E01C 11/04 for cement concrete paving
Full Title
Details of pavings > Arrangement or construction of joints ; Methods of making joints ; Packing for joints (sealing joints not restricted to road or airfield paving E04B1/68) > for cement concrete paving
Filing statistics
CPC E01C 11/04 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
6 direct subcodes
Child Classifications
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- E01C 11/06 Methods of making joints
- E01C 11/08 Packing of metal
- E01C 11/10 Packing of plastic or elastic materials
- E01C 11/12 Packing of metal and plastic or elastic materials
- E01C 11/14 Dowel assembly
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