S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
111 Improved Method of Producing Highly Stable Aqueous Nano Titania Suspension Neha Hebalkar , T. Narasinga Rao 09/04/2009 730/DEL/2009 28/04/2017 282988
112 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
113 An Improved Catalyst Ink useful for Preparing Gas Diffusion Electrode and an Improved PEM Fuel Cell G. Velayutham , N. Rajalakshmi 18/03/2008 680/DEL/2008 30/11/2016 277778
114 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
115 Laser based Clad-Coatings for Protecting the Power Plant Components for Life Enhancement Manish Tak , S.M. Shariff, G. Padmanabham 19/10/2018 201811039663 20/12/2013 486341
116 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
117 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
118 An Improved Method of Forming Holes on a Substrate using Laser Beams K. Sarin , Sundar Shrikant.V. , Joshi G. Sundararajan 29/11/2015 3205/DEL/2005 29/03/2010 239647
119 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
120 An Improved Boronizing Composition K. Balasubramanian , B. Venkata Raman , K. Gopal Krishna , Vipin Jain , K. Sampath , G. Sundararajan 03/04/2001 289/MAS/2001 27/05/2008 220370