CPC Subgroup
E02D 5/22 Piles (sheet piles, E02D5/02; )
Full Title
Bulkheads, piles, or other structural elements specially adapted to foundation engineering (engineering elements in general F16) > Piles (sheet piles, E02D5/02; )
13 direct subcodes
Child Classifications
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- E02D 5/24 Prefabricated piles
- E02D 5/34 Concrete or concrete-like piles cast in position
- E02D 5/48 Piles varying in construction along their length
- E02D 5/50 Piles comprising both precast concrete portions and concrete portions cast in situ
- E02D 5/52 Piles composed of separable parts, e.g. telescopic tubes
- E02D 5/54 Piles with prefabricated supports or anchoring parts; Anchoring piles
- E02D 5/56 Screw piles
- E02D 5/58 Prestressed concrete piles
- E02D 5/60 Piles with protecting cases
- E02D 5/62 Compacting the soil at the footing or in a casing by forcing cement or like material through tubes
- E02D 5/64 Repairing piles
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