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
E04C3/29
built-up from parts of different material,; i.e. composite structures
Load children Filter patents View analytics View as hierarchy
E04C3/293
the materials being steel and concrete
Load children Filter patents View analytics View as hierarchy
E04C3/294
of concrete combined with a girder-like structure extending laterally outside the element
Filter patents View analytics View as hierarchy