E01C 23/02 Devices for making, treating or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings (surface patterning E01C19/43); Removable forms therefor (non-removable forms E01C11/02); Devices for introducing inserts or removable insert-supports in not-yet-hardened paving (E01C23/04 takes precedence; non-removable insert supports E01C11/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Devices for making, treating, or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings; Removable forms therefor; Devices for introducing inserts or removable insert-supports in not-yet-hardened paving
CPC: Devices for making, treating or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings (surface patterning E01C19/43); Removable forms therefor (non-removable forms E01C11/02); Devices for introducing inserts or removable insert-supports in not-yet-hardened paving (E01C23/04 takes precedence; non-removable insert supports E01C11/02)
Full Title
Full titles differ between systems:
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces > Devices for making, treating, or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings; Removable forms therefor; Devices for introducing inserts or removable insert-supports in not-yet-hardened paving
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces (apparatus for reconditioning of salvaged non-hydraulic compositions E01C19/10) > Devices for making, treating or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings (surface patterning E01C19/43); Removable forms therefor (non-removable forms E01C11/02); Devices for introducing inserts or removable insert-supports in not-yet-hardened paving (E01C23/04 takes precedence; non-removable insert supports E01C11/02)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open
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