Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04C
STRUCTURAL ELEMENTS; BUILDING MATERIALS
Load children
3/00
Structural elongated elements designed for load-supporting
Load children Filter patents View analytics View as hierarchy
E04C3/02
Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms;; Braces
Load children Filter patents View analytics View as hierarchy
E04C3/08
with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
Load children Filter patents View analytics View as hierarchy
E04C3/09
at least partly of bent or otherwise deformed strip- or sheet-like material
Filter patents View analytics View as hierarchy