Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04D
ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
Load children
15/00
Apparatus or tools for roof working
Load children Filter patents View analytics View as hierarchy
E04D15/04
for roof coverings comprising slabs, sheets or flexible material
Load children Filter patents View analytics View as hierarchy
E04D2015/042
Fixing to the roof supporting structure
Load children Filter patents View analytics View as hierarchy