the ends of the pipe being interconnected by a flexible sleeve

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Adjustable joints; Joints allowing movement > comprising a flexible connection only > the ends of the pipe being interconnected by a flexible sleeve

CPC:

Adjustable joints; Joints allowing movement (of the quick-acting type F16L37/50; for double-walled or multi-channel pipes or pipe assemblies F16L39/04 ) > comprising a flexible connection only > the ends of the pipe being interconnected by a flexible sleeve

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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F16L 27/108 the sleeve having the form of a bellows with only one corrugation since 1995 +1 CPC IPC+CPC Available in IPC and CPC
F16L 27/11 the sleeve having the form of a bellows with multiple corrugations 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