DIFF Subgroup
B23D 1/20 with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
Introduced: September 1968
Full Title
Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only > with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B23D 1/22 for planing ingots or the like (scrubbing or peeling ingots by milling B23C3/14) IPC+CPC Available in IPC and CPC
- B23D 1/26 for planing edges or ridges or cutting grooves (cutting helical grooves B23D5/02) IPC+CPC Available in IPC and CPC
- B23D 1/28 in which the tool or workpiece is fed otherwise than in a straight line, e.g. for planing profiled stock 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