S.No.

Title

Organization

Date of filing

Brief Description

Patent Number

        1.

A sensing device for use with a tractor

Department of Electronics and Information Technology

25-03-1997

A sensing device for use with an agricultural vehicle such as a tractor for providing signals to a driver of an operation performed by the vehicle such as continued discharge of seeds through tubes.

232368

        2.

A driving device for the braille transcription of indian language texts for blind education.

Department of Electronics and Information Technology

11-06-1997

A driving device for the Braille transcription of Indian language texts for blind educations which has ability to obtain information from other computers on1 i ne and print the text in braille format.

213478

        3.

A process for implementation of poly silicon fuse structure

Semiconductor complex limited

18-03-1997

A process for for realization of poly silicon fuse structure during the process of manufacturing an integrated circuit

232406

        4.

Realization of isolated zener diodes in cmos process for surge protection and voltage regulation

Semiconductor complex limited

17-02-1997

An isolated zener diode prepared in the CMOS process during the manufacture of a CMOS device. The zener diode so prepared is useful in the CMOS circuits such as rectifier circuits, analog circuits for voltage regulation and emf protection of an inductor circuits.

232362

        5. 

A vertical mos structure

Semiconducter complex limited

15-09-1997

A vertical MOS structure characterised in field oxide
structures having a Z shape gate oxide structure secured
therebetween, a source/drain being provided on the lower
surface of the upper and lower arm of said Z-shaped gate
structure, a poly structure being provided on the vertical
component of said Z-shaped gate oxide

232383

        6.

A testing device and method for monitoring salicide and local interconnect process

Department of Electronics and Information Technology

02-07-1997

A testing device for monitoring salicide and local interconnect process comprising a plurality of transistor (T) provided in a plurality of rows (R) and columns (C) in order to form a matrix of transistors

219866

        7.

A process for preparation of a novel room tempreture ferroelectric (liquid) crystal compound(s)-2-chloro-3-(4-benzamidoacetophenyl)-1-(4'-dodecyloxybenzoyl)-benzoatopropionate

Department of Electronics and Information Technology

15-04-1998

A novel room temperature ferroelectric liquid crystal compound, (S)-2-chloro-3-(4-benzamidoacetophenyl)-l-(4-dodecyloxybenzoyl)-benzoatopropionate having the formula and to a process for the preparation

215238

        8.

Process of preparation of (s) - 2-chloro-3-(4-benzamidoacetophenyl)-1-(4-nonyloxybenzoyl)-benzoatopropionate

Department of Electronics and Information Technology

15-04-1998

A process for the preparation of (S)-2-chloro-3-(4- benzarnidoacetophenyl)-l-(4'-nonyloxybenzoyl)-benzoatopropionate which comprises in the step of Nucleophilic substitution of -NH2 group from (S)-2-amino-3- (4-hydroxyphenyl)-propionic acid by a chlorine atom via diazonium salt formation.

243788

        9.

A process for the preparation of (s) -2-chloro-3-(4-benzamidoacetophenyl)-1-(4'-octyloxybenzoyl)-benzoatoprop ionate

Department of Electronics and Information Technology

15-04-1998

This invention provides a process for the synthesis of new ferroelectric liquid crystal compound, (S) -2-
Chloro-3- (4-benzamidoacetophenyl)-l- (4'-octadecyloxybenzoyl)
benzoatopropionate, which exhibits ferroelectricity at ambient temperature.

220192

        10.

A process for the preparation of (s) -2-chloro-3-(4-benzamidoacetophenyl) -1-(4-octadecyloxybenzoyl)-benzoatopropionate

Department of Electronics and Information Technology

15-04-1998

This invention relates to a process for the preparation of (S)-2-chloro-3- (4-benzamidoacetophenyl) -l-(4'-octyloxybenzoyl)-benzoatopropionate which comprises in the step of Nucleophilic substitution of -NH2 group from (S)-2-amino-3- (4-hydroxyphenyl)-propionic acid by a chlorine atom via diazonium salt formation is carried in presence of freshly pulverized sodium nitrate stirring the reaction mixture at 0-4°C

232027

        11.

