Patent no Country Title
IN28135 India A process for the preparation of a depolarising agent for dry cells
IN31877 India Improvements in or relating to the manufacture of flux compositions for aluminium or its alloys
IN53608 India MANUFACTURE OF CERAMIC SEMICONDUCTING BODIES OF TITANIUM DIOXIDE
IN52711 India AN ELECTRONIC VOLTAGE REGULATOR FOR SHUT WOUND AND COMPOUND-WOUND D
IN54395 India A process for the manufacture of active manganese dioxide suitable for dry batteries
IN54959 India An electrical device for double action on off control
IN53528 India A PYROCHEMICAL PROCESS FOR THE METALLISATION OF NON-CONDUCTORS
IN53817 India MANUFACTURE OF HIGH DIELECTRIC CONSTANT CERAMICS
IN65696 India Production of carbon pastes for use in the continuous soderberg electrodes
IN66195 India Preparation of lead dioxide electrodes for electrolysis
IN66295 India IMPROVEMENTS IN OR RELATING TO ELECTRONIC RECEIVING EQUIPMENT USING VALVES AND TRANSISTORS AS LINEAR CIRCUIT ELEMENTS
IN66296 India IMPROVEMENTS IN OR RELATING TO RADIO RECEIVING EQUIPMENT USING VALVES AND TRANSISTORS
IN82191 India An improved jacketted electrolytic cell for the electro-deposition of metals and metallic oxides in general and manganese dioxide in particular
IN81402 India Improvements in or relating to electro-deposition of metals, particularly manganese, by direct current electrolysis of aqueous solutions containing metal ions
IN83365 India Magnesium copper sulphate non-polarisable batteries
IN086823 India A new process for the production of nitrogenous fertilizers and soil conditioner from coal lignite and peat
IN086639 India An inexpensive chemical methods of dicing a semiconductor slice for the manufacture of transistor family device
IN089004 India A polycrystalline p-n junction photovoltaic solar cell
IN89004 India A polycrystalling p-n junction photovoltaic solar cell
IN087816 India A device for constant current supply in electrophoresis
IN87816 India A device for studying the electrophoretic velocity of colloidal particles
IN090057 India Improvements in or relating to electric incandescent filament lamps
IN90057 India Improvements in or relating to electric incandescent filament lamps
IN090058 India Improvement in or relating to focussing device for focusing projections lamps in paraboloidal or like shaped reflector
IN91828 India Improvements in or relating to the preparation of sintered silver electrodes
IN94768 India An improved device for the isolation of dross in molten metallic baths during continuous hot-dip processing of strip or wire
IN96341 India Improvement in or relating to the production of electrolytic manganese dioxide suitable as depolariser for primary battaries
IN95421 India Improvements in or relating to bright nickel plating
IN95422 India Improvements in or relating to the construction of single shot batteries
IN95417 India Improvements in or relating to an anode material for use in primary cells
IN98159 India Improvements in or relating to the preparation of lead acid battery plates
GB1043599 United Kingdom Improvements in or relating to the dicing of semi-conductor materials
IN98157 India Improvements in or relating to matrix electrode for use in alkaline cells
IN98158 India Improvements in or relating to alkaline magnese dioxide wet cells
IN98206 India A process for the corrosion inhibition of aluminum working as electrodes
IN99588 India Improvements in or relating to primary wet cell particularly alkaline manganese dioxide cells, and to sac elements thereforr
IN101930 India Improvements in or relating to nickel electrodeposition
IN101629 India A direct indicating load cell
IN101715 India An electrical load cell
IN101928 India Electrolytic recovery of tin metal from the acid detinning bath
IN102603 India A load cell for roof bolts
IN103216 India Improvements in or relating to leclanche type dry cell
IN102678 India Improvements in or relating to anode -electrolyte system for galvanic cells
IN105060 India A photoelectric instruments for the measurement of whiteness of materials
IN104970 India DIELECTRIC - LOADED WAVEGUIDE TYPE BROAD BAND E-PLANE FERRITE RESONANCE ISOLATORS FOR MICROWAVE FREQUENCIES
IN103970 India Improvements in or relating to direct plating of copper on aluminium
GB1094914 United Kingdom Preparation of porous carbon electrode using vegetable carbon for use in air depolarised cells
IN106206 India Improvement in or relating to electrical batteries
IN101929 India Improvement in or relating to single shot batteries of the reserve type
