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CPC Main Group
B23H 3/00

Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte

4 direct subcodes

Child Classifications

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  • B23H 3/02 Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits
  • B23H 3/08 Working media
  • B23H 3/10 Supply or regeneration of working media

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