S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
1 High Temperature Polymer Electrolyte Membrane Fuel Cells with Exfoliated Graphite based Bipolar Plates K S Dhathathreyan , N Rajalakshmi , K Ramya 494/DEL/2014 431480
2 A Grid Independent Fuel Cell System with a Unitized(DC & AC)Power Conditioner N. Rajalakshmi , K. Ramya , R. Balaji , S. Barathy , Sanjeev Kumar , Ranjan Kumar , M. Manoj Ramakrishna 201911006700 440238
3 Method of preparing gas diffusion layer for the electrode of ECMR cell for hydrogen generation. R. Balaji , N. Rajalakshmi , K.Ramya , R.Vasudevan , K.Sudalaiyandi 201911030852 469592
4 Method of manufacturing the catalyst coated membrane for the proton exchange membrane fuel cells N. Rajalakshmi, R. Balaji, E. Ganesan, D. Uday Kumar, R. Vasudevan 202011046496 532830
5 A Method of and an Apparatus for Continuous Humidification of Hydrogen Delivered to Fuel Cells A.Tangirala , V. Gollangi , B. Viswanthan , K.S.Dhathathreyan 670/CHE/2007 247547
6 An Improved Catalyst Ink useful for Preparing Gas Diffusion Electrode and an Improved PEM Fuel Cell G. Velayutham , N. Rajalakshmi 680/DEL/2008 277778
7 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 1206/DEL/2006 281504
8 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 1106/DEL/2007 285257
9 Improved Catalyst Ink For Catalyst Coated Membrane Of Electrode Membrane Assembly And The Process Thereof K.S.Dhathathreyan , N. Rajalakshmi 631/DEL/2008 290765
10 A Hydrophilic Membrane Based Humidifier useful for Fuel Cells K. S. Dhathathreyan , Ramya Krishnan , J. Sreenivas 95/DEL/2007 291871