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CPC Subgroup
B23K 37/0533

External pipe alignment clamps

Full Title

Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass > for holding or positioning work > aligning cylindrical work; Clamping devices therefor > External pipe alignment clamps

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