E01B 29/14 for lifting sleepers up to the rails (lifting devices in general B66F)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for lifting sleepers up to the rails
CPC: for lifting sleepers up to the rails (lifting devices in general B66F)
Full Title
Full titles differ between systems:
Laying, rebuilding, or taking-up tracks; Tools or machines therefor > Transporting, laying, removing, or renewing sleepers > under, or from under, installed rails > for lifting sleepers up to the rails
Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Transporting, laying, removing or renewing sleepers (E01B29/05 takes precedence; carrying devices B65G7/12) > under, or from under, installed rails > for lifting sleepers up to the rails (lifting devices in general B66F)
No child classifications to compare. This is a leaf node in both 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