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PCE
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DIFF Subgroup
F16L 9/12

of plastics with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of plastics with or without reinforcement

CPC: of plastics with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

Full Title

Full titles differ between systems:

IPC:

Rigid pipes > of plastics with or without reinforcement

CPC:

Rigid pipes > of plastics with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • F16L 9/121 CPC only CPC only
  • F16L 9/123 CPC only CPC only
  • F16L 9/125 CPC only CPC only
  • F16L 9/133 the walls consisting of two layers since 1990 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