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Home Patents
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Patents

PATENTS



(A) GRANTED PATENT APPLICATIONS
Sl.No Application Title Award Year and patent number Inventors Name

1

Lightning Arrester Field Test Kit

1970

M/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

25

A novel method for synthesis of dawsonite from fly ash

July 2019
315960

Dr.M.Shekhar Kumar
K.Surynarayanana
Dr.S.Seetharamu

26

Fly ash Cenosphere composites for sanitation applications

November 2019
324627

Dr.M.Shekhar Kumar
T.R.Venkatesh
Dr.S.Seetharamu

27

Pulverised coal ash based granules through low energy route for filler applications

December 2019

328643

M.G.Ananda Kumar
Dr.M.Shekhar Kumar
Dr.S.Seetharamu

28

An improved water/nitrogen dual cooled probe system for collecting burnt sample particles at various elevations inside drop tube furnace

January 2020
330014

Dr. V.Saravanan
Dr. R.K.Kumar
Dr. S. Seetharamu

29

Intelligent Air Conditioner Controller

February 2020
331767

M Siddhartha Bhatta

30

A Process for Synthesizing Carbon Nano Tubes (CNT’s) Modified Nano – Mullitic Hollow Spheres

May 2020
336720

S.Vynatheya
Dr.M. Shekar Kumar
Dr.S.Seetharamu
Dr.Parvati Ramaswamy

31

Development of Solid Matrix Reagent for De-chlorination of Poly Chlorinated Biphenyls (PCB)

July 2020
341325

Shri.V.V.Pattanshetti

32

Nano-filled polymer based high performance novel thermo plastic composite material for dielectric applications

