Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
Load children
E02F
DREDGING; SOIL-SHIFTING
Load children
5/00
Dredgers or soil-shifting machines for special purposes
Load children Filter patents View analytics View as hierarchy
E02F5/30
Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
Load children Filter patents View analytics View as hierarchy