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Patents

Standing Advertisement for Expression of Interest

The Central Power Research Institute (CPRI)—an Autonomous Society under the Ministry of Power, Government of India—invites expressions of interest from entrepreneurs and industries for licensing available technologies as per the format provided in Annexure I (click here to view annexure) . A comprehensive list of technologies open for licensing is provided below. CPRI is providing the Technologies to the interested firms at no cost basis. 

Submission Details:

Address: Head, R&D Management Division, Central Power Research Institute, Prof. Sir C.V. Raman Road, Post Box No: 8066, Sadashiva Nagar (P.O), Bengaluru, Karnataka, India, Pincode: 560080 

Email: rnd@cpri.in

S.No Application Title Award Year Patent Number Inventors Name
1 Beneficiated Fly Ash Cenospheres as a Resource Material for Manufacture of Polymer Composites 557400 456/KOL/2011 Dr. M. Shekhar Kumar Shri.K. Suryanarayana Dr. S. Seetharamu
2 Silica rich Soil Nutrient Support Material obtained through Dry Ash Beneficiation 555752 567/KOL/2009 Smt.M.G.Sumangala Shri. P.Sampath Kumar M.G. Anand Kumar Dr. S. Seetharamu
3 Hot Blended Waste Particulate with Inorganic Catalyzed Disperse Phase for Construction Applications 554652 651/KOL/2008 Dr. M.G.Anandakumar Sri.Sadashivamurthy Dr. S. Seetharamu
4 Marble Dust as a Filler Material for Manufacture of Polymer Composites 455/KOL/2011 554545 Dr. M. Shekhar Kumar Shri.K. Suryanarayana Dr. S. Seetharamu
5 Multilayer Nanomullite Alumina Coatings for Wear and Erosion Resistance Applications 554510 652/KOL/2008 Shri.S. Vynatheya Dr. S. Seetharamu Shri. Ramakrishna
6 Successive Cooling Method To Reduce Global Warming 549051 (201741008939) Mr. T. Mallikarjuna Rao
7 Simulated particle impact Erosion system for Grading Thermal Power Plant tube materials and coatings. 539831 (201941018786) Dr. R.K.Kumar, Dr.V.Saravanan, Shri. M.Janardhana, Dr. GSVL Narasimham, IISc, Bengaluru
8 Scooping Device for Extracting Miniature Samples from Metallic Materials 538213 (202041010243 Dr. M.V.Rao Mr. Kishore kumar Dr. Shekar Kumar Mr. R.K.Swamy M/s. Veltech Engineers, Hyderabad
9 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 533455 201741011818 Dr. Amit Jain Mr. James Ranjith Kumar
10 Simulation Silt Erossion System For Grading Hydro Power Plant Material And Coatings 526235 201741042935 Dr.R.K.Kumar Dr.Saravanan Dr.Shekar Kumar Mr.Pramode
11 Temperature and Sag Measurement Sensor Fitted Directly on Live High Tension Powerlines 521710 201641011300 Dr.J.Sundara Rajan , Shri Atulya Mishra Shri.Mohan.S.Devekar (Late)
12 A Process for the Preparation of Graphene Coated CNT Modified Mullitic Hollow Spheres 516057 1711/CHE/2014 Shri. S.Vynatheya Dr.M. Shekar Kumar Dr.S.Seetharamu Dr.Parvati Ramaswamy
13 An inspection method for characterization of surface breaking inclined crack based on Ultrasonic Time of Flight Diffraction 510693 (102/KOL/2010) Dr. S.K. Nath Shri.B.H.Narayana Dr.Krishnan Bala Subbramaniam,IIT Chennai, Dr.C.V. Krishnamurthy, IIT Chennai.
14 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 499634 (410/KOL/2014) M Siddhartha Bhatta
15 Novel Polymer Composite Material for EMI Shielding of Electronic Systems/ Circuits 496460 (201641011481) Kum.Kavya.M Dr.R.R.N.Sailaja Kum.Rashmi Dr.J.Sundara Rajan