July 2020
341300

Shri.V.V.Pattanshetti
Dr.S.Seetharamu

(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 2005CH. Rabi Kumar
4 Thermal Barrier Coatings From Fly Ash Derived Cenospheres 208/CHE/2006 February 2006A.Muruthi Prasad
5 Composition for Polymeric High Voltage Insulators for Outdoor Applications 209/CHE/2006 8.2.2006Dr.P.V. Reddy
A.Muruthi Prasad
6 A Device for Carrying out Inspection Inside a Shaft Rotor Bore 1482/CHE/2006 21.08.2006Shri.CH. Rabi Kumar
7 Nitrogen Hetero Cycle as an Accelerator for Curing of Epoxy Resin System 1895/CHE/2006 12.10.2006Dr.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 Hot Blended Waste Particulate Fillers With Inorganic Catalyzed Disperse Phase 651/KOL/2008 31.3.2008Shri.S. Vynatheya
Shri.P. Suryanarayana
Dr. S. Seetharamu
10 Multilayer Nanomullite – Alumina Coatings For Wear And Erosion Resistance Applications 652/KOL/2008 31.3.2008Shri.S. Vynatheya
Dr. S. Seetharamu
Shri.K. Suryanarayana
Shri. Ramakrishna
11 A method to produce Silica Rich Soil Nutrient Support Material Obtained Through Dry Ash Beneficiation 567/KOL/2009 31.3.2009Smt.M.G.Sumangala
Shri. P.Sampath Kumar
M.G. Anand Kumar
Dr. S. Seetharamu
12 Ash Micro-Spheres Based Thermal Insulation Refractory 568/KOL/2009 31.3.2009Smt.M.G.Sumangala
Shri. P.Sampath Kumar
M.G. Anand Kumar
Dr. S. Seetharamu
13 A natural convection cryogenic cooling system for a superconducting Transformer 2750/MUM/2009 27.11.2009M/s.Emco Limited
M/s.Central Power Reserch Institute(CPRI)
14 An inspection method for characterization of surface breaking inclined crack based on Ultrasonic Time of Flight Diffraction 102/KOL/2010 3.2.2010Dr. S.K. Nath
Shri.B.H.Narayana
Dr.Krishnan Bala Subbramaniam,IIT Chennai,
Dr.C.V. Krishnamurthy, IIT Chennai.
15 An apparatus and a process for optimizing performance of a heat exchanger system 364/KOL/2010 31.3.2010M Siddhartha Bhatt
16 A Process For Producing Polymer Composites With Marble Dust 455/KOL/2011 31.3.2011Dr. M. Shekhar Kumar
Shri.K. Suryanarayana
Dr. S. Seetharamu
17 A Process For Producing Polymer Composites For Beneficiated Fly Ash 456/KOL/2011 31.3.2011Dr. M. Shekhar Kumar
Shri.K. Suryanarayana
Dr. S. Seetharamu
18 An erosion resistant steel for underwater components of Turbine Hydro generators and Process for producing the same 2653/DEL/2011 14.09.20111. Council of Scientific and Industrial Research.
2. Central Power Research Institute.
3. National Hydro Power Corporation Limited.
4. Satluj Jal Vidyut Nigam Limited.
19 A modular rod type resistive superconductor fault current limiter equipment and assembly under NPP project 3024/MUM/2011 25.10.20111.M/s.Crompton Greaves Limited
2. M/s.Central Power Research Institute
20 A modular plate type resistive superconductor fault current limiter equipment and assembly under NPP project 3025/MUM/2011 25.10.20111.M/s.Crompton Greaves Limited
2. M/s.Central Power Research Institute
21 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 02.04.2012Dr.H.N.Nagamani
Shri. Vaidhyanathan
22 An apparatus for on-line measuring of operating efficiency of deep well or bore well-motors in-situ 383/KOL/2012 02.04.2012M Siddhartha Bhatt
23 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 02.04.2012M Siddhartha Bhatt
24 A high temperature secondary pre-heating system to determine the combustion reactivity of pulverized fuel particles in drop tube furnace 378/KOL/2012 02.04.2012V.Saravanan
R.K.Kumar
Dr. S. Seetharamu
25 A robotic crawler system operable under LFET to conduct automated corrosion mapping of boiler water wall tubes 379/KOL/2012 02.04.2012M.Janardhana
R.K.Kumar
Dr.p.Sampathkumaran
Dr. S. Seetharamu
26 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 02.04.2012M.Janardhana
R.K.Kumar
Dr.p.Sampathkumaran
Dr. S. Seetharamu
27 Nano-laddered sorbent type material for transformer oil reclamation 376/KOL/2012 02.04.2012Mr.V.V.Pattanshetti
Mr.Kishore Kumar
Dr.S.Seetharamu
28 Sun Stroke Master 348/KOL/2013 28.03.2013M Siddhartha Bhatta
29 Intelligent forecaster for composite electric heater load on grid 349/KOL/2013 28.03.2013M Siddhartha Bhatta
30 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 28.03.2013T.Mallikhrjuna Rao
31 Microwave sintered coal ash based granules for filler applications 1213/KOL/2012 25.10.2013 M.G.Ananda Kumar
Dr.S.Seetharamu
32 Thermo-Mech Loader for Surge Arrester 31/KOL/2014 08.01.2014 K.Karunakara
M.Kanyakumari
Dr.N.Vasudev
Dr.R.S.Shivakumara Aradhya
33 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
34 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
35 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 410/KOL/2014 28.03.2014 M Siddhartha Bhatta
36 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
37 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
38 Ceramic Embedded Polymer Composites Which Exhibit High Dielectric Constant 1641/CHE/2014 27.03.2014 Dr.P.Thomas
39 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 355/KOL/2015 27.03.2014 M Siddhartha Bhatta
40 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
41 A Quadratic solution based method to handle fluctuations of bus voltage inconstant impedance constant current and constant power (zip) load 351/KOL/2015 30.03.2015Dr.Amit Jain
Shri.James Ranjith Kumar
42 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
43 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
44 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
45 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
46 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
47 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
48 Metal carbide coated electrodes for DC inclined plane tacking test 201641011486 31.03.2016 Smt.S.Ganga
49 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
50 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
51 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
52 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 201641033690 03.10.2016 Dr.N.Vasudev
Shri.S.Sudalai Shunmugam
53 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
54 Successive Cooling Method To Reduce Global Warming 201741008939 15-03-2017 Mr. T. Mallikarjuna Rao
55 A Novel Battery Management System For Base Cum Burst Power Supply 201741009033 16-03-2017 Mr. M. Siddartha Bhatta
56 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 201741011818 31-03-2017 Dr. Amit Jain
Mr. James Ranjith Kumar
57 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
58 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
59 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
60 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
61 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 201841022717 16/10/2017 Mr. T.Mallikharjuna Rao
62 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment Patent Application number awaited 15/02/2018 Dr.N.Vasudev
Mr. S Sudalai
Shunmugam
63 Synthetic Ester Based Nanofluids for Transformer Insulation. Patent Application number awaited 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
64 Dielectric mineral oil based nanofluids for transformers. 201841034834 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
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