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Search for IPC and CPC classification codes or keywords
CPC Subgroup
B23H 7/20

for program control, e.g. adaptive

Full Title

Processes or apparatus applicable to both electrical discharge machining and electrochemical machining > Electric circuits specially adapted therefor, e.g. power supply > for program control, e.g. adaptive

Top Applicants

Top 10 applicants by patent filingsfor 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