Patents

Granted Patent Application

S.No Application Title Award Year Patent Appliation number Inventors Name
1 A Device for Thermo-Mechanical Pre- Stressing of Metal Oxide Surge Arrester 11-08-2022 403435 (31/KOL/2014) K.Karunakara M.Kanyakumari Dr.N.Vasudev Dr.R.S.Shivakumara Aradhya
2 An Condenser Device for Cooling Transformer Oil and Converting Heat Energy of Transformer Oil into Electricity 10-08-2022 403340 (1020/KOL/2014) Shri.T.Mallikharjuna Rao
3 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 20-06-2022 201641033690 Dr.N.Vasudev Shri.S.Sudalai Shunmugam
4 A Robotic Crawler System Operable under LFET To Conduct Automated Boiler Water Wall Tubes Inspection 24-05-2022 397523 (379/KOL/2012) M.Janardhana R.K.Kumar Dr.p.Sampathkumaran Dr. S. Seetharamu
5 An apparatus and a process for optimizing performance of a heat exchanger system 13-04-2022 394764 (364/KOL/2010) M Siddhartha Bhatt
6 Metal Carbide Coated Electrodes for DC inclined Plane Tracking Test 07-04-2022 394433 (201641011486) Smt.S.Ganga
7 A Novel HDPE Nano-Composite using Multiwalled Carbon Nanotubes (MWCNT) And Nano-Silicon Dioxide (SIO2) with balanced Dielectric, Mechanical and Flame Properties for Insulation Applications 07-02-2022 388667 (201641011344) Shri.T.A.Praveen Dr.R.R.N.Sailaja Dr.J.Sundara Rajan
8 System for controlling Operation of Hybrid Battery Bank in burst power and base power mode 10-01-2022 386321 (201741009033) Mr. M. Siddartha Bhatta
9 A constant Pressure Gas Holder System for mixing Explosive Gas-Air Mixtures in Volumetric Ratio at atmospheric pressure 27-10-2021 380308 (1633/CHE/2014) Gujjala Balaraju
10 Creation of B-scan Image in Ultrasonic Complex Geometry Time of Flight Diffraction Inspection 26-10-2021 380101 (201641011438) Dr.S.K.Nath Shri.Nilesh Bhajan Shri.Vaibav Borkar Shri.Bhavesh Bhojwani
11 Development Of Online Gas Extraction System For Dissolved Gases In Mineral Oils 20-10-2021 379481 (201741007587) Shri.R. Panner Selvam Shri.D. Ravindra Shri.H.C. Kashavamurthy Shri.G.R.Viswanath
12 A Method for Synthesizing Ceramic Polymer Composites. 05-08-2021 373913 (1641/CHE/2014) Dr.P.Thomas
13 Chamber for Administering Cold Primary and Hot Secondary Air to Drop Tube Reactor Systems 11-02-2021 358369 (368/KOL/2015) CPRI Officials Dr.V.Saravanan Shri.R.K.Kumar Shri.K.H.Arun Kumar Dr.M.Shekar Kumar Dr. S. Seetharamu NTPC Officials Dr.Krishnendu Saha Shri.Kumar Swadhin Shri Sujay Karmakar Shri. MVS Reddy Shri. S.K.Dave
14 Nano-laddered sorbent type material for transformer oil reclamation 02-11-2020 351435 (376/KOL/2012) Mr.V.V.Pattanshetti Mr.Kishore Kumar Dr.S.Seetharamu
15 Ash Micro-Spheres Based Thermal Insulation Refractory 01-11-2020 350996 (568/KOL/2009) M.G. Anand Kumar Dr. S. Seetharamu
16 Development of Solid Matrix Reagent for De-chlorination of Poly Chlorinated Biphenyls (PCB) 29-07-2020 341325 (201641011282) Shri.V.V.Pattanshetti
17 Nano-filled polymer based high performance novel thermo plastic composite material for dielectric applications 29-07-2020 341300 (365/KOL/2012) Shri.V.V.Pattanshetti Dr.S.Seetharamu
18 A Process for Synthesizing Carbon Nano Tubes (CNT’s) Modified Nano – Mullitic Hollow Spheres 29-05-2020 336720 (1713/CHE/2014) S.Vynatheya Dr.M. Shekar Kumar Dr.S.Seetharamu Dr.Parvati Ramaswamy
19 Intelligent Air Conditioner Controller 29-02-2020 331767 (626/KOL/2008) M Siddhartha Bhatta
20 An improved water/nitrogen dual cooled probe system for collecting burnt sample particles at various elevations inside drop tube furnace 29-01-2020 330014 (381/KOL/2012) Dr. V.Saravanan Dr. R.K.Kumar Dr. S. Seetharamu
21 Pulverised coal ash based granules through low energy route for filler applications 29-12-2019 328643 (1466/KOL/2013) M.G.Ananda Kumar Dr.M.Shekhar Kumar Dr.S.Seetharamu
22 Fly ash Cenosphere composites for sanitation applications 29-11-2019 324627 (707/KOL/2013) Dr.M.Shekhar Kumar T.R.Venkatesh Dr.S.Seetharamu
