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CPC Subgroup
F16D 1/02

for connecting two abutting shafts or the like

Full Title

Couplings for rigidly connecting two coaxial shafts or other movable machine elements (attachment of wheels to axles for railway carriages B60B; for attachment of cranks to their shafts F16C3/10) > for connecting two abutting shafts or the like

Filing statistics

CPC F16D 1/02 belongs to the parent subclass F16D, which recorded 116,166 patent applications worldwide between 2013 and 2023. Annual filings declined from 9,380 in 2013 to 7,255 in 2023 (-23%), peaking at 13,228 applications in 2017. The most active applicants in class F16 are SCHAEFFLER TECHNOLOGIES & COMPANY (22,817 applications), ZAHNRADFABRIK FRIEDRICHSHAFEN (10,523 applications) and HYUNDAI MOTOR COMPANY (7,933 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • F16D 1/027 non-disconnectable, e.g. involving gluing, welding or the like
  • F16D 1/033 by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges

Top Applicants

Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
  3. HYUNDAI MOTOR COMPANY KR 7,933
  4. ROBERT BOSCH DE 7,059
  5. KIA MOTORS CORPORATION KR 4,867
  6. SKF SE 4,729
  7. TOYOTA MOTOR CORPORATION JP 4,111
  8. FORD GLOBAL TECHNOLOGIES US 3,838
  9. GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
  10. TOYOTA MOTOR CORPORATION 3,499