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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 System for Measuring Thermal Energy Gained by a Water Storage Tank

287873 Sep 2017
(1437/CHE/2006)

Shri.R.Sudhir Kumar
Shri.N.Rajkumar
M Siddhartha Bhatt

26

A novel method for synthesis of dawsonite from fly ash

July 2019
315960

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

27

Fly ash Cenosphere composites for sanitation applications

November 2019
324627

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

28

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

29

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

January 2020
330014
(381/KOL/2012)

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

30

Intelligent Air Conditioner Controller

February 2020
331767 (626/KOL/2008)

M Siddhartha Bhatta

31

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

May 2020
336720
(1713/CHE/2014)

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

32

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

July 2020
341325 (201641011282)

Shri.V.V.Pattanshetti

33

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

July 2020
341300 (365/KOL/2012)

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

34

Ash Micro-Spheres Based Thermal Insulation Refractory

November 2020
350996 (568/KOL/2009)

Dr. M.G.Anand Kumar
Dr. S.Seetharamu

35

Nano-laddered Sorbent type material for Transformer oil Reclamation

November 2020
351435(376/KOL/2012)

Shri.V.V.Pattanshetti
Mr.Kishore Kumar
Dr.S.Seetharamu

(B) PATENT APPLICATIONS UNDER PROCESS
Sl.No Patent title Patent Appliation number Date of filing Inventors Name
1 Hot Blended Waste Particulate Fillers With Inorganic Catalyzed Disperse Phase 651/KOL/2008 31.3.2008Shri.S. Vynatheya
Shri.P. Suryanarayana
Dr. S. Seetharamu
2 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
3 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
4 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.
5 An apparatus and a process for optimizing performance of a heat exchanger system 364/KOL/2010 31.3.2010M Siddhartha Bhatt
6 A Process For Producing Polymer Composites With Marble Dust 455/KOL/2011 31.3.2011Dr. M. Shekhar Kumar
Shri.K. Suryanarayana
Dr. S. Seetharamu
7 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
8 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.
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 Sun Stroke Master 348/KOL/2013 28.03.2013M Siddhartha Bhatta
18 Intelligent forecaster for composite electric heater load on grid 349/KOL/2013 28.03.2013M Siddhartha Bhatta
19 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
20 Microwave sintered coal ash based granules for filler applications 1213/KOL/2012 25.10.2013 M.G.Ananda Kumar
Dr.S.Seetharamu
21 Thermo-Mech Loader for Surge Arrester 31/KOL/2014 08.01.2014 K.Karunakara
M.Kanyakumari
Dr.N.Vasudev
Dr.R.S.Shivakumara Aradhya
22 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
23 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
24 An Energy Efficiency Optimizer System for Induced Draft Cooling Towers of Power Plants 410/KOL/2014 28.03.2014 M Siddhartha Bhatta
25 A METHOD OF COOLING TRANSFORMER OIL WITHOUT USE OF AN EXTERNAL DRIVING FORCE" 412/KOL/2014
1020/KOL/2014		 28.03.2014 Shri.T.Mallikharjuna Rao
26 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
27 Ceramic Embedded Polymer Composites Which Exhibit High Dielectric Constant 1641/CHE/2014 27.03.2014 Dr.P.Thomas
28 An Auto-Operating Device in Solar Water Heater System Applicable for Highly Scaled BoreWell Water 355/KOL/2015 27.03.2014 M Siddhartha Bhatta
29 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
30 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
31 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
32 Chamber for Mixing Mixture of Primary Air and Coal to Secondary Air to DTR Systems 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
33 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
34 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
35 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
36 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
37 Metal carbide coated electrodes for DC inclined plane tacking test 201641011486 31.03.2016 Smt.S.Ganga
38 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
39 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
40 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
41 Specially Designed Porcelain Long Road Insulators for Highly Contaminated Environment 201641033690 03.10.2016 Dr.N.Vasudev
Shri.S.Sudalai Shunmugam
42 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
43 Successive Cooling Method To Reduce Global Warming 201741008939 15-03-2017 Mr. T. Mallikarjuna Rao
44 A Novel Battery Management System For Base Cum Burst Power Supply 201741009033 16-03-2017 Mr. M. Siddartha Bhatta
45 Methodology For Obtaining Load Flow Solution In Weakly Meshed Electric Power Distribution System 201741011818 31-03-2017 Dr. Amit Jain
Mr. James Ranjith Kumar
46 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
47 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
48 In-Situ Low Intrusive Material Scoop Device For Extration From Metalic Minerals 202041010243
10/03/2020
Complete Spec filed 		27/04/2017 Dr. M.V.Rao
Mr.Kishore kumar
Dr. Shekar Kumar
Mr. R.K.Swamy
M/s. Veltech Engineers, Hyderabad
49 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
50 Solar Hybridization Of The Existing Thermal Power Plants To Reduce Coal Consumption. 201841022717 16/10/2017 Mr. T.Mallikharjuna Rao
51 Specially Designed Trishul porcelain disc Insulators for Highly Contaminated Environment 202041006904
18/02/2020		 15/02/2018 Dr.N.Vasudev
Mr. S Sudalai
Shunmugam
52 Synthetic Ester Based Nanofluids for Transformer Insulation. Patent Application number awaited 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
53 Dielectric mineral oil based nanofluids for transformers. 201841034834 20/06/2018 Dr.P. Thomas
Mrs. Nandini E
Hudedmani
54 Simulated particle impact Erosion system for Grading Thermal Power Plant tube materials and coatings. 201941018786
(11/05/2019)		 01/04/2019 Dr. R.K.Kumar
Dr.V.Saravanan
Shri. M.Janardhana
Dr. GSVL
Narasimham, IISc,
Bengaluru
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