Patents

Granted Patent Application

S.No Application Title Award Year Patent Appliation number Inventors Name
1 Temperature and Sag Measurement Sensor Fitted Directly on Live High Tension Powerlines 03-03-2024 521710 201641011300 Dr.J.Sundara Rajan Shri,Atulya Mishra Shri.Mohan.S.Devekar (Late)
2 A Process for the Preparation of Graphene Coated CNT Modified Mullitic Hollow Spheres 27-02-2024 516057 (1711/CHE/2014) Shri. S.Vynatheya Dr.M. Shekar Kumar Dr.S.Seetharamu Dr.Parvati Ramaswamy
3 An inspection method for characterization of surface breaking inclined crack based on Ultrasonic Time of Flight Diffraction 14-02-2024 510693 (102/KOL/2010) Dr. S.K. Nath Shri.B.H.Narayana Dr.Krishnan Bala Subbramaniam,IIT Chennai, Dr.C.V. Krishnamurthy, IIT Chennai.
4 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 16-01-2024 499634 (410/KOL/2014) M Siddhartha Bhatta
5 Novel Polymer Composite Material for EMI Shielding of Electronic Systems/ Circuits 09-01-2024 496460 201641011481 Kum.Kavya.M Dr.R.R.N.Sailaja Kum.Rashmi Dr.J.Sundara Rajan
6 High Temperature Erossion Test Rig System Resistence Of Metal 20-12-2023 486131 201841004673 Dr. R.K Kumar Mr.Janardhana Dr. V.Saravanan Dr. Shekar Kumar Raghavendra Naik
7 Secondary Air Pre-Heater for Heating Air to 800-1000 C In Drop Tube Reactor Systems 20-11-2023 470525 (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
8 A novel device for water conservation and use of solar water heaters (SWH) in multi storeyed buildings 30-10-2023 463340 358/KOL/2015 M Siddhartha Bhatta
9 A Composition of Silicone Rubber (SIR) and Filler Materials for Long Term Performance of High Voltage Insulators 18-10-2023 460425 2913/CHE/2015 Dr.N.Vasudev Smt.S.Ganga
10 Dielectric Mineral Oil Based Nanofluids for Transformers 25-09-2023 454359 201841034834 Dr. P. Thomas
11 Rotating water cooled ash deposition system to determine the deposition characteristics of the ash particles generated in a Drop Tube Reactor (DTR) system 15-09-2023 454227 (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
12 Sensor System Replicating and Monitoring Formation of CuxS in High Voltage Power Transformer 08-09-2023 445481 201641018693 Dr.J.Sundara Rajan Shri.Mohan.S.Divekar Kum.Daisy Flora
13 Green Insulating Fluids For Transformer Application: A Non-Edible Vegetable Oil” 07-08-2023 443364 202141053865 Dr. Dhorali Gnanasekaran, Dr. Chavidi Venkata Prasad,
14 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 07-07-2023 437812 (355/KOL/2015 ) M Siddhartha Bhatta
15 A COMPOSITION OF POLYDOPAMINE GRAFTED NANO ALUMINA BASED SILICONE RUBBER NANOCOMPOSITE FOR HIGH VOLTAGE INSULATION 03-05-2023 430971 202241031333 Mrs. Ashitha N Mrs. Meena K P
16 "An Apparatus and Method to Monitor Inlet and Exit Parametric Conditions of Steam in a Thermal Heating System to Achieve Optimal Efficiency" 23-03-2023 426426 (382/KOL/2012) M Siddhartha Bhatta
17 Intelligent forecaster for composite electric heater load on grid 01-03-2023 423719 (349/KOL/2013) M Siddhartha Bhatta
18 Load flow Models for Generators for Power Sub-Transmission and Distribution 23-02-2023 422964 (351/KOL/2015) Dr.Amit Jain Shri.James Ranjith Kumar
19 A Smart Air Handling Unit (Ahu) for Efficient Operation of Centralized Air-Conditioning Systems With Lower Power Consumption 10-01-2023 417425 (765/KOL/2014) M Siddhartha Bhatta Shri.S.Jothi Basu
20 Multi-Jet Type High Velocity Silt Erosion Apparatus 27-12-2022 415685 (377/KOL/2012) M.Janardhana R.K.Kumar Dr.p.Sampathkumaran Dr. S. Seetharamu
21 "An Apparatus for On-Line Measuring of Operating Efficiency of Deep well Motors/Bore well Motors In-Situ" 14-12-2022 414572 (383/KOL/2012) M Siddhartha Bhatta
22 A Secondary Air Pre-Heating System Integrated with an Hot Air Distribution System for achieving Laminar flow Conditions w hile Administering Preheated Secondary Air into a Drop Tube Furnace 30-11-2022 413136 (378/KOL/2012) V.Saravanan R.K.Kumar Dr. S. Seetharamu
23 A Scheme for Switching of Multiple Shunt Reactors for Testing of LV Power Capacitors 20-09-2022 407041 380/KOL/2012 Shri. Vaidhyanathan Dr.H.N.Nagamani
24 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
25 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
26 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 20-06-2022 201641033690 Dr.N.Vasudev Shri.S.Sudalai Shunmugam
27 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
28 An apparatus and a process for optimizing performance of a heat exchanger system 13-04-2022 394764 (364/KOL/2010) M Siddhartha Bhatt
29 Metal Carbide Coated Electrodes for DC inclined Plane Tracking Test 07-04-2022 394433 (201641011486) Smt.S.Ganga
30 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
31 System for controlling Operation of Hybrid Battery Bank in burst power and base power mode 10-01-2022 386321 (201741009033) Mr. M. Siddartha Bhatta
