Skip to main content
 
  • Home
  • About CPRI
  • Journals
  • Credentials
  • Contact Us
  • Events
  • Tenders
  • Careers

Central Power Research Institute
Central Power Research Institute
Select Theme Blue Theme Orange Theme Green Theme
Central Power Research Institute Central Power Research Institute    Central Power Research Institute

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player
   Hindi
  • Home
  • About Us
    • Management
      • Governing Council
      • Standing Committee
      • Testing & Certification Committee
      • Standing Committee on Research Development
      • Technical Committee on Research Development
      • Governing Council
      • Standing Committee
      • Standing Committee on Research Development
      • Committee on Testing and Certification
      • Testing And Certification Committee
    • About CPRI
    • Mission & Values
    • Management
    • Bye Laws
    • Facts & Figures
    • Annual Report
    • Departments / Units
    • Credentials
    • Citizen Charter
    • News Letter
    • CPRI Facilities Booklet
    • CPRI Telephone Directory
    • Departments / Units
  • R & D Schemes
    • Capital Scheme
      • Capital Schemes of CPRI Under XI Plan
      • Capital Schemes of CPRI Under XII Plan
    • Research Scheme
      • In-House R&D (IHRD)
      • Research Scheme On Power (RSoP)
        • RSoP Project Details & FAQ's
        • List of Ongoing RSoP Projects
        • List of Completed Projects
        • List of RSoP Formats
        • RSOP's Technical Reports
        • List of New RSOP Projects
      • National Perspective Plans (NPP)
        • NPP Manual - Guideline & Application format
        • An overview of National Perspective Plan (NPP)
        • NPP projects approved for taking up during 2011
        • NPP project details
      • XII Plan
      • Working Group Report on Power(12th Plan-R&D)
      • VTU Research Centre
        • 2013-2014
        • 2014-2015
      • Post-Doctoral Fellowships
      • Scholarship Scheme for PG Students
      • Scheme of Visiting Experts
      • Post Graduate
    • Sponsored Research
    • Thrust Areas in Power
    • Completed R&D Projects
    • Research Scheme
  • Testing & Certification
    • Transformers & Reactors
    • Switchgear & Control Gear
    • Cables & Conductors
    • Panels& Bus Duct
    • Capacitors
    • Towers & Accessories
    • Lightening Arrestors
    • Insulators
    • Dielectrics
    • Materials
    • Meters /Relays
    • Renewable Energy Products
    • Electric Appliances
    • Any Other
    • Terms & Conditions
    • Discount on Test Charges
    • Testing duration and Lead time
  • Consultancy Services
    • Generation
    • Transmission
    • Distribution
    • Utilization
    • Other Services
      • Third Party Inspection
  • Vigilance
    • Roles & Functions
    • Online Complaint
    • Purchase & CED Reports
    • Orders & Circulars
    • Contact Vigilance Cell
    • Orders & Circulars
  • Products Tested
    • About Test Reports
  • Test Date Availability
  • Employees Corner
    • Administrative
    • Accounts
    • Procurement
    • Others
  • Test Report Verification
  • Employees Profile
    • All Employees List
    • Officers List/Who's Who
    • Annual Immovable Property Returns
  • Online Test Booking
  • Public Grievance
  • About Pensioners
 
