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DIFF Subgroup
B23B 5/46

for turning helical or spiral surfaces (thread cutting B23G)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for turning helical or spiral surfaces

CPC: for turning helical or spiral surfaces (thread cutting B23G)

Full Title

Full titles differ between systems:

IPC:

Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor > for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes > for turning helical or spiral surfaces

CPC:

Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor > for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes > for turning helical or spiral surfaces (thread cutting B23G)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • B23B 5/48 for cutting grooves, e.g. oil grooves of helicoidal shape IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

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