Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
F16N 21/00

Conduits; Junctions (in general F16L); Fittings for lubrication apertures

Introduced: September 1968

Title

Titles differ between systems:

IPC: Conduits; Junctions; Fittings for lubrication apertures

CPC: Conduits; Junctions (in general F16L); Fittings for lubrication apertures

Full Title

Full titles differ between systems:

IPC:

Conduits; Junctions; Fittings for lubrication apertures

CPC:

Conduits; Junctions (in general F16L); Fittings for lubrication apertures

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • F16N 2021/005 2nd only CPC only CPC only
  • F16N 21/02 Lubricating nipples IPC+CPC Available in IPC and CPC
  • F16N 21/04 Nozzles for connection of lubricating equipment to nipples IPC+CPC Available in IPC and CPC
  • F16N 21/06 Covering members for nipples, conduits or apertures IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639

Top Applicants (CPC)

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