Process of preparation of (s) - 2-chloro-3-(-4-benzamidoacetphenyl)-1-(4-bexadecyloxybenzoyl)-benzoatopropionate.

Department of Electronics and Information Technology

15-04-1998

A process for the preparation of (S)-2-chloro-3-(4-benzamidoacetophenyl) -1- (4'-hexadecyloxybenzoyl) -benzoatopropionate which comprises in known method of nucleophilic substitution of -NH2 group from (S)-2-chloro-3- (4-hydroxyphenyl)-propionic acid by a chlorine atom via known diazonium salt formation, in presence of freshly pulverized sodium nitrate, to obtain crystals of (S)-2-chloro-3-(4- hydroxyphenyl)-propionic acid, (S)-2-chloro-3-(4-hydroxyphenyl)- propionic acid is reacted said l-chloro-2-benzamidoacetic acid in presence of a catalyst triethylamine and in dry organic solvent

232029

 

  12.

An user information system for multiple seervices public utilities counters operable by computer illiterates

Department of Electronics and Information Technology

16-07-1998

An user information system for multiple services public utilities
counters operable by computer illiterates

232893

 

  13.

A tracking system for monitoring and controlling the position of mobile units

Department of Electronics and Information Technology

16-07-1998

A tracking syhstem for monitoring and controlling the position of mobile units.

233202

 

  14.

A process for the preparation of acetone for the semiconductors

Department of Electronics and Information Technology

13-07-1999

A nethof for the preparation of acetone from commercial grade acetone which comprises in the step of subjecting commercial grade acetone to the step of horizontal fractional distillation, heating for total condensation rate of 2 lit/hr, refluxing for 2 hrs to saturate lower boiler impurities

215573

 

  15.

An appartus for measurement of the polish percentage of rice

Alfa centre of ministry of information technology (govt. Of india)
&
Department of Electronics and Information Technology

30-04-2002

The system for rice polish measurement is microcontroller based and gives the readings directly in terms of polish percentage of rice samples.

228921

 

  16.

A process for preparing a glass composition for use in a silver paste

Department of Electronics and Information Technology

25-05-1999

A process for preparing glass composition for use in a silver paste comprising of silver powder, binder dissolved in a vehicle, glass frit added thereto, wherein the binder used is 5-10 wt % of ethyl cellulose

243733

        17.

A process for the preparation of methanol for semiconductors

Department of Electronics and Information Technology

13-07-1999

A process for the purification of methanol for semiconductors
comprising the steps of distilling commercial grade methanol
wherein impurities below 10 ppm and is charged to fractional
distillation, heated in a controlled environment , to get total condensation rate of 2 lit/ hr and refluxing
the resulant for 2 hrs with a reflux ratio of 1:1.

209144

        18.

An improved solder paste composition

Department of Electronics and Information Technology

10-06-1999

An improved solder paste composition comprising 6-15% a flux preparation mixed with 85-94% powder preparation blended together homogeneously.

243604

 

   19.

A process for the purification of sulfuric acid for semiconductors

Department of Electronics and Information Technology

13-07-1999

A process for the purification of sulfuric acid which comprises in the step of distillation of commercial grade sulfuric acid characterised in that is distillation under high vacuum and pressure

209464

         20.

A ceramic based biomass gasifier

Department of Electronics and Information Technology

04-01-1999

Biomass gasifier is a reactor vessel which
converts biomass into producer gas and ash.

232171

         21.

A process for purification of commercial grade hydrochloric acid for semiconductors

Department of Electronics and Information Technology

10-06-1999

This invention relates to a process for purification of commercial grade hydrochloric acid for semiconductors.

242916

 

   22.

An improved process for the preparation of photo-curable composition for dry resist application

Department of Electronics and Information Technology

07-09-2000

It relates to a
process for the preparation of photo-curable compositions that are aqueous
developable formulations and useful for image transfer applications.

