Drilling machines with a plurality of working-spindles; Drilling automatons

Introduced: September 1968

Last revised: January 2006

Full Title

General-purpose boring or drilling machines or devices; Sets of boring or drilling machines > Drilling machines with a plurality of working-spindles; Drilling automatons

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Subclass:: TURNING; BORING

4 direct subcodes

Child Classifications

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B23B 39/18 Setting work or tool carrier along a straight index line
B23B 39/2 Setting work or tool carrier along a circular index line; Turret head drilling machines
B23B 39/22 with working-spindles in opposite headstocks
B23B 39/24 designed for program control

Top Applicants

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

ITW (ILLINOIS TOOL WORKS) US 3,407
FANUC JP 3,120
DISCO ABRASIVE SYSTEM 2,777
HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
ROBERT BOSCH DE 2,468
FANUC 2,273
DISCO CORPORATION JP 2,267
GE (GENERAL ELECTRIC COMPANY) US 1,611
CHINESE ACADEMY OF SCIENCES 1,534
ISCAR IL 1,499