DIFF Main Group
E01B 25/00 Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C9/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Tracks for special kinds of railways
CPC: Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C9/02)
Full Title
Full titles differ between systems:
IPC:
Tracks for special kinds of railways
CPC:
Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C9/02)
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- E01B 25/08 Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail IPC+CPC Available in IPC and CPC
- E01B 25/22 Tracks for railways with the vehicle suspended from rigid supporting rails IPC+CPC Available in IPC and CPC
- E01B 25/28 Rail tracks for guiding vehicles when running on road or similar surface (wheel tracks on roads E01C9/02) IPC+CPC Available in IPC and CPC
- E01B 25/30 Tracks for magnetic suspension or levitation vehicles since 2000 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class E01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
- CHANG AN UNIVERSITY 1,878
- ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
- CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
- CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
- TONGJI UNIVERSITY 899
- CATERPILLAR PAVING PRODUCTS US 868
Top Applicants (CPC)
Class E01,2013–2023, worldwide · Source: EPO PATSTAT
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
- CATERPILLAR PAVING PRODUCTS US 937
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
- WIRTGEN DE 740
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
- CHANG AN UNIVERSITY 615
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
- SOUTHEAST UNIVERSITY 562
- TONGJI UNIVERSITY 500
- ROAD & BRIDGE INTERNATIONAL COMPANY 491