S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
111 An Improved Method for the Generation of Hydrogen from a Metal Borohydride and a Device Therefor K.S.Dhathathreyan , K. Ramya , J. Sreenivas , S. Narasimhan , S. Kumar 23/05/2007 1106/DEL/2007 17/07/2017 285257
112 A Method of and an Apparatus for Continuous Humidification of Hydrogen Delivered to Fuel Cells A.Tangirala , V. Gollangi , B. Viswanthan , K.S.Dhathathreyan 30/03/2007 670/CHE/2007 19/04/2011 247547
113 A Hydrophilic Membrane Based Humidifier useful for Fuel Cells K. S. Dhathathreyan , Ramya Krishnan , J. Sreenivas 16/01/2007 95/DEL/2007 18/01/2018 291871
114 An Improved Process for Preparing Nanotungsten Carbide Powder useful for Fuel Cells K.S. Dhathathreyan , N. Rajalakshmi , T. Narasinga Rao 12/01/2007 81/DEL/2007 22/11/2018 303338
115 An Improved Process for the Preparation of Doped Zinc Oxide Nanopowder useful for the Preparation of Varistors Kaliyan Hembram, Tata Narasinga Rao, R. Sundaresan 20/07/2006 1669/DEL/2006 03/01/2013 254913
116 An Improved Process for the Preparation of Exfoliated Graphite Separator Plates useful in Fuel Cells, the Plates Prepared by the Process and a Fuel Cell Incorporating the Said Plates K.S. Dhathathreyan , N. Rajalakshmi , S. Pandiyan 17/05/2006 1206/DEL/2006 20/03/2017 281504
117 A Process for the Preparation of Nanosilver and Nanosilver-Coated Ceramic Powders K. Murugan , T. Narasinga Rao 19/10/2005 2786/DEL/2005 30/06/2017 284812
118 Titanium Based Biocomposite Material useful for Orthopaedic and other Implants and a Process for its Preparation Malobika Karanjai R. Sundaresan Raja Rama Mohan B. P. Kashyap 14/09/2005 2490/DEL/2005 03/02/2009 228353
119 A Device for Controlling the On & Off Time of the Metal Oxide Semi Conductor Field Effect Transistor (MOSFET), A Device for Spark Coating the Surfaces of Metal Workpiece Incorporating the said Control Device and a Method of Coating Metal Surfaces. K.R.C. Somaraju , Ch. Sambasiva Rao , Alexander Vasilyevich , Ribalko 21/06/2005 1610/DEL/2005 05/08/2014 262189
120 An Evaporation Boat useful for Metallization and a Process for the Preparation of Such Boats S. Kumar, Mukta Mani Punj 31/10/2003 882/CHE/2003 01/03/2007 201511