DIFF Main Group
E01B 9/00 Fastening rails on sleepers, or the like (fastening rails to bridges E01D19/12)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Fastening rails on sleepers, or the like
CPC: Fastening rails on sleepers, or the like (fastening rails to bridges E01D19/12)
Full Title
Full titles differ between systems:
IPC:
Fastening rails on sleepers, or the like
CPC:
Fastening rails on sleepers, or the like (fastening rails to bridges E01D19/12)
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E01B 9/02 Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor IPC+CPC Available in IPC and CPC
- E01B 9/38 Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs IPC+CPC Available in IPC and CPC
- E01B 9/60 Rail fastenings making use of clamps or braces supporting the side of the rail IPC+CPC Available in IPC and CPC
- E01B 9/66 Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups IPC+CPC Available in IPC and CPC
- E01B 9/68 Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair +2 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