2016-06-02

TWIST DRILL BIT FOR DRILLING COMPOSITE MATERIALS

#71
20160136739
2016-05-19

Tool accommodating replaceable blade

#72
20160089734
2016-03-31

Power tool having rotary input control

#73
20160001379
2016-01-07

Drill head

#74
20150266106
2015-09-24

Rotationally driven multi-bevel step tool

#75
20150202696
2015-07-23

Systems and methods for forming an opening in a stack

#76
20150093205
2015-04-02

Drill

#77
20140369776
2014-12-18

Step drill

#78
20140363249
2014-12-11

Drill

#79
20140363244
2014-12-11

Step drill bit

#80
20140348605
2014-11-27

DRILLING TOOL FOR COMPOSITE MATERIAL

#81
20140086697
2014-03-27

Drill and boring device using same

#82
20140023445
2014-01-23

Power tool accessory

#83
20130302100
2013-11-14

ROTATIONALLY DRIVEN MULTI-BEVEL STEP TOOL

#84
20130189044
2013-07-25

Step drill for wood

#85
20130136552
2013-05-30

Drill and method of manufacturing machined product

#86
20130108381
2013-05-02

Rotary tool and method of producing

#87
20120325056
2012-12-27

Damaged bolt and screw removing devices

#88
20120321403
2012-12-20

Drill bit

#89
20120288340
2012-11-15

Damaged bolt and screw removing devices

#90
20120251253
2012-10-04

Cutting tool

#91
20120207557
2012-08-16

Step drill bit

#92
20120195704
2012-08-02

DRILL BIT

#93
20120082523
2012-04-05

ROTATIONALLY DRIVEN MULTI-BEVEL STEP TOOL

#94
20110211921
2011-09-01

Coupler for a quick change insert rotary cutting tool

#95
20110038679
2011-02-17

Adjustable step drill bit

#96
20100254779
2010-10-07

Solid step drill

#97
20100221078
2010-09-02

Drilling tool and method for drilling

#98
20100037734
2010-02-18

Damaged bolt and screw removing devices

#99
20090271970
2009-11-05

Panel mounting clip

#100
20090183603
2009-07-23

Damaged bolt and screw removing devices

#101
20080166195
2008-07-10

Spiral drill bit and method of forming same

#102
20080080940
2008-04-03

Drilling tool, a method for drilling a hole and a use of a drilling tool

#103
20080047320
2008-02-28

Device and method for sequentially cold working and reaming a hole

#104
20080029311
2008-02-07

UNIBIT WITH REPLACEMENT BLADE

#105
20080014048
2008-01-17

ANCHORING DRILL BIT, SYSTEM AND METHOD OF ANCHORING

#106
20070264094
2007-11-15

Unibit with replacement blade

#107
20070028434
2007-02-08

Tool and method for fine machining work pieces

#108
20070020057
2007-01-25

Drill bit with multiple stepped cutting edges

#109
20060210369
2006-09-21

Drilling tool for chip removing machining

#110
20060101949
2006-05-18

Damaged bolt and screw removing devices

#111
20060093448
2006-05-04

Drills

#112
20060090611
2006-05-04

Panel mounting clip

#113
20060056929
2006-03-16

Drilling tool for cutting cast materials

#114
20060037440
2006-02-23

Damaged bolt and screw removing devices

#115
20050098358
2005-05-12

Anchoring drill bit, system and method of anchoring

#116
18391429
2025-04-08

Twist drill

#117
18095119
2024-01-09

Twist drill

#118
17321373
2023-01-17

Twist drill