16 High Temperature Erossion Test Ring System Resistence Of Metal 486131 (201841004673) Dr.R.K.Kumar Mr.Janardhana Dr. V.Saravanan Dr.Shekar Kumar Raghavendra Naik
17 Secondary Air Pre-Heater for heating air to 800-1000 Centigrade in drop tube reactor systems 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
18 A novel device for water conservation and use of solar water heaters (SWH) in multi storeyed buildings 463340 (358/KOL/2015) M Siddhartha Bhatta
19 A Composition of Silicone Rubber (SIR) and Filler Materials for Long Term Performance of High Voltage Insulators 460425 (2913/CHE/2015) Dr.N.Vasudev Smt.S.Ganga
20 Rotating water cooled ash deposition system to determine the deposition characteristics of the ash particles generated in a Drop Tube Reactor (DTR) system 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
21 Dielectric mineral oil based nanofluids for transformers. 454359 (201841034834) Dr.P. Thomas
22 Sensor System Replicating and Monitoring Formation of CuxS in High Voltage Power Transformer 445481 (201641018693) Dr.J.Sundara Rajan Shri.Mohan.S.Divekar Kum.Daisy Flora
23 Green Insulating Fluids For Transformer Application: A Non-Edible Vegetable Oil” 443364 (202141053865 (23.11.2021)) Dr. Dhorali Gnanasekaran, Dr. Chavidi Venkata Prasad
24 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 437812 (355/KOL/2015) M Siddhartha Bhatta
25 A Composition of polydopamine grafted nano alumina based silicone rubber nanocomposite for high voltage insulation 430971 (202241031333 (01.06.2022)) Mrs. Ashitha N Mrs. Meena K P
26 An apparatus and method to monitor inlet and exit Parametric conditions of steam in a thermal heating system to achieve optimal efficiency 426426 (382/KOL/2012) M Siddhartha Bhatt
27 Intelligent forecaster for composite electric heater load on grid 423719 (349/KOL/2013) M Siddhartha Bhatta
28 Load flow Models for Generators for Power Sub-Transmission and Distribution 422964 (351/KOL/2015) Dr.Amit Jain, Shri.James Ranjith Kumar
29 A Smart Air Handling Unit (AHU) for Efficient Operation of Centralized Air Conditioning Systems with lower power consumption 417425 765/KOL/2014 M Siddhartha Bhatta Shri.S.Jothi Basu
30 Multi-Jet Type High Velocity Silt Erosion Apparatus 415685 (377/KOL/2012) M.Janardhana, R.K.Kumar, Dr.p.Sampathkumaran, Dr. S. Seetharamu
31 An apparatus for on-line measuring of operating efficiency of deep well or bore well-motors in-situ 414572 (383/KOL/2012) M Siddhartha Bhatt
32 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 413136 (378/KOL/2012) V.Saravanan, R.K.Kumar, Dr. S. Seetharamu
33 A Scheme for Switching of Multiple Shunt Reactors for Testing of LV Power Capacitors 407041 (380/KOL/2012) Shri. Vaidhyanathan, Dr.H.N.Nagamani
34 A Device for Thermo-Mechanical Pre- Stressing of Metal Oxide Surge Arrester 403435 (31/KOL/2014) K.Karunakara M.Kanyakumari Dr.N.Vasudev Dr.R.S.Shivakumara Aradhya
35 An Condenser Device for Cooling Transformer Oil and Converting Heat Energy of Transformer Oil into Electricity 403340 (1020/KOL/2014) Shri.T.Mallikharjuna Rao
36 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 399502 (201641033690) Dr.N.Vasudev Shri.S.Sudalai Shunmugam
37 A Robotic Crawler System Operable under LFET To Conduct Automated Boiler Water Wall Tubes Inspection 397523 (379/KOL/2012) M.Janardhana R.K.Kumar Dr.p.Sampathkumaran Dr. S. Seetharamu
