Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals (B61L11/00 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals

CPC: Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals (B61L11/00 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals

CPC:

Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals (B61L11/00 takes precedence)

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

Child Classifications

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B61L 5/02 Mechanical devices for operating points or scotch-blocks +2 CPC IPC+CPC Available in IPC and CPC
B61L 5/04 Fluid-pressure devices for operating points or scotch-blocks +1 CPC IPC+CPC Available in IPC and CPC
B61L 5/06 Electric devices for operating points or scotch-blocks +3 CPC IPC+CPC Available in IPC and CPC
B61L 5/08 Underground actuating arrangements, e.g. for tramways IPC+CPC Available in IPC and CPC
B61L 5/10 Locking mechanisms for points; Means for indicating the setting of points +3 CPC IPC+CPC Available in IPC and CPC
B61L 5/12 Visible signals +1 CPC IPC+CPC Available in IPC and CPC
B61L 5/20 Audible signals, e.g. detonator +2 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B61,2013–2023, worldwide · Source: EPO PATSTAT

SIEMENS MOBILITY DE 2,749
CRRC QINGDAO SIFANG COMPANY 2,215
SIEMENS DE 1,941
ALSTOM TRANSPORT TECHNOLOGIES FR 1,514
BYD COMPANY 1,371
CRRC CHANGCHUN RAILWAY VEHICLES COMPANY 1,205
CRRC ZHUZHOU LOCOMOTIVE COMPANY 1,165
CRRC TANGSHAN COMPANY 1,119
BOMBARDIER TRANSPORTATION DE 1,001
SOUTHWEST JIAOTONG UNIVERSITY 958

Top Applicants (CPC)

Class B61,2013–2023, worldwide · Source: EPO PATSTAT

SIEMENS MOBILITY DE 2,967
SIEMENS DE 2,133
ALSTOM TRANSPORT TECHNOLOGIES FR 1,691
CRRC QINGDAO SIFANG COMPANY 1,100
BOMBARDIER TRANSPORTATION DE 1,085
MITSUBISHI ELECTRIC CORPORATION JP 880
BYD COMPANY 821
KRRI KR 761
HITACHI JP 752
CRRC ZHUZHOU LOCOMOTIVE COMPANY 721