E02D 19/16 by placing or applying sealing substances (; consolidating by placing solidifying or pore-filling pore-filling substances in the soil E02D3/12 )
Full Title
Keeping dry foundation sites or other areas in the ground (sheet piles or bulkheads E02D5/02) > Restraining of underground water > by damming or interrupting the passage of underground water > by placing or applying sealing substances (; consolidating by placing solidifying or pore-filling pore-filling substances in the soil E02D3/12 )
Filing statistics
CPC E02D 19/16 belongs to the parent subclass E02D, which recorded 112,888 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,838 in 2013 to 13,673 in 2023 (+256%), peaking at 14,689 applications in 2021. The most active applicants in class E02 are KOMATSU (3,939 applications), CATERPILLAR (3,490 applications) and HITACHI CONSTRUCTION MACHINERY COMPANY (2,553 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class E02, 2013–2023, worldwide · Source: EPO PATSTAT
- KOMATSU JP 3,939
- CATERPILLAR US 3,490
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,553
- KOMATSU 1,789
- JOHN DEERE US 1,277
- HITACHI CONSTRUCTION MACHINERY COMPANY 1,102
- KOBELCO CONSTRUCTION MACHINERY COMPANY JP 1,014
- HOHAI UNIVERSITY 975
- CHINA MCC17 GROUP COMPANY 810
- VOLVO CONSTRUCTION EQUIPMENT SE 787