IN106205 India A device for providing steeplessly variable power supplies , both ac and dc in nature , to loads from necessarily ac sources
IN107414 India Improvements in or relating to inhibition of corrosion during removal of rust and scale by acid solution
IN106820 India Improvements in or relating to the fabrication of cuprous chloride activated cells
IN106807 India A composition for the cathode for oxygen depolarisation
IN107347 India Improvements in and relating to the preparation of porous carbon electrodes from active carbons for use in air depolarised cells
IN107624 India Improvement in or relating to anodic phosphating
IN110852 India Improvements in or relating to the electrolytic reduction of 3-nitro p-cresol to 3-amino p-cresol
IN110875 India A new anode design for use in primary wet cells
IN110874 India An electrolytic process for the preparation of copper oxychloride
IN111344 India Improvements in or relating to spark erosion machines
IN112106 India Improvements in or relating to electro-plating of chromium from aqueous electrolytes
IN112185 India Improvements in or relating to flywheel synchronizations circuits for tv receivers
IN109904 India Improvements in or relating to foster-seely type discriminator circuit
IN111958 India A filament winding machine for fabricating of filament-wound fiberglass reinforced plastic cylinders
IN110440 India Oxygen depolarised primary wet cells
IN111691 India Improvements in or relating to the electrochemical markings on metals
IN112577 India Improvements in or relating to impregnation of brided linen threads with conducting carbon
IN113593 India Improved cell or battery systems incorporating copper oxalate cathode
IN113473 India Improvements in or relating to copper electroplating on stainless steels
IN11506 India Impovements in or relating to prevention of tarnishing of copper and gold and silver plated copper
IN113592 India Improvements in or relating to chemical phosphating of iron and steel surface
IN109604 India Improvements in or relating to gain control circuits for television receivers
IN112217 India An injected beam crossed-field tube
IN122217 India IMPROVEMENTS IN OR RELATING TO SOFT FERRITES FOR USE IN MEDIUM AND SHORT WAVE FREQUENCIES
IN112615 India Improvements in or relating to starting circuit for fluorescent lamps
IN113744 India Electrical relay tester
IN113127 India Improvements in or relating to microphones
IN114868 India Improvements in or relating to electrodeposition of iron-chromium alloy deposits
IN114867 India Improvements in or relating to electrodeposition of iron chromium-nickel alloy deposits
IN115204 India Improvements in or relating to etectrolyte for tantalum electrolytic capacitors
IN113507 India IMPROVEMENTS IN OR RELATING TO MANUFACTURE OF RESISTORS
IN116490 India Improvements in or relating to alkaline mercuric oxide cells
IN116538 India Improvements in or relating to preparation of lead sulphide photoconductive cells for infrared detection
IN121151 India Improvement in or relating to electrolytic deposition of gold on kobar
IN124215 India Improvement in or relating to electrolytic preparation of lead dioxide electrodes for electrolysis
IN125605 India A method of making anode block for magnetrons and apparatus thereof
IN128471 India Improvements in or relating to the generation of square wave from sinuosoidal wave
IN125406 India Organic depolariser batteries
IN127174 India A process for the recovery of zinc and carbon electrode from waste dry cells
IN127748 India A PROCESS FOR MAKING MULTIPLE PRINTS OF A DOCUMENT WITH AN ELECTROPHOTOGRAPHIC MACHINE
IN129037 India Improvements in or relating to preparation of lithographic aluminium plates
IN129038 India Improvements in or relating to the development of anodes based on aluminium and its alloys for cathodic protection
IN129510 India Preparation of electro deposits on mild steel from aqueous resin system of linseed oil maleic acid/anhydride
IN130123 India Battery system incorporating tin anode
IN131636 India Improvements in or relating to the electrochemical marking on silver
IN129511 India Improvements in or relating to the preparation of mercuric oxide electrodes for use in alkaline mercury oxide cell
IN129940 India Improvements in or relating to air depolarised batteries
IN130472 India Electrodeposition of shellac from aqueous systems
IN130788 India Lead chloride water activated cell system
IN131174 India Improvements in and relating to glass to metal seals for encapsulation of semiconductor devices
