for assembling or disassembling parts

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes > for assembling or disassembling parts

CPC:

Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation ; Tools or devices therefor so far as not provided for in other classes (hand tools in general B25) > for assembling or disassembling parts

CPC subdivides this area 4x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Child Classifications

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B23P 19/041 CPC only CPC only
B23P 19/042 +2 CPC CPC only CPC only
B23P 19/046 CPC only CPC only
B23P 19/047 CPC only CPC only
B23P 19/048 CPC only CPC only
B23P 19/06 Screw or nut setting or loosening machines +5 CPC IPC+CPC Available in IPC and CPC
B23P 19/08 Machines for placing washers, circlips, or the like on bolts or other members +2 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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