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DIFF Subgroup
F16L 59/12

Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies

Introduced: September 1968

Full Title

Thermal insulation in general > Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2000.

Child Classifications

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  • F16L 59/121 CPC only CPC only
  • F16L 59/123 CPC only CPC only
  • F16L 59/125 Helical spacers since 2000 IPC+CPC Available in IPC and CPC
  • F16L 59/13 Resilient supports since 2000 IPC+CPC Available in IPC and CPC
  • F16L 59/135 Hangers or supports specially adapted for insulated pipes since 2000 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