230922

         23.

An improved process for the preparation of photocurable compositions of modified viscosity for dry resist application

Department of Electronics and Information Technology

07-09-2000

This invention relates to an improved process for preparation of photo-curable composition of modified changeable viscosity for dry resist application comprising mixing in an inert atmosphere a photocurable polymer solution

216749

         24.

A process for the preparation of silver epoxy paste

Department of Electronics and Information Technology

31-12-1998

This invention relates to a process for the preparation of silver epoxy paste comprising in the step of mixing 3-8% epoxy resin and 2-9% phenolic resin, crushing the mixture to powder, adding 16-26% of solvent mixture herein described to dissolve the powdered mixture, mixing 56-67% of silver powder homogenously to get the silver epoxy composition.

212667

         25.

A process for the preparation of strontium titnate powders

Department of Electronics and Information Technology

29-12-1998

This invention relates to a process for the preparation of strontium titanate (srtio3) comprising preparing strontium salt solutions and preparing a titanium salt solution such as described herein, mixing the strontium salt solution and titanium salt solution

215393

         26.

A process for the preparation of electronic grade barium carbonate

Department of Electronics and Information Technology

centre for materials for electronics technology

23-04-2002

This invention relates to a process for the preparation of electronic grade barium carbonate which comprise in mixing a reaction mixture of powdered barite ore

236762

         27.

A process for the preparation of electronic grade strontium carbonate

Department of Electronics and Information Technology
&
centre for materials for electronics technology

23-04-2002

An improved process for preparation of electronic grade strontium carbonate comprising of powdered celestite one as hearein described, industrial coke, such as coal is powdered form, subjecting the reaction mixture to reduction preferably in a vertically mounted tubular reactor at a temperature of 400-950°C for a period of 1-2 hours in a oxygen free atmosphere to obtain water soluble srs, said srs was dissolved as herein described, and carbonazing said srs to obtain electronic grade strontium carbonate.

231858

        28.

A process for the preparation of silica aerogel.

Department of Electronics and Information Technology
&
centre for materials for electronics technology (c-met)

09-04-2002

This invention relates to a process for the preparation of silica aerogel comprising reacting tetraethyl ortho silicate (TEOS) and a mixture of water and orgaric solvent selected from ethyl or isopropyl alcohor miscible with water and TEOS in the presence of a catalyst.

241490

        29.

Imporved solder paste composition with residue cleanable with non ods solvents

Department of Electronics and Information Technology
&
CENTRE FOR MATERIALS FOR ELECTRONICS TECHNOLOGY (C-MET)

09-04-2002

An improved solder paste composition with residue cleanable with non ODS solvent comprising of solder powder and flux, characterized in that solder powder of Type III as herein described, said flux, comprising 20 to 25% of a base, 0 to 2% of a halide based activator, 5 to 15% of an organic activator, 5 to 20% of thixotropic agents and 40 to 60% of solvents.

236273

       30.

A solder paste with improved shelf life properties

Department of Electronics and Information Technology
&
centre for materials for electronics technology

09-04-2002

A solder paste with improved shelf life properties comprising 85 to 94% by weight of solder powder and 6 to 15% by weight of a flux wherein solder powder is an oxide free solder powder of the kind as herein described and flux comprising 17 to 22% of rosin, 0.5 to 8% of an activator, 2 to 5% of a polymer binder, 7 to 11% of parafinic compound such as petroleum jelly, 6 to 10% of castor oil and its derivatives, 3 to 6% of citric acid and other dibasic acids, and 45 to 60% of organic solvent.

228711

       31.

An apparatus for cooling of jigs during a magnetizing operation

M/s. Elin electronics ltd.
&
Department of Electronics and Information Technology

24-06-2002

An apparatus for cooling of jigs during a magnetizing operation comprising at least one rotating disc having a plurality of magnet holding housings of mild steel; independent magnetizing jigs which operates one at a time in the cyclic order of 'a', 'b', 'c'., each jig having its independent pneumatic cylinders to operate the jig.

