by separate parts (; key-type connection F16B3/00; locking screws or nuts against rotation by such means F16B39/04)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by separate parts

CPC: by separate parts (; key-type connection F16B3/00; locking screws or nuts against rotation by such means F16B39/04)

Full Title

Full titles differ between systems:

IPC:

Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread > by separate parts

CPC:

Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it (riveted or deformable spigots F16B19/04; for gudgeon pins F16J1/18); Stud-and-socket releasable fastenings > by separate parts (; key-type connection F16B3/00; locking screws or nuts against rotation by such means F16B39/04)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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F16B 21/12 with locking-pins or split-pins thrust into holes +1 CPC IPC+CPC Available in IPC and CPC
F16B 21/16 with grooves or notches in the pin or shaft +1 CPC IPC+CPC Available in IPC and CPC
F16B 21/20 for bolts or shafts without holes, grooves, or notches for locking members +1 CPC 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