IN119015 India Improvement in or relating to the electrolytic production of metanilic acid
IN126708 India METHOD OF ELECTROPLATING A HEAT FLOW METER
IN132089 India Electrodeposition of castor oil maleic anhydride resins of mild steel
IN131960 India Improvement in or relating to electropolishing of aluminium and its alloys
IN132423 India An electrolytic process for integral colour anodizing of aluminium and its alloys
IN133209 India A gradual load application device for testing the mechanical strength of glass shells of bulbs of miners' cap lamps
IN131900 India Improvements in or relating to heat treatment of etched aluminium and its alloy for use as electrodes in aluminium electrolytic capacitors
IN132040 India Improvements in or relating to electrolyte for the aluminium electrolytic capacitors
IN132168 India Improvements relating to the device for conducting chemical conversions using electrodialysis technique
IN132895 India Improvements in or relating to electro deposition of alumina over metals and non -metals (suitably made conductive) for decorative finishes
IN132846 India Invention relating to a new method of etching of super purity aluminium for use as electrodes in aluminium electrolytic capacitor
IN108573 India Improvements in or relating to the electro chemical preparation of para amino benzoic acid
IN133341 India Improvements in or relating to the preparation of zinc silicate green phosphor
IN133367 India Improvement in or relating to luminescent materials (phosphors) for use in fluorescent tube lights
IN135213 India Improvements in or relating to plating on steels with a fine layer of metallic chromium and chromium oxide
IN134019 India A PROCESS FOR MAKING SILVER POWDER BY ELECTROLYSIS
IN134017 India A PROCESS FOR MAKING SILVER POWDER BY ELECTROLYSIS
IN134121 India Improvements in or relating to methods of plating on aluminium
IN134186 India Improvements in or relating to electroless copper plating bath control over acrylonitrile butadiene styrene
IN135065 India A NEW METHOD OF ENCAPSULATING PHOTOCONDUCTIVE CELL
IN135302 India An improved drum motor
IN135211 India PROCESS FOR MAKING PHOTOCONDUCTIVE CELLS
IN136973 India Improvements in or relating to method of sintering nickel powder to produce thin sintered plaques for alkaline battery plates
IN137058 India Improvements in or relating to fabrication of silver chloride foil or electrodes
IN134963 India IMPROVEMENTS IN OR RELATING TO THE PRODUCTION OF PRINTED CIRCUITS
IN137763 India Improvements in or relating to production of composite nickel powder for sintered matrics used in alkaline storage batteries
IN138127 India Improvements in or relating to the formation of plates for nickel cadmium batteries
IN138312 India Improvements in or relating to the preparation of electrolytic chromium powder
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IN140220 India Improvements in or relating to the fabrication of solid foil type aluminium electrolytic capacitors
IN140378 India An appratus and improvement in or relating to chemically thinning and polishing semiconductor wafers
IN139724 India A PROCESS FOR MANUFACTURE OF SILVER CADMIUM OXIDE COMPOSITION MATERIALS
IN141607 India An improvd design of multi-channel multi-band tv antenna
IN141666 India Magnesium mercurous chloride depolarised battery
IN140100 India LINER DRIVE TRANSDUCER FOR PRECISION MOVEMENT
IN141956 India A device for continuously feeding aluminum wire contained in a spool to a heated tungsten strip
IN141911 India Improvements in or relating to water activated single shot battery of reserve type using bromates as depolariser with magnesium ,alminium and zinc as anodes
IN141912 India An improved feeder for flash evaporation of nickel -chromium powder for the fabrication of thin flim hybride integrated cricuits
IN141914 India Improvements in or relating to fabrication of resistor array cricuit on epoxy glass substrate
IN140214 India A PROCESS FOR MANUFACTURE OF COPPER, COPPER ALLOYS GRAPHITE COMPOSITE MATERIALS
IN140284 India IMPROVMENTS IN OR RELATING TO THE MANUFACTURE OF CERAMIC CAPACITORS
IN140997 India A COLLIMATING SYSTEM FOR X-RAY TOPOGRAPHY CAMERAS AND SIMILAR EQUIPMENTS
IN143016 India Improvements in or relating to the manufacture of gridscentral for transmitting tubes having thoriated tungsten cathodes
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IN143696 India Improvements in or relating to sintered porous metal hydrogen electrodes for use in hydrogen oxygen fuel cell
IN142769 India A MULTI-EXPOSURE HIGH PRESSURE X-