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PCE
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DIFF Subgroup
F16L 13/04

with arrangements preventing overstressing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints > Welded joints > with arrangements preventing overstressing

CPC:

Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ( joints for rigid pipes of plastics F16L47/00) > Welded joints > with arrangements preventing overstressing

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F16L 13/06 with tension-relief of the weld by means of detachable members, e.g. divided tensioning rings, bolts in flanges 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