specially adapted for supporting a number of parallel pipes at intervals

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets > specially adapted for supporting a number of parallel pipes at intervals

CPC:

Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets (anchors for holding pipes on or under the ground F16L1/06; noise absorbers in the form of specially adapted hangers or supports F16L55/035; arrangements specially adapted for supporting insulated bodies F16L59/12) > specially adapted for supporting a number of parallel pipes at intervals

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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F16L 3/221 CPC only CPC only
F16L 3/222 CPC only CPC only
F16L 3/223 each support having one transverse base for supporting the pipes (F16L3/23, F16L3/237 take precedence) since 1995 +1 CPC IPC+CPC Available in IPC and CPC
F16L 3/23 for a bundle of pipes or a plurality of pipes placed side by side in contact with each other (F16L3/237 takes precedence) since 1995 IPC+CPC Available in IPC and CPC
F16L 3/237 for two pipes since 1995 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
TOYOTA MOTOR CORPORATION 7,215
HYUNDAI MOTOR COMPANY KR 6,846
ROBERT BOSCH DE 6,106
NTN CORPORATION 5,305
SKF SE 4,219
KIA MOTORS CORPORATION KR 3,852
NSK 3,850
HONDA MOTOR COMPANY 3,639

Top Applicants (CPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
HYUNDAI MOTOR COMPANY KR 7,933
ROBERT BOSCH DE 7,059
KIA MOTORS CORPORATION KR 4,867
SKF SE 4,729
TOYOTA MOTOR CORPORATION JP 4,111
FORD GLOBAL TECHNOLOGIES US 3,838
GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
TOYOTA MOTOR CORPORATION 3,499