 
Home Patents
Plug-in: Acrobat Reader  Print

Patents

PATENTS



(A) GRANTED PATENT APPLICATIONS
Sl.No Application Title Award Year and patent number Inventors Name
1 Lightning Arrester Field Test Kit 1970M/s. Central Power Research Institute
2 Field Oriented Control of Synchronous Motor for Variable Speed Operation 1994
(172072)		M/s. Central Power Research Institute
3 Fluidised Beta Multi-Fuel Updraft Biomass Gasifier 1994
(179425)		 M/s. Central Power Research Institute
4 New Aluminium Conductors for Coastal Application 1999
(179042)		 Dr.P.R. Krishnamoorthy
5 Hand Held Capacitance Detector 1999
(181110) 		M/s. Central Power Research Institute
6 Spherical Electrode AC Digital Field Strength Meter 1999
(181132) 		M/s. Central Power Research Institute
7 A process for the manufacture of Fly ash based ceramic wall tile 1999  Dr. P.R. Krishnamoorthy
Dr. B.K. Chaturvedi
8 A Process for the manufacture of Fly ash based ceramic floor tiles 1999 Dr. P.R. Krishnamoorthy
Dr. B.K. Chaturvedi
9 A Process for the manufacture of Fly ash based ceramic acid resistant Bricks/Tiles 1999  Dr. P.R. Krishnamoorthy
Dr. B.K. Chaturvedi
10 Development of Latent Accelerator Based On Metal Chelates for Faster Curing of Epoxy Resin System 2000
(181043)		 M/s. Central Power Research Institute
11 Zirconia Based Ceramic Spray Powder For Plasma 1999
(181225)		 Smt.Parvati Ramaswamy Shri.B.H.Narayana
12 Synthesis Of Capacitor Liquid Dielectric From Rapeseed Oil 2000
(182271)		 M/s. Central Power Research Institute
13 A Digital Device For Measurement Of Resistive Leakage Current Of Zinc Oxide Arresters 2005
(201476) 		Dr. R. S. Shivakumara Aradhya
Pradeep M. Nirgude
Dr. Channakeshava
14 Condensate Depression Monitor 2006
(198941)		Shri.R.Sudhir Kumar
M Siddhartha Bhatt
15 Card Operated Pre-Paid Energy Meter using Novel Card Reading Technique 2006
(198927)		 Smt.Jothy Gopalakrishnan
Shri.A.R.Ravi Kumar
Shri.V.N.Nanda Kumar
Dr.B.N.Sarkar
16 Development Of Digital Techniques For Measurement Of Resistive Leakage Current In Zinc Oxide Arrester 2006
(201476)		 Dr. R. S. Shivakumara aradhya
Dr.Pradeep m. nirgude
Dr. Channakeshava
17 Flame Retardant Low Smoke Compound Based On PVC For Cable Application 2006
(201478)		 Dr.P.V.Reddy
18 Stabilized Zirconia Plasma Sprayable Powder and Industrial Process for Its Manufacture 2009
(229939)		 Dr.Parvati Ramaswamy
Dr.S.Seetharamu
Mr.S.Vynatheya
19 A Flame Retardant Composition for Cable Applications 2009
(234791)		Dr.P.V.Reddy
20 An Apparatus and a Method for Optimum Extraction Of Dissolved Gas in Mineral / Synthetic Oil 2009
(236822)		 Shri.R. Panner Selvam
Shri.D. Ravindra
Shri.H.C. Kashavamurthy
Shri.G.R.Viswanath
21 An Apparatus For Flow Simulation For Measurement Of Pulverized Particle Mass Flow 25.5.2010
(240681)		 Shri.B.H.Narayana
M Siddhartha Bhatt
22 Radio Based Centralized Control System For Electrical Loads 28.3.2011
(247111) 		Shri.V.Shivakumar
Shri. V. Arunachalam
Shri.V.N.Nandakumar
Dr.B.N.Sarkar
23    Time Synchronizing Unit for continuously monitoring Electrical Substations (Size : 58.6 KB, PDF file) 29.2.2012
(251180)		 Shri.V.Shivakumar
Shri. V. Arunachalam
Shri.V.N.Nandakumar
Dr.B.N.Sarkar
24 A Curing Agent for Epoxy Resin May 2017
(283144) 		Dr. P.V. Reddy


