Patent classifications
E
FIXED CONSTRUCTIONS
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E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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E02D
FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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5/00
Bulkheads, piles, or other structural elements specially adapted to foundation engineering
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E02D5/48
Piles varying in construction along their length; , i.e. along the body between head and shoe, e.g. made of different materials along their length
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