23 Microwave sintered coal ash based granules for filler applications 25-10-2019 323686 (1213/KOL/2013) M.G.Ananda Kumar Dr.S.Seetharamu
24 A novel method for synthesis of dawsonite from fly ash 29-07-2019 315960 (706/KOL/2013) Dr.M.Shekhar Kumar K.Surynarayanana Dr.S.Seetharamu
25 A System for Measuring Thermal Energy Gained by a Water Storage Tank 14-09-2017 287873 (1437/CHE/2006) Shri.R.Sudhir Kumar Shri.N.Rajkumar M Siddhartha Bhatt
26 A Curing Agent for Epoxy Resin 01-05-2017 283144 (1895/CHE/2006) Dr. P.V. Reddy
27 Time Synchronizing Unit for continuously monitoring Electrical Substations 29-02-2012 251180 (484/CHE/2003) Shri.V.Shivakumar Shri. V. Arunachalam Shri.V.N.Nandakumar Dr.B.N.Sarkar
28 Radio Based Centralized Control System For Electrical Loads 28-03-2011 247111 (485/CHE/2003) Shri.V.Shivakumar Shri. V. Arunachalam Shri.V.N.Nandakumar Dr.B.N.Sarkar
29 An Apparatus For Flow Simulation For Measurement Of Pulverized Particle Mass Flow 25-05-2010 240681 Shri.B.H.Narayana M Siddhartha Bhatt
30 An Apparatus and a Method for Optimum Extraction Of Dissolved Gas in Mineral / Synthetic Oil 01-10-2009 236822 (300/CHE/2004) Shri.R. Panner Selvam Shri.D. Ravindra Shri.H.C. Kashavamurthy Shri.G.R.Viswanath
31 Stabilized Zirconia Plasma Sprayable Powder and Industrial Process for Its Manufacture 01-10-2009 229939 (1284/CHE/2005) Dr.Parvati Ramaswamy Dr.S.Seetharamu Mr.S.Vynatheya
32 A Flame Retardant Composition for Cable Applications 01-10-2009 234791 (301/CHE/2004) Dr.P.V.Reddy
33 Condensate Depression Monitor 01-10-2006 198941 Shri.R.Sudhir Kumar M Siddhartha Bhatt
34 Card Operated Pre-Paid Energy Meter using Novel Card Reading Technique 01-10-2006 198927 Smt.Jothy Gopalakrishnan Shri.A.R.Ravi Kumar Shri.V.N.Nanda Kumar Dr.B.N.Sarkar
35 Development Of Digital Techniques For Measurement Of Resistive Leakage Current In Zinc Oxide Arrester 01-10-2006 201476 Dr. R. S. Shivakumara aradhya Dr.Pradeep m. nirgude Dr. Channakeshava
36 Flame Retardant Low Smoke Compound Based On PVC For Cable Application 01-10-2006 201478 Dr.P.V.Reddy
37 A Digital Device For Measurement Of Resistive Leakage Current Of Zinc Oxide Arresters 01-10-2005 201476 Dr. R. S. Shivakumara Aradhya Pradeep M. Nirgude Dr. Channakeshava
38 Development of Latent Accelerator Based On Metal Chelates for Faster Curing of Epoxy Resin System 01-10-2000 181043 M/s. Central Power Research Institute
39 Synthesis Of Capacitor Liquid Dielectric From Rapeseed Oil 01-10-2000 182271 M/s. Central Power Research Institute
40 New Aluminium Conductors for Coastal Application 01-10-1999 179042 Dr.P.R. Krishnamoorthy
41 Hand Held Capacitance Detector 01-10-1999 181110 M/s. Central Power Research Institute
42 Spherical Electrode AC Digital Field Strength Meter 01-10-1999 181132 M/s. Central Power Research Institute
43 A process for the manufacture of Fly ash based ceramic wall tile 01-10-1999 Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
44 A Process for the manufacture of Fly ash based ceramic floor tiles 01-10-1999 Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
45 A Process for the manufacture of Fly ash based ceramic acid resistant Bricks/Tiles 01-10-1999 Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
46 Zirconia Based Ceramic Spray Powder For Plasma 01-10-1999 181225 Smt.Parvati Ramaswamy Shri.B.H.Narayana
47 Fluidised Beta Multi-Fuel Updraft Biomass Gasifier 01-10-1994 179425 M/s. Central Power Research Institute
48 Field Oriented Control of Synchronous Motor for Variable Speed Operation 01-01-1994 172072 M/s. Central Power Research Institute
49 Lightning Arrester Field Test Kit 01-01-1970 M/s. Central Power Research Institute

Under process Patent Application

S.No Application Title Filing Date Patent Appliation number Inventors Name