(B) PATENT APPLICATIONS UNDER PROCESS
Sl.No Patent title Patent Appliation number Date of filing Inventors Name
1 A Standalone Stored Time Based Electrical Load Controller 486/MAS/2003  June2003Shri.V. Shivakumar
Shri. V. Arunachalam
Shri. V. N. Nandakumar
Dr, B. N. Sarkar
2 PVC based FRLS material using sulfate glass composition for cable insulation & sheathing applications 366/CHE/05  April 2005Dr.P.V. Reddy,
Shri.D.Jaichand
Managing Director,
M/s Farcom Cable Systems Pvt Ltd,
Annchepalya, Mysore Road,
Bengaluru 560074
3 Device for Measuring Internal Diameter/Dimensions Of Hollow Cylindrical Spherical Shells 605/CHE/2005  May 2005 CH. Rabi Kumar
4 Thermal Barrier Coatings From Fly Ash Derived Cenospheres 208/CHE/2006 February 2006 A.Muruthi Prasad
5 Composition for Polymeric High Voltage Insulators for Outdoor Applications 209/CHE/2006 8.2.2006 Dr.P.V. Reddy
A.Muruthi Prasad
6 A Device for Carrying out Inspection Inside a Shaft Rotor Bore 1482/CHE/2006 21.08.2006 Shri.CH. Rabi Kumar
7 Nitrogen Hetero Cycle as an Accelerator for Curing of Epoxy Resin System 1895/CHE/2006 12.10.2006 Dr.P.V. Reddy
A.Muruthi Prasad
8 A System for Measuring Thermal Energy Gained by a Water Storage Tank 1437/CHE/2006 14.8.2006  Shri.R.Sudhir Kumar
Shri.N.Rajkumar
M Siddhartha Bhatt
9 Intelligent Air Conditioner Controller 626/Kol/2008 28.3.2008 M Siddhartha Bhatt
10 Hot Blended Waste Particulate Fillers With Inorganic Catalyzed Disperse Phase 651/KOL/2008 31.3.2008 Shri.S. Vynatheya
Shri.P. Suryanarayana
Dr. S. Seetharamu
11 Multilayer Nanomullite – Alumina Coatings For Wear And Erosion Resistance Applications 652/KOL/2008 31.3.2008 Shri.S. Vynatheya
Dr. S. Seetharamu
Shri.K. Suryanarayana
Shri. Ramakrishna
12 A method to produce Silica Rich Soil Nutrient Support Material Obtained Through Dry Ash Beneficiation 567/KOL/2009 31.3.2009 Smt.M.G.Sumangala
Shri. P.Sampath Kumar
M.G. Anand Kumar
Dr. S. Seetharamu
13 Ash Micro-Spheres Based Thermal Insulation Refractory 568/KOL/2009 31.3.2009 Smt.M.G.Sumangala
Shri. P.Sampath Kumar
M.G. Anand Kumar
Dr. S. Seetharamu
14 A natural convection cryogenic cooling system for a superconducting Transformer 2750/MUM/2009 27.11.2009 M/s.Emco Limited
M/s.Central Power Reserch Institute(CPRI)
15 An inspection method for characterization of surface breaking inclined crack based on Ultrasonic Time of Flight Diffraction 102/KOL/2010 3.2.2010 Dr. S.K. Nath
Shri.B.H.Narayana
Dr.Krishnan Bala Subbramaniam,IIT Chennai,
Dr.C.V. Krishnamurthy, IIT Chennai.
16 An apparatus and a process for optimizing performance of a heat exchanger system 364/KOL/2010 31.3.2010 M Siddhartha Bhatt
17 A Process For Producing Polymer Composites With Marble Dust 455/KOL/2011 31.3.2011 Dr. M. Shekhar Kumar
Shri.K. Suryanarayana
Dr. S. Seetharamu
18 A Process For Producing Polymer Composites For Beneficiated Fly Ash 456/KOL/2011 31.3.2011 Dr. M. Shekhar Kumar
Shri.K. Suryanarayana
Dr. S. Seetharamu
19 An erosion resistant steel for underwater components of Turbine Hydro generators and Process for producing the same 2653/DEL/2011 14.09.2011 1. Council of Scientific and Industrial Research.
2. Central Power Research Institute.
3. National Hydro Power Corporation Limited.
4. Satluj Jal Vidyut Nigam Limited.
20 A modular rod type resistive superconductor fault current limiter equipment and assembly under NPP project 3024/MUM/2011 25.10.2011 1.M/s.Crompton Greaves Limited
2. M/s.Central Power Research Institute
21 A modular plate type resistive superconductor fault current limiter equipment and assembly under NPP project 3025/MUM/2011 25.10.2011 1.M/s.Crompton Greaves Limited
2. M/s.Central Power Research Institute
22 A device scheme for switching of multiple shunt reactor banks for conducting testing of Low Voltage (LV) Power Capacitors in electrical distribution systems 380/KOL/2012 02.04.2012 Dr.H.N.Nagamani
Shri. Vaidhyanathan
23 An apparatus for on-line measuring of operating efficiency of deep well or bore well-motors in-situ 383/KOL/2012 02.04.2012 M Siddhartha Bhatt
24 An apparatus and method to monitor inlet and exit Parametric conditions of steam in a thermal heating system to achieve optimal efficiency 382/KOL/2012 02.04.2012 M Siddhartha Bhatt
