• All sections
• E - Fixed constructions
• E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
• E04B 5/40 - Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcementForm slabs with reinforcements extending laterally outside the element with metal form slabs

Patent holdings for IPC class E04B 5/40

Total number of patents in this class: 187

10-year publication summary

Principal owners for this class