S. No. Title Inventor Date of filing Patent Application Number Date of Grant Patent Number
31 Method For Preparing Multiunctional Isotropic And Uni-Directional Superhydrophoic Surfaces On Substrates Using Femtosecond Laser Ravi Bathe , Srini G. PAdmanabham 27/05/2020 202011022242 28/07/2023 441368
32 Biofilm inhibiting sol-gel composition for coating on substrates and process of preparing the same R Subasri, Ramay Patra, KRC Soma Raju, Susmita Chaudhuri, Prashant Garg, B Bhaskar, Debrupa Sarkar 11/01/2021 202111001104 27/07/2023 440726
33 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 20/02/2019 201911006700 24/07/2023 440238
34 Transition metal-based solar selective absorber coated substrate and method of manufacturing the same Shanmugasundaram Sakthivel, Atchuta Srinivasa Rao, Madiwala Shiva Prasad 14/05/2019 201911019139 20/07/2023 439790
35 High Temperature Polymer Electrolyte Membrane Fuel Cells with Exfoliated Graphite based Bipolar Plates K S Dhathathreyan , N Rajalakshmi , K Ramya 20/02/2014 494/DEL/2014 10/05/2023 431480
36 An Improved Gas and Coolant Flow Field Plate for use in Polymer Electrolyte Membrane Fuel Cells. K.S.Dhathathreyan, N. Rajalakshmi, R. Velayutham, R. Vasudevan, T.P. Sarangan, R. Parthasarathy 22/06/2010 1449/DEL/2010 27/02/2023 423285
37 Solar Selective Coating for Solar Energy Collector / Absorber Tubes with Improved Performance and a Method of Producing the Same S.Sakthivel, SV.Joshi, MS Prasad 15/07/2015 2142/DEL/2015 09/02/2023 421064
38 A system for treating a surface of bearing components and a process thereof M.N.Nallaiyan, E. Anusha, R. Ganesan , S.M. Shariff , M Vittal Khaire , G. Padmanabham 23/12/2017 201711046511 03/02/2023 388398
39 Method of preparation of carbon supported platinum electrode catalyst for PEM fuel cells and product thereof Dr. N. Rajalakshmi, Vedarajan Raman, Jayaraj Prithi 20/08/2020 202011035825 18/01/2023 418482
40 Method of producing in-situ carbon coated Lithium Iron Phosphate cathode material for Lithium-ion batteries. Dr. Anandan, R. Vijay, Dr. T. N. Rao 28/12/2020 202011056608 28/11/2022 412586