38 An apparatus and a process for optimizing performance of a heat exchanger system 394764 (364/KOL/2010) M Siddhartha Bhatt
39 Metal Carbide Coated Electrodes for DC inclined Plane Tracking Test 394433 (201641011486) Smt.S.Ganga
40 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 388667 (201641011344) Shri.T.A.Praveen Dr.R.R.N.Sailaja Dr.J.Sundara Rajan
41 System for controlling Operation of Hybrid Battery Bank in burst power and base power mode 386321 (201741009033) Mr. M. Siddartha Bhatta
42 A constant Pressure Gas Holder System for mixing Explosive Gas-Air Mixtures in Volumetric Ratio at atmospheric pressure 380308 (1633/CHE/2014) Gujjala Balaraju
43 Creation of B-scan Image in Ultrasonic Complex Geometry Time of Flight Diffraction Inspection 380101 (201641011438) Dr.S.K.Nath Shri.Nilesh Bhajan Shri.Vaibav Borkar Shri.Bhavesh Bhojwani
44 Development Of Online Gas Extraction System For Dissolved Gases In Mineral Oils 379481 (201741007587) V.V. Pattanshetty
45 A Method for Synthesizing Ceramic Polymer Composites. 373913 (1641/CHE/2014) Dr.P.Thomas
46 Chamber for Administering Cold Primary and Hot Secondary Air to Drop Tube Reactor Systems 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
47 Nano-laddered sorbent type material for transformer oil reclamation 351435 (376/KOL/2012) Mr.V.V.Pattanshetti Mr.Kishore Kumar Dr.S.Seetharamu
48 Ash Micro-Spheres Based Thermal Insulation Refractory 350996 (568/KOL/2009) M.G. Anand Kumar Dr. S. Seetharamu
49 Development of Solid Matrix Reagent for De-chlorination of Poly Chlorinated Biphenyls (PCB) 341325 (201641011282) Shri.V.V.Pattanshetti
50 Nano-filled polymer based high performance novel thermo plastic composite material for dielectric applications 341300 (365/KOL/2012) Shri.V.V.Pattanshetti Dr.S.Seetharamu
51 A Process for Synthesizing Carbon Nano Tubes (CNT’s) Modified Nano – Mullitic Hollow Spheres 336720 (1713/CHE/2014) S.Vynatheya Dr.M. Shekar Kumar Dr.S.Seetharamu Dr.Parvati Ramaswamy
52 Intelligent Air Conditioner Controller 331767 (626/KOL/2008) M Siddhartha Bhatta
53 An improved water/nitrogen dual cooled probe system for collecting burnt sample particles at various elevations inside drop tube furnace 330014 (381/KOL/2012) Dr. V.Saravanan Dr. R.K.Kumar Dr. S. Seetharamu
54 Pulverised coal ash based granules through low energy route for filler applications 328643 (1466/KOL/2013) M.G.Ananda Kumar Dr.M.Shekhar Kumar Dr.S.Seetharamu
55 Fly ash Cenosphere composites for sanitation applications 324627 (707/KOL/2013) Dr.M.Shekhar Kumar T.R.Venkatesh Dr.S.Seetharamu
56 Microwave sintered coal ash based granules for filler applications 323686 (1213/KOL/2013) M.G.Ananda Kumar Dr.S.Seetharamu
57 A novel method for synthesis of dawsonite from fly ash 315960 (706/KOL/2013) Dr.M.Shekhar Kumar K.Surynarayanana Dr.S.Seetharamu
58 A System for Measuring Thermal Energy Gained by a Water Storage Tank 287873 (1437/CHE/2006) Shri.R.Sudhir Kumar Shri.N.Rajkumar M Siddhartha Bhatt
59 A Curing Agent for Epoxy Resin 283144 (1895/CHE/2006) Dr. P.V. Reddy
60 Time Synchronizing Unit for continuously monitoring Electrical Substations 251180 (484/CHE/2003) Shri.V.Shivakumar Shri. V. Arunachalam Shri.V.N.Nandakumar Dr.B.N.Sarkar
61 Radio Based Centralized Control System For Electrical Loads 247111 (485/CHE/2003) Shri.V.Shivakumar Shri. V. Arunachalam Shri.V.N.Nandakumar Dr.B.N.Sarkar
62 An Apparatus For Flow Simulation For Measurement Of Pulverized Particle Mass Flow 240681 Shri.B.H.Narayana M Siddhartha Bhatt
