CPC Main Group
B23H 7/00 Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
8 direct subcodes
Child Classifications
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- B23H 7/02 Wire-cutting
- B23H 7/12 Rotating-disc electrodes
- B23H 7/14 Electric circuits specially adapted therefor, e.g. power supply
- B23H 7/22 Electrodes specially adapted therefor or their manufacture (B23H7/08, B23H7/12, B23H9/00 take precedence)
- B23H 7/26 Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
- B23H 7/34 Working media
- B23H 7/36 Supply or regeneration of working media
- B23H 7/38 Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation
Top Applicants
Top 10 applicants by patent filingsfor class B23, 2013–2023, worldwide · Source: EPO PATSTAT
- ITW (ILLINOIS TOOL WORKS) US 3,642
- DISCO CORPORATION JP 3,316
- FANUC JP 3,111
- ROBERT BOSCH DE 2,711
- FANUC 2,163
- GE (GENERAL ELECTRIC COMPANY) US 2,113
- ISCAR IL 1,516
- SIEMENS DE 1,459
- LINCOLN GLOBAL US 1,433
- KOBE STEEL JP 1,423