25 An improved water/nitrogen dual cooled probe system for collecting burnt sample particles at various elevations inside drop tube furnace 381/KOL/2012 02.04.2012 V.Saravanan
R.K.Kumar
Dr. S. Seetharamu
26 A high temperature secondary pre-heating system to determine the combustion reactivity of pulverized fuel particles in drop tube furnace 378/KOL/2012 02.04.2012 V.Saravanan
R.K.Kumar
Dr. S. Seetharamu
27 A robotic crawler system operable under LFET to conduct automated corrosion mapping of boiler water wall tubes 379/KOL/2012 02.04.2012 M.Janardhana
R.K.Kumar
Dr.p.Sampathkumaran
Dr. S. Seetharamu
28 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 377/KOL/2012 02.04.2012 M.Janardhana
R.K.Kumar
Dr.p.Sampathkumaran
Dr. S. Seetharamu
29 Nano-laddered sorbent type material for transformer oil reclamation 376/KOL/2012 02.04.2012 Mr.V.V.Pattanshetti
Mr.Kishore Kumar
Dr.S.Seetharamu
30 Nano-filled polymer based high performance novel thermo plastic composite material for dielectric applications 365/KOL/2012 30.03.2012 Mr.V.V.Pattanshetti
Dr.S.Seetharamu
31 Sun Stroke Master 348/KOL/2013 28.03.2013 M Siddhartha Bhatta
32 Intelligent forecaster for composite electric heater load on grid 349/KOL/2013 28.03.2013 M Siddhartha Bhatta
33 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 28.03.2013 T.Mallikhrjuna Rao
34 Fly ash cenosphere composites for sanitation applications 707/KOL/2013 13.6.2013 Dr.M.Shekhar Kumar
T.R.Venkatesh
Dr.S.Seetharamu
35 A novel method for synthesis of dawsonite from fly ash 706/KOL/2013 13.6.2013 Dr.M.Shekhar Kumar
K.Surynarayanana
Dr.S.Seetharamu
36 Microwave sintered coal ash based granules for filler applications 1213/KOL/2012 25.10.2013  M.G.Ananda Kumar
Dr.S.Seetharamu
37 Pulverised coal ash based granules through low energy route for filler applications 1466/KOL/2013 30.12.2013  M.G.Ananda Kumar
Dr.M.Shekhar Kumar
Dr.S.Seetharamu
38 Thermo-Mech Loader for Surge Arrester 31/KOL/2014 08.01.2014  K.Karunakara
M.Kanyakumari
Dr.N.Vasudev
Dr.R.S.Shivakumara Aradhya
39 A constant Pressure Gas Holder System for mixing Explosive Gas-Air Mixtures in Volumetric Ratio at atmospheric pressure for conducting the flame proof/ explosion proof/ test of electrical equipment operable in Hazardous zones 1633/CHE/2014 27.03.2014  Gujjala Balaraju
40 A Smart Air Handling Unit (AHU) for Efficient Operation of Centralized Air Conditioning Systems with lower power consumption 765/KOL/2014 17.07.2014  M Siddhartha Bhatta
Shri.S.Jothi Basu
41 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 410/KOL/2014 28.03.2014  M Siddhartha Bhatta
42 An Improved Condenser Device for Cooling Transformer Oil and Converting Heat Energy of Transformer Oil into Electricity 412/KOL/2014 28.03.2014  Shri.T.Mallikharjuna Rao
43 A Process for the Preparation of Graphene Coated CNT Modified Mullitic Hollow Spheres 1711/CHE/2014 31.03.2014  Shri. S.Vynatheya
Dr.M. Shekar Kumar
Dr.S.Seetharamu
Dr.Parvati Ramaswamy
44 A Process for Synthesizing Carbon Nano Tubes (CNT’s) Modified Nano – Mullitic Hollow Spheres 1713/CHE/2014 31.03.2014  Shri. S.Vynatheya
Dr.M. Shekar Kumar
Dr.S.Seetharamu
Dr.Parvati Ramaswamy
45 Ceramic Embedded Polymer Composites Which Exhibit High Dielectric Constant 1641/CHE/2014 27.03.2014  Dr.P.Thomas
46 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 355/KOL/2015 27.03.2014  M Siddhartha Bhatta
47 A novel device for water conservation and use of solar water heaters (SWH) in multi storeyed buildings 358/KOL/2015 30.03.2015  M Siddhartha Bhatta
48 A Quadratic solution based method to handle fluctuations of bus voltage inconstant impedance constant current and constant power (zip) load 351/KOL/2015 30.03.2015 Dr.Amit Jain
Shri.James Ranjith Kumar
49 Rotating water cooled ash deposition system to determine the deposition characteristics of the ash particles generated in a Drop Tube Reactor (DTR) system 366/KOL/2015 31.03.2015  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
50 Chamber for administering cold primary and hot secondary air to drop tube reactor system 368/KOL/2015 31.03.2015  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
51 Secondary Air Pre-Heater for heating air to 800-1000 Centigrade in drop tube reactor systems 364/KOL/2015 31.03.2015  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