63 Stabilized Zirconia Plasma Sprayable Powder and Industrial Process for Its Manufacture 229939 (1284/CHE/2005) Dr.Parvati Ramaswamy Dr.S.Seetharamu Mr.S.Vynatheya
64 A Flame Retardant Composition for Cable Applications 234791 (301/CHE/2004) Dr.P.V.Reddy
65 An Apparatus and a Method for Optimum Extraction Of Dissolved Gas in Mineral / Synthetic Oil 236822 (300/CHE/2004) Shri.R. Panner Selvam Shri.D. Ravindra Shri.H.C. Kashavamurthy Shri.G.R.Viswanath
66 Condensate Depression Monitor 198941 Shri.R.Sudhir Kumar M Siddhartha Bhatt
67 Card Operated Pre-Paid Energy Meter using Novel Card Reading Technique 198927 Smt.Jothy Gopalakrishnan Shri.A.R.Ravi Kumar Shri.V.N.Nanda Kumar Dr.B.N.Sarkar
68 Development Of Digital Techniques For Measurement Of Resistive Leakage Current In Zinc Oxide Arrester 201476 Dr. R. S. Shivakumara aradhya Dr.Pradeep m. nirgude Dr. Channakeshava
69 Flame Retardant Low Smoke Compound Based On PVC For Cable Application 201478 Dr.P.V.Reddy
70 A Digital Device For Measurement Of Resistive Leakage Current Of Zinc Oxide Arresters 201476 Dr. R. S. Shivakumara Aradhya Pradeep M. Nirgude Dr. Channakeshava
71 Development of Latent Accelerator Based On Metal Chelates for Faster Curing of Epoxy Resin System 181043 M/s. Central Power Research Institute
72 Synthesis Of Capacitor Liquid Dielectric From Rapeseed Oil 182271 M/s. Central Power Research Institute
73 New Aluminium Conductors for Coastal Application 179042 Dr.P.R. Krishnamoorthy
74 Hand Held Capacitance Detector 181110 M/s. Central Power Research Institute
75 Spherical Electrode AC Digital Field Strength Meter 181132 M/s. Central Power Research Institute
76 A process for the manufacture of Fly ash based ceramic wall tile Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
77 A Process for the manufacture of Fly ash based ceramic floor tiles Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
78 A Process for the manufacture of Fly ash based ceramic acid resistant Bricks/Tiles Dr. P.R. Krishnamoorthy Dr. B.K. Chaturvedi
79 Zirconia Based Ceramic Spray Powder For Plasma 181225 Smt.Parvati Ramaswamy Shri.B.H.Narayana
80 Fluidised Beta Multi-Fuel Updraft Biomass Gasifier 179425 M/s. Central Power Research Institute
81 Field Oriented Control of Synchronous Motor for Variable Speed Operation 172072 M/s. Central Power Research Institute
82 Lightning Arrester Field Test Kit M/s. Central Power Research Institute

S.No Application Title Award Year Patent Number Inventors Name
1 “Method for determining the state of health of transformer using SFRA measurements”. 202341032039 Sri. Sreeram V, Sri. Rajkumar M, Sri, Sudhakara Reddy S, Sri. T Gurudev, Sri. Maroti,
2 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment 202041006904 18/02/2020 Dr.N.Vasudev Mr. S Sudalai Shunmugam
3 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 201841022717 Mr. T.Mallikharjuna Rao
4 An improved heat pipe forming a condenser with reduced number of pipes and effectively condensing steam in steam cycled based power plates 350/KOL/2013 T.Mallikhrjuna Rao
5 Sun Stroke Master 348/KOL/2013 M Siddhartha Bhatta
6 An erosion resistant steel for underwater components of Turbine Hydro generators and Process for producing the same 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.
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