ClassID:

40741

B23B51/0018 - CPC Classification

Classification description:

Tools for drilling machines Drills for enlarging a hole

Sub-classes:
Recent Application in this class:
#1
20250303479
2025-10-02

BODY, GUIDE PAD, AND HOLE MACHINING TOOL

#2
20250189283
2025-06-12

CASE LENGTH TRIMMER (CLT) WITH MICRO-ADJUSTMENT TOOL AND METHOD OF USING SAME

#3
20240173780
2024-05-30

DEVICE FOR CUTTING AND/OR BORING OUT DEBILITATED AND/OR BULGING PIPE LINER, AND METHOD OF MAKING AND USING SAME

#4
20240024963
2024-01-25

METHOD OF MACHINING HOLES AND CHAMFERS IN CERAMIC MATRIX COMPOSITES

#5
20230398610
2023-12-14

SYSTEM AND METHOD FOR DRILLING A HOLE FOR A COUNTERSINK FASTENER

#6
20220080515
2022-03-17

Cutting tool

#7
20210291281
2021-09-23

Systems and methods for forming tapered holes in workpieces

#8
20210031276
2021-02-04

Drilling device for enlarged-diameter hole

#9
20200338648
2020-10-29

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

#10
20200246881
2020-08-06

Drilling tool and method for producing a drilled hole

#11
20200156164
2020-05-21

HOLE SAW INSERT ADAPTER FOR ACCURATELY RE-CUTTING HOLE DIAMETERS

#12
20200108456
2020-04-09

Methods for cutting aligned full size holes

#13
20180369932
2018-12-27

Apparatus and method for enlarging inner diameter of injector for reactor

#14
20180339347
2018-11-29

Tool for roughening a borehole surface

#15
20180272439
2018-09-27

Tool for roughening a borehole surface

#16
20170259351
2017-09-14

Center locator for hole cutter

#17
20170021433
2017-01-26

Bottom cutting step up reamer

#18
20160023290
2016-01-28

Boring tool, particularly a reamer

#19
20150298218
2015-10-22

Reamer

#20
20150202696
2015-07-23

Systems and methods for forming an opening in a stack

#21
20150056032
2015-02-26

Precessional drilling and reaming

#22
20140308084
2014-10-16

DOOR HARDWARE OPENING ENLARGEMENT TOOL

#23
20140212234
2014-07-31

Drill and method for forming hole

#24
20130287510
2013-10-31

Installation systems and methods for installing an object

#25
20110110738
2011-05-12

Method and device for the production of bores

#26
20090014214
2009-01-15

Profiling element

#27
20080080940
2008-04-03

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

#28
20060157284
2006-07-20

Method and device for the production of bores

#29
20060037786
2006-02-23

Drill having construction suitable for enlarging previously formed hole