228785

       32.

A system for multiligual machine translation from english to hindi and other indian languages using pseudo-interlingua and hybridized approach.

Department of information technology, ministry of communication and information technology
&
Indian institute of technology

22-01-2003

A machine translation system and method using a pseudo-interlingua that is common to a family of languages. The invention also uses a combination of rule based and example based approaches to achieve a better translation accuracy. Furthermore the system uses application specific dictionaries to remove ambiguities in translation.

199912

       33.

An automatic magnetising,checking and fixing device for magnets of dc micromotors

Department of Electronics and Information Technology
&
elin electronics ltd.

30-12-2002

An automatic magnetising, checking and fixing device for magnets of DC micromotors which enables a high throughput of inner casings fitted with magnet ring with a marked reduction in rejection of the finished micromotors in production line and after sales.

225675

       34.

Improved wave pipelined array multiplier

Department of information technology

29-08-2002

This invention relates to Field Programmable Gate Array (FPGA) based wave pipelined array multiplier (WPARAM).

220117

       35.

Microwave disinfecting system for hospital waste

Society for applied microwave electronics engineering and research (sameer)
&
Department of Electronics and Information Technology

10-09-2002

A microwave disinfection system for hospital waste comprising a housing which houses two magnetrons source with associated control and interlock circuitry, low power supply, cooling arrangements filament supply and high voltage
power supply, a cavity wherein bucket containing hospital waste is kept on a turn table provided within the cavity which is designed to uniformly expose the hospital waste to high power microwave energy, a water spray to sprinkle water on waste, a water ejector system to absorbs the water vapours coming out of waste.

242452

       36.

A process for the preparation of an organo-inorganic hybrid nanocomposite

Centre for materials for electronics technology (c-met)
&

10-09-2002

A process for the preparation of nanostructured organo-inorganic hybrid materials as high energy density cathodes for rechargeable lithium batteries

233089

       37.

AN IMPROVED mxn ARRAY MULTIPLIER

Deparment of information technology

29-08-2002

An improved m x n pipelined array multiplier comprising: an array of combinational logic blocks, a set of registers connected to each said combinational logic blocks in a row of said array of combinational logic blocks, two least significant multiplier bits are connected to the input of the first row of combinational logic blocks such that the least significant bit is connected to said combinational logic blocks except the first extreme left combinational logic block and the next significant bit is connected to said combinational logic blocks except the extreme right combinational logic block

220686

 

 38.

Solder Paste with improved shelf life properties –

1 Department of Electronics and Information Technology

2. Centre for materials for electronics technology

09-04-2002

The present invention provides a method of fabricating rare earth doped preforms and optical fibres by a combination of modified chemical vapour deposition (MCVD) process and solution doping technique said (MCVD) process is used to develop matched or depressed clad structure inside a silica glass substrate tube followed by deposition of porous silica soot layer containing geo>2<, P>25< or such refractive index modifiers by the backward deposition method for formation of the core and presintering the deposited particulate layer by backward pass with flow of gecl>4< and/or corresponding dopant halides, soaking the porous soot layer into an alcoholic/aqueous solution of RE-salts containing codopants such as alcl>3< in definite proportion, drying, oxidation, dehydration and sintering of the RE containing porous deposit and by collapsing at a high temperature to produce the preform followed by drawing the fibres by known technique to produce fibres with suitable core-clad dimensions and geometry.

AU2002249558
CA2481204
EP1487751

 

 39.

A direct sequence spread spectrum transceiver for wireless packet data

Department of Electronics and Information Technology
&
centre for development of advanced computing

20-11-2003

A direct sequence spread spectrum transceiver for wireless packet data application wherein the transceiver uses a bootstrapped direct sequence.

229861

       40.

A single board digital controller for hybrid electric vehicle and similar ac drive system

Department of Electronics and Information Technology
&
electronics research and development centre of india

14-11-2003

A single board digital controller comprises digital signal processor (DSP) connected to a micro controller through a dual port RAM (DPRAM) wherein the dual port RAM exchanges data between the DSP and micro controller.

