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PCE
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CPC Subgroup
B23H 7/32

Maintaining desired spacing between electrode and workpiece

Full Title

Processes or apparatus applicable to both electrical discharge machining and electrochemical machining > Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode > Maintaining desired spacing between electrode and workpiece

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