Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: RAILWAYS
Subclass:: AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR

Related Keywords

rail vehicle BRAKE(S) fixed to permanent waybrakes or retarding apparatus fixed to RAILWAY(S),RAILROAD(S) permanent wayRAILWAY(S),RAILROAD(S) vehicle stops fixed to permanent waytrack brakes for RAILWAY(S),RAILROAD(S)track brakes in SHUNTING yards

3 direct subcodes

Child Classifications

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B61K 7/02 Track brakes or retarding apparatus
B61K 7/14 Sand or like tracks
B61K 7/16 Positive railway stops

Top Applicants

Top 10 applicants by patent filingsfor 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