Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F16L 9/08

of concrete, cement, or asbestos cement, with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of concrete, cement, or asbestos cement, with or without reinforcement

CPC: of concrete, cement, or asbestos cement, with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

Full Title

Full titles differ between systems:

IPC:

Rigid pipes > of concrete, cement, or asbestos cement, with or without reinforcement

CPC:

Rigid pipes > of concrete, cement, or asbestos cement, with or without reinforcement (F16L9/16 - F16L9/22 take precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

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