Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B23B 47/26

Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor

Full Title

Constructional features of components specially designed for boring or drilling machines; Accessories therefor (working-spindles, bearing sleeves therefor B23Q1/70; for machine tools in general B23Q) > Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor

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