233056

       41.

A system and method for controlling counterfeiting of currency notes

Department of Information Technology, Ministry of Communications and Information Technology

17-10-2003

The method for controlling counterfeiting of currency notes by identifying the security parameters of a currency note that can be used for preventing counterfeiting and using an public key infrastructure encryption algorithm for generating a unique electronic signature for the currency note based on the said security parameters.

227531

       42.

An improved uninterrupted power supply (ups) system

Department of Electronics and Information Technology

14-11-2003

An improved uninterruptible power supply (UPS) system comprises at least two inverters, one of which is connected to mains and the other is connected to load.

231554

       43.

A wireless local area network transceiver

Department of information technology
&
centre for development of advanced computing

03-12-2003

This invention relates to wireless local area network transceiver with bootstrapped direct sequence spread spectrum multiple access for packet data communication.

234259

       44.

A wireless code division label switching router

Department of Information Technology, Ministry of Communications & Information Technology, Govt. Of India,
&
Centre for Development of Advanced Computing, Maharashtra, India

03-12-2003

A wireless code division label switching router for routing packet data on wide area wireless networks using multi protocol label switching (MPLS) with the MPLS label mapped directly to the code of code division multiple access.

242446

       45.

Method and apparatus for imputting data particularly non-english character text with limited set of keys

Centre for development of advanced computing

12-09-2002

A method and apparatus for inputting textual data in non English languages typically the Indian languages and further relates to a method and apparatus for inputting data using the very limited set of keys, which are especially available on the Mobile phones/cell phones.

204081

       46.

A process for the preparation of conducting polymer based diodes

Department of Electronics and Information Technology

10-06-1999

A process for the preparation of conducting polymer based diode which comprises in subjecting a monomer to the step of polymerization by using oxidizing agents like per-sulphate, ferric chloride in the presence of 10-90 weight percent of a semiconducting oxides as herein described, the polymerizing solution is filtered, the composite powder herein described obtained is subjected to the step of washing and drying and then the said dry powder is pressed to form pellets or any other shape as desired. .

231077

       47.

System to generate a predetermined fractional period time delay

Department of Electronics and Information Technology
&
Indian Institute of Science

10-10-2012

A sub-sampling technique based delay measurement unit capable of measuring delays accurately for the full period range is used as the feedback element to build accurate fractional period delays based on input digital control bits.

US8664994

       48.

A process and system for manufacturing stable fiber bragg gratings (FBGS)

1. Department of electronics and information technology

 

2. Indian institute of technology, madras

21-01-2009

The invention disclosed relates to a manufacturing process and system to produce high quality Fiber Bragg Gratings by calculating the decay behaviour of the fbgs from their growth and annealing the grown FBG under a temperature for a time decided on the basis of the analysis done on the growth characteristics. This process excludes the need for expensive and time consuming accelerated aging testing experiments. This process also helps in discarding the gratings which may be determined to be unusable based on the writing data without further processing.

CN102362204 B

       49.

An impproved automatic anaesthesia delivery system

1. Department of electronics and information technology

 

2. Postgraduate institute of medical education and research, chandigarh

15/10/2007

U.S. Patent Application No. 08840169.0

US Patent Application No. 12/683,000 9108013 :118.08.2015

       50.

Low Distortion Active filters

1. Indian institute of technology, madras

 

2. Department of electronics and information technology

2/9/2010

US patent 13/822, 214

US patent granted 9000839 07 April, 2015

       51.

A system to generate a predetermined fractional period time delay

1. Department of electronics and informatioin technology

 

2. Indian institute of science, bangalore

10/10/2012

US8664994 granted on 4 march 2014.

       52.

Low drop diode equivalent circuit

1. Department of electronics and informatioin technology

 

2. Indian institute of science, bangalore

6/11/2012

US Patent No. 9,054,585 B2 – Granted on: June 9, 2015

US Patent Application No. 13/790,075 Filed on: 8th March, 2013