CPC Main Group
E01C 11/00 Details of pavings
Filing statistics
CPC E01C 11/00 belongs to the parent subclass E01C, which recorded 56,740 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,651 in 2013 to 5,473 in 2023 (+106%), peaking at 7,531 applications in 2020. The most active applicants in class E01 are PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN (998 applications), CATERPILLAR PAVING PRODUCTS (937 applications) and CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (869 applications).
Source: EPO PATSTAT, worldwide filings
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- E01C 11/02 Arrangement or construction of joints ; Methods of making joints ; Packing for joints (sealing joints not restricted to road or airfield paving E04B1/68)
- E01C 11/16 Reinforcements ( ; for building in general E04C)
- E01C 11/22 Gutters; Kerbs (kerbs specially adapted for alerting road users E01F9/535)
- E01C 11/24 Methods or arrangements for preventing slipperiness or protecting against influences of the weather
Top Applicants
Top 10 applicants by patent filingsfor 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