1 A Composition of polydopamine grafted nano alumina based silicone rubber nanocomposite for high voltage insulation 12-05-2022 202241031333 (01.06.2022) Mrs. Ashitha N Mrs. Meena K P
2 Green Insulating Fluids For Transformer Application: A Non-Edible Vegetable Oil” 08-09-2021 202141053865 (23.11.2021) Dr. Dhorali Gnanasekaran, Dr. Chavidi Venkata Prasad
3 Simulated particle impact Erosion system for Grading Thermal Power Plant tube materials and coatings. 01-04-2019 201941018786 (11/05/2019) Dr. R.K.Kumar, Dr.V.Saravanan, Shri. M.Janardhana, Dr. GSVL Narasimham, IISc, Bengaluru
4 Dielectric mineral oil based nanofluids for transformers. 20-09-2018 201841034834 Dr.P. Thomas Mrs. Nandini E Hudedmani
5 Synthetic Ester Based Nanofluids for Transformer Insulation. 20-06-2018 Patent Application number awaited Dr.P. Thomas Mrs. Nandini E Hudedmani
6 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment 15-02-2018 202041006904 18/02/2020 Dr.N.Vasudev Mr. S Sudalai Shunmugam
7 Simulation Silt Erossion System For Grading Hydro Power Plant Material And Coatings 30-11-2017 201741042935 Dr.R.K.Kumar Dr.Saravanan Dr.Shekar Kumar Mr.Pramode
8 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 16-10-2017 201841022717 Mr. T.Mallikharjuna Rao
9 Development Of "Natural Easter Based Dielectric Fluids For Transformer Oil Applications" 01-05-2017 Patent Application number awaited Mr.V.V.Pattan Shetty Mrs.Ann Pamla Cruze
10 In-Situ Low Intrusive Material Scoop Device For Extration From Metalic Minerals 27-04-2017 202041010243 10/03/2020 Complete Spec filed Dr. M.V.Rao Mr.Kishore kumar Dr. Shekar Kumar Mr. R.K.Swamy M/s. Veltech Engineers, Hyderabad
11 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 31-03-2017 201741011818 Dr. Amit Jain Mr. James Ranjith Kumar
12 Successive Cooling Method To Reduce Global Warming 15-03-2017 201741008939 Mr. T. Mallikarjuna Rao
13 High Temperature Erossion Test Ring System Resistence Of Metal 03-08-2016 201841004673 Dr.R.K.Kumar Mr.Janardhana Dr. V.Saravanan Dr.Shekar Kumar Raghavendra Naik
14 Sensor System Replicating and Monitoring Formation of CuxS in High Voltage Power Transformer 31-05-2016 201641018693 Dr.J.Sundara Rajan Shri.Mohan.S.Divekar Kum.Daisy Flora
15 Temperature and Sag Measurement Sensor Fitted Directly on Live High Tension Powerlines 31-03-2016 201641011300 Shri,Atulya Mishra Shri.Mohan.S.Devekar Dr.J.Sundara Rajan
16 Novel Polymer Composite Material for EMI Shielding of Electronic Systems/ Circuits 31-03-2016 201641011481 Kum.Kavya.M Dr.R.R.N.Sailaja Kum.Rashmi Dr.J.Sundara Rajan
17 A Composition of Silicone Rubber (SIR) and Filler Materials for Long Term Performance of High Voltage Insulators 10-06-2015 2913/CHE/2015 Dr.N.Vasudev Smt.S.Ganga
18 Rotating water cooled ash deposition system to determine the deposition characteristics of the ash particles generated in a Drop Tube Reactor (DTR) system 31-03-2015 366/KOL/2015 CPRI Officials Dr.V.Saravanan Shri.R.K.Kumar Shri.K.H.Arun Kumar Dr.M.Shekar Kumar Dr. S. Seetharamu NTPC Officials Shri Sujay Karmakar Shri.Kumar Swadhin Dr.Krishnendu Saha Shri. MVS Reddy Shri. S.K.Dave
19 Secondary Air Pre-Heater for heating air to 800-1000 Centigrade in drop tube reactor systems 31-03-2015 364/KOL/2015 CPRI Officials Dr.V.Saravanan Shri.R.K.Kumar Shri.K.H.Arun Kumar Dr.M.Shekar Kumar Dr. S. Seetharamu NTPC Officials Shri. MVS Reddy Shri Sujay Karmakar Shri.Kumar Swadhin Dr.Krishnendu Saha Shri. S.K.Dave
20 A novel device for water conservation and use of solar water heaters (SWH) in multi storeyed buildings 30-03-2015 358/KOL/2015 M Siddhartha Bhatta
21 A Quadratic solution based method to handle fluctuations of bus voltage inconstant impedance constant current and constant power (zip) load 30-03-2015 351/KOL/2015 Dr.Amit Jain Shri.James Ranjith Kumar
