mechanically

Introduced: September 1968

Full Title

Safety means for rail/road crossing traffic > Operation of gates; Combined operation of gates and signals > Operation by approaching rail vehicle or train > mechanically

No child classifications to compare. This is a leaf node in both 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