32 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
33 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
34 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
35 A Method for Synthesizing Ceramic Polymer Composites. 05-08-2021 373913 (1641/CHE/2014) Dr.P.Thomas
36 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
37 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
38 Ash Micro-Spheres Based Thermal Insulation Refractory 01-11-2020 350996 (568/KOL/2009) M.G. Anand Kumar Dr. S. Seetharamu
39 Development of Solid Matrix Reagent for De-chlorination of Poly Chlorinated Biphenyls (PCB) 29-07-2020 341325 (201641011282) Shri.V.V.Pattanshetti
40 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
41 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
42 Intelligent Air Conditioner Controller 29-02-2020 331767 (626/KOL/2008) M Siddhartha Bhatta
43 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
44 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
45 Fly ash Cenosphere composites for sanitation applications 29-11-2019 324627 (707/KOL/2013) Dr.M.Shekhar Kumar T.R.Venkatesh Dr.S.Seetharamu
46 Microwave sintered coal ash based granules for filler applications 25-10-2019 323686 (1213/KOL/2013) M.G.Ananda Kumar Dr.S.Seetharamu
47 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
48 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
49 A Curing Agent for Epoxy Resin 01-05-2017 283144 (1895/CHE/2006) Dr. P.V. Reddy
50 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
51 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
52 An Apparatus For Flow Simulation For Measurement Of Pulverized Particle Mass Flow 25-05-2010 240681 Shri.B.H.Narayana M Siddhartha Bhatt
53 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
54 A Flame Retardant Composition for Cable Applications 01-10-2009 234791 (301/CHE/2004) Dr.P.V.Reddy
55 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
56 Condensate Depression Monitor 01-10-2006 198941 Shri.R.Sudhir Kumar M Siddhartha Bhatt
57 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
58 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
59 Flame Retardant Low Smoke Compound Based On PVC For Cable Application 01-10-2006 201478 Dr.P.V.Reddy
60 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
61 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
62 Synthesis Of Capacitor Liquid Dielectric From Rapeseed Oil 01-10-2000 182271 M/s. Central Power Research Institute
63 A Process for the manufacture of Fly ash based ceramic floor tiles 01-10-1999 Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
64 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
65 Zirconia Based Ceramic Spray Powder For Plasma 01-10-1999 181225 Smt.Parvati Ramaswamy Shri.B.H.Narayana
66 New Aluminium Conductors for Coastal Application 01-10-1999 179042 Dr.P.R. Krishnamoorthy
67 Hand Held Capacitance Detector 01-10-1999 181110 M/s. Central Power Research Institute
68 Spherical Electrode AC Digital Field Strength Meter 01-10-1999 181132 M/s. Central Power Research Institute
69 A process for the manufacture of Fly ash based ceramic wall tile 01-10-1999 Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
70 Fluidised Beta Multi-Fuel Updraft Biomass Gasifier 01-10-1994 179425 M/s. Central Power Research Institute
71 Field Oriented Control of Synchronous Motor for Variable Speed Operation 01-01-1994 172072 M/s. Central Power Research Institute
72 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 “Method for determining the state of health of transformer using SFRA measurements”. 03-10-2022 202341032039 Sri. Sreeram V, Sri. Rajkumar M, Sri, Sudhakara Reddy S, Sri. T Gurudev, Sri. Maroti
2 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
3 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment 15-02-2018 202041006904 18/02/2020 Dr.N.Vasudev Mr. S Sudalai Shunmugam
4 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
5 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 16-10-2017 201841022717 Mr. T.Mallikharjuna Rao
6 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
7 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 31-03-2017 201741011818 Dr. Amit Jain Mr. James Ranjith Kumar
8 Successive Cooling Method To Reduce Global Warming 15-03-2017 201741008939 Mr. T. Mallikarjuna Rao
9 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
10 Sun Stroke Master 28-03-2013 348/KOL/2013 M Siddhartha Bhatta
11 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.
12 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
13 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
14 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
15 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
16 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