22 A Smart Air Handling Unit (AHU) for Efficient Operation of Centralized Air Conditioning Systems with lower power consumption 17-07-2014 765/KOL/2014 M Siddhartha Bhatta Shri.S.Jothi Basu
23 A Process for the Preparation of Graphene Coated CNT Modified Mullitic Hollow Spheres 31-03-2014 1711/CHE/2014 Shri. S.Vynatheya Dr.M. Shekar Kumar Dr.S.Seetharamu Dr.Parvati Ramaswamy
24 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 28-03-2014 410/KOL/2014 M Siddhartha Bhatta
25 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 27-03-2014 355/KOL/2015 M Siddhartha Bhatta
26 Sun Stroke Master 28-03-2013 348/KOL/2013 M Siddhartha Bhatta
27 Intelligent forecaster for composite electric heater load on grid 28-03-2013 349/KOL/2013 M Siddhartha Bhatta
28 An improved heat pipe forming a condenser with reduced number of pipes and effectively condensing steam in steam cycled based power plates 28-03-2013 350/KOL/2013 T.Mallikhrjuna Rao
29 A device scheme for switching of multiple shunt reactor banks for conducting testing of Low Voltage (LV) Power Capacitors in electrical distribution systems 02-04-2012 380/KOL/2012 Dr.H.N.Nagamani Shri. Vaidhyanathan
30 An apparatus for on-line measuring of operating efficiency of deep well or bore well-motors in-situ 02-04-2012 383/KOL/2012 M Siddhartha Bhatt
31 An apparatus and method to monitor inlet and exit Parametric conditions of steam in a thermal heating system to achieve optimal efficiency 02-04-2012 382/KOL/2012 M Siddhartha Bhatt
32 A high temperature secondary pre-heating system to determine the combustion reactivity of pulverized fuel particles in drop tube furnace 02-04-2012 378/KOL/2012 V.Saravanan R.K.Kumar Dr. S. Seetharamu
33 A jet type high velocity slit erosion test apparatus for comparative grading evaluation of silt erosion resistance of different materials and coatings of the turbine components under closely simulated field conditions prevailing in hydro plant 02-04-2012 377/KOL/2012 M.Janardhana R.K.Kumar Dr.p.Sampathkumaran Dr. S. Seetharamu
34 A modular rod type resistive superconductor fault current limiter equipment and assembly under NPP project 25-10-2011 3024/MUM/2011 1.M/s.Crompton Greaves Limited 2. M/s.Central Power Research Institute
35 A modular plate type resistive superconductor fault current limiter equipment and assembly under NPP project 25-10-2011 3025/MUM/2011 1.M/s.Crompton Greaves Limited 2. M/s.Central Power Research Institute
36 An erosion resistant steel for underwater components of Turbine Hydro generators and Process for producing the same 14-09-2011 2653/DEL/2011 1. Council of Scientific and Industrial Research. 2. Central Power Research Institute. 3. National Hydro Power Corporation Limited. 4. Satluj Jal Vidyut Nigam Limited.
37 A Process For Producing Polymer Composites With Marble Dust 31-03-2011 455/KOL/2011 Dr. M. Shekhar Kumar Shri.K. Suryanarayana Dr. S. Seetharamu
38 A Process For Producing Polymer Composites For Beneficiated Fly Ash 31-03-2011 456/KOL/2011 Dr. M. Shekhar Kumar Shri.K. Suryanarayana Dr. S. Seetharamu
39 An inspection method for characterization of surface breaking inclined crack based on Ultrasonic Time of Flight Diffraction 03-02-2010 102/KOL/2010 Dr. S.K. Nath Shri.B.H.Narayana Dr.Krishnan Bala Subbramaniam,IIT Chennai, Dr.C.V. Krishnamurthy, IIT Chennai.
40 A method to produce Silica Rich Soil Nutrient Support Material Obtained Through Dry Ash Beneficiation 31-03-2009 567/KOL/2009 Smt.M.G.Sumangala Shri. P.Sampath Kumar M.G. Anand Kumar Dr. S. Seetharamu
41 Hot Blended Waste Particulate Fillers With Inorganic Catalyzed Disperse Phase 31-03-2008 651/KOL/2008 Shri.S. Vynatheya Shri.P. Suryanarayana Dr. S. Seetharamu
42 Multilayer Nanomullite – Alumina Coatings For Wear And Erosion Resistance Applications 31-03-2008 652/KOL/2008 Shri.S. Vynatheya Dr. S. Seetharamu Shri.K. Suryanarayana Shri. Ramakrishna