IPC Main Group
E01C 19/00 Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
Related Keywords
CONCRETE paving mixersDISTRIBUTION of road materialsGRADING of road-surface materials
8 direct subcodes
Child Classifications
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- E01C 19/02 for preparing the materials
- E01C 19/12 for distributing granular or liquid materials
- E01C 19/22 for consolidating or finishing laid-down unset materials
- E01C 19/45 Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
- E01C 19/46 for preparing and placing the materials
- E01C 19/48 for laying-down the materials and consolidating them, or finishing the surface
- E01C 19/5 Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs,
- E01C 19/52 Apparatus for laying individual preformed surface elements, e.g. kerbs
Top Applicants
Top 10 applicants by patent filingsfor 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