A Device for measuring the Thermal Conductivity of a fluid with dispersion of ultra-fine solid particles
An application for an Indian patent (390/Kol/2005) filed in February 2005, under review.
I. Manna, P. K. Das and M. Chopkar

Development of Nano-intermetallic Dispersed Al-matrix Composites from the Al-Cu-X Ternary Metastable Precursors
Indian patent granted on January 20, 2006 (Application No. 355/Cal/2000 filed in Kolkata, June 2000).
I. Manna, P. P. Chattpopadhyay and S. K. Pabi