Indian Patent Granted Indian Applications Awaiting Grant International Patents Granted & Awaiting Grant
S. No. Title Investor Date of filing Patent Application Number Date of Grant Patent Number
1 An Indirect Heated Catalytic Converter for use with Vehicles G.S. Bhattacharjee , Roy Johnson , Bhaskar Prasad Saha 809/MAS/1994 185433
2 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 976/MAS/1998 194524
3 An Improved Method for Making Honeycomb Extrusion Die and a Process for Producing Ceramic Honeycomb Structure using the Said Die Iouri Fomichev, I.Ganesh, B.P. Saha, Roy Johnson, N. Thiyagarajan, Y.R. Mahajan, V. Mahender 538/MAS/2001 198045
4 A Process for the Preparation of Improved Alumina Based Abrasive Material, an Additive Composition and a Process for the Preparation of the Composition Bhaskar Prasad Saha , Roy Johnson , I.Ganesh , S.Bhattacharya , Y.R.Mahajan 122/MAS/2000 198068
5 A Process for the Production of Dense Magnesium Aluminate Spinel Grains I.Ganesh 520/MAS/2000 198208
6 Improved Process for the Preparation of Magnesium Aluminate Spinel Grains M.Chandrasekhar Rao , Y.R.Mahajan , S.Bhattacharya , Roy Johnson , Bhaskar Prasad Saha , I.Ganesh 29/MAS/1999 200272
7 Ceramic Honey Comb Based Energy Efficient Air Heater V.V.Sundereswar Rao , Y.R.Mahajan , S.Bhattacharya , Roy Johnson , Bhaskar Prasad Saha 30/MAS/1999 200787
8 A Process for Preparation of Reaction Bonded Silicon Carbide Components N.Thiyagarajan, V.V.Bhanu Prasad, Y.R.Mahajan 1886/MAS/1996 195429
9 An Evaporation Boat useful for Metallization and a Process for the Preparation of Such Boats S. Kumar, Mukta Mani Punj 882/CHE/2003 201511
10 An Improved Method for Making Sintered Polycrystalline Transparent Sub-Micron Alumina Article R. Senthil Kumar 1358/DEL/2011 378836