Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04D
ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
Load children
1/00
Roof covering by making use of tiles, slates, shingles, or other small roofing elements
Load children Filter patents View analytics View as hierarchy
E04D1/26
Strip-shaped roofing elements; simulating a repetitive pattern, e.g.; appearing as a row of shingles
Load children Filter patents View analytics View as hierarchy
E04D1/265
the roofing elements being rigid, e.g. made of metal, wood or concrete
Filter patents View analytics View as hierarchy