Details of tools for drilling machines

Filing statistics

CPC B23B 2251/00 belongs to the parent subclass B23B, which recorded 66,933 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,756 in 2013 to 4,707 in 2023 (-1%), peaking at 7,816 applications in 2018. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,642 applications), DISCO CORPORATION (3,316 applications) and FANUC (3,111 applications).

Source: EPO PATSTAT, worldwide filings

26 direct subcodes

Child Classifications

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B23B 2251/02 Connections between shanks and removable cutting heads
B23B 2251/04 Angles, e.g. cutting angles
B23B 2251/08 Side or plan views of cutting edges
B23B 2251/12 Cross sectional views of the cutting edges
B23B 2251/14 Configuration of the cutting part, i.e. the main cutting edges
B23B 2251/16 New cutting edge by fracture, wear, or recycling
B23B 2251/18 Configuration of the drill point
B23B 2251/20 Number of cutting edges
B23B 2251/24 Overall form of drilling tools
B23B 2251/28 Arrangement of teeth
B23B 2251/40 Flutes, i.e. chip conveying grooves
B23B 2251/44 Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
B23B 2251/46 Drills having a centre free from cutting edges or with recessed cutting edges
B23B 2251/48 Chip breakers
B23B 2251/50 Drilling tools comprising cutting inserts
B23B 2251/51 Drills with means for feeding cable
B23B 2251/52 Depth indicators
B23B 2251/56 Guiding pads
B23B 2251/58 Guiding rolls
B23B 2251/60 Drills with pilots

Top Applicants

Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT

ITW (ILLINOIS TOOL WORKS) US 3,642
DISCO CORPORATION JP 3,316
FANUC JP 3,111
ROBERT BOSCH DE 2,711
FANUC 2,163
GE (GENERAL ELECTRIC COMPANY) US 2,113
ISCAR IL 1,516
SIEMENS DE 1,459
LINCOLN GLOBAL US 1,433
KOBE STEEL JP 1,423