Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F16L 37/256

the coupling not being coaxial with the pipe

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Couplings of the quick-acting type > in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action > the coupling not being coaxial with the pipe

CPC:

Couplings of the quick-acting type ( radially-binding sleeves F16L17/04, F16L21/06; connecting hoses to rigid members F16L33/00) > in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action > the coupling not being coaxial with the pipe

No child classifications to compare. This is a leaf node in both 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