52 A Composition of Silicone Rubber (SIR) and Filler Materials for Long Term Performance of High Voltage Insulators 2913/CHE/2015 10.06.2015  Dr.N.Vasudev
Smt.S.Ganga
53 Temperature and Sag Measurement Sensor Fitted Directly on Live High Tension Powerlines 201641011300 31.03.2016  Shri,Atulya Mishra
Shri.Mohan.S.Devekar
Dr.J.Sundara Rajan
54 Novel Polymer Composite Material for EMI Shielding of Electronic Systems/ Circuits 201641011481 31.03.2016  Kum.Kavya.M
Dr.R.R.N.Sailaja
Kum.Rashmi
Dr.J.Sundara Rajan
55 Metal carbide coated electrodes for DC inclined plane tacking test 201641011486 31.03.2016  Smt.S.Ganga
56 A Novel HDPE Nano-Composite Using Multiwalled Carbon Nanotubes (MWCNT) & Nano-Silicon Dioxide (SIO2) wth Balanced Dielectric Mechanical & Flame Properties for Insulation Applications 201641011344 31.03.2016  Shri.T.A.Praveen
Dr.R.R.N.Sailaja
Dr.J.Sundara Rajan
57 Development of Solid Matrix Reagent for De-chlorination of Poly Chlorinated Biphenyls (PCB) 201641011282 31.03.2016  Shri.V.V.Pattanshetti
58 Creation of B-scan Image in Ultrasonic Complex Geometry Time of Flight Diffraction Inspection 201641011438 25.04.2016  Dr.S.K.Nath
Shri.Nilesh Bhajan
Shri.Vaibav Borkar
Shri.Bhavesh Bhojwani
59 Sensor System Replicating and Monitoring Formation of CuxS in High Voltage Power Transformer 201641018693 31.05.2016  Dr.J.Sundara Rajan
Shri.Mohan.S.Divekar
Kum.Daisy Flora
60 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 201641033690 03.10.2016  Dr.N.Vasudev
Shri.S.Sudalai Shunmugam
61 Development Of Online Gas Extraction System For Dissolved Gases In Mineral Oils 201741007587 03-03-2017  Shri.R. Panner Selvam
Shri.D. Ravindra
Shri.H.C. Kashavamurthy
Shri.G.R.Viswanath
62 Successive Cooling Method To Reduce Global Warming 201741008939 15-03-2017  Mr. T. Mallikarjuna Rao
63 A Novel Battery Management System For Base Cum Burst Power Supply 201741009033 16-03-2017  Mr. M. Siddartha Bhatta
64 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 201741011818 31-03-2017  Dr. Amit Jain
Mr. James Ranjith Kumar
65 Simulation Silt Erossion System For Grading Hydro Power Plant Material And Coatings 201741042935 30-11-2017  Dr.R.K.Kumar
Dr.Saravanan
Dr.Shekar Kumar
Mr.Pramode
66 High Temperature Erossion Test Ring System Resistence Of Metal 201841004673 03-08-2016  Dr.R.K.Kumar
Mr.Janardhana
Dr. V.Saravanan
Dr.Shekar Kumar
Raghavendra Naik
67 In-Situ Low Intrusive Material Scoop Device For Extration From Metalic Minerals Patent Application number awaited 27/04/2017  Dr. M.V.Rao
Mr.Kishore kumar
Dr. Shekar Kumar
Mr. R.K.Swamy
M/s. Veltech Engineers, Hyderabad
68 Development Of "Natural Easter Based Dielectric Fluids For Transformer Oil Applications" Patent Application number awaited 01/05/2017  Mr.V.V.Pattan Shetty
Mrs.Ann Pamla Cruze
69 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 201841022717 16/10/2017 Mr. T.Mallikharjuna Rao
70 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment Patent Application number awaited 15/02/2018 Dr.N.Vasudev
Mr. S Sudalai
Shunmugam
71 Synthetic Ester Based Nanofluids for Transformer Insulation. Patent Application number awaited 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
72 Dielectric mineral oil based nanofluids for transformers. 201841034834 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
Back Top

  • Queries
  • Feedback
  • Intranet
  • Photo gallery
  • Route map
  • Archives
  • Power Links
  • Tenders
  • Careers
  • Events
  • Sitemap
  • Holiday Calendar
© CPRI, India 2012. All rights reserved.
  • Copyright
  • Terms Of Use
  • Screen Reader
  • Help
Visitors No. 440588 || Last Updated : 22-May-2020
This Website belongs to Central Power Research Institute, Ministry of Power, Government of India       Website XHTML 1.0 Compliant       CPRI Website Quality Certificate
Contents on this website is published and managed by the Central Power Research Institute, Ministry of Power, Government of India.
For any query regarding this website please contact the Web Information Manager: cpriwebmaster@cpri.in

Site best viewed at 1024 x 768 resolution in I.E 7 or above, Mozilla 3.5 or above, Google Chrome 3 or above.