Received Patents
US Patent on Net lock Girder (Pub no 8661764)

Application Areas :

Large span lattice girder system for industrial structures

Large span Bridges

Launching girders

Foot Over Bridges

Communication Towers

Emergency bridges

Indian Patent applied for Composite Stone Panels
( V V Rangarao & Shankar Naryan)


Indian Patent applied for Flat Strip Stepped slab
( V V Rangarao & N V Ramana rao)



Indian Patent applied for Composite structural mosaic Panels ( V V Rangarao & Shankar Naryan)