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PCE
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CPC Subgroup
B23F 15/02

Making gear teeth on wheels of varying radius of operation, e.g. on elliptical wheels

Full Title

Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00 > Making gear teeth on wheels of varying radius of operation, e.g. on elliptical wheels

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