S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
131 Ceramic Honey Comb Based Energy Efficient Air Heater V.V.Sundereswar Rao , Y.R.Mahajan , S.Bhattacharya , Roy Johnson , Bhaskar Prasad Saha 07/01/1999 30/MAS/1999 02/06/2006 200787
132 New Composite Material Having Good Shock Attenuating Properties and a process for the Preparation of Said Material Y.R.Mahajan , Roy Johnson , Bhaskar Prasad Saha , M.N.Saraf R.D.Raisinha 06/05/1998 976/MAS/1998 02/01/2006 194524
133 A Process for Preparation of Reaction Bonded Silicon Carbide Components N.Thiyagarajan, V.V.Bhanu Prasad, Y.R.Mahajan 28/10/1996 1886/MAS/1996 31/08/2006 195429
134 A Process of Producing Chemically Treated Expanded Graphite and a Device having Such Graphite M.Subramaniam , Pawan Kumar Jain 07/06/1995 562/MAS/1994 05/12/2002 187654
135 An Indirect Heated Catalytic Converter for use with Vehicles G.S. Bhattacharjee , Roy Johnson , Bhaskar Prasad Saha 25/08/1994 809/MAS/1994 10/08/2001 185433
136 A Solar Cooker T.P. Rajashekaran, K.V. Phani, Prabhakar Leonard , L. Vasiliev , M. Donatas , Victor L. Vasiliev 13/06/1994 498/MAS/1994 25/05/2001 184675
137 A Solar Drier A.Shiva Kumar , K.V. Phani , Prabhakar Leonard , L. Vasiliev , M. Donatas 08/06/1994 487/MAS/1994 23/09/2000 184674
138 A Process for the Preparation of Short Ceramic Fibres M.P.Rajshekharan , Anil Kumar, A.Shiva Kumar 20/05/1994 537/MAS/1994 07/06/2002 186751