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CPC Subgroup Additional Only
B23H 2300/20

Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits

Full Title

Power source circuits or energization > Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits

1 direct subcode

Child Classifications

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  • B23H 2300/22 Circuits using or taking into account line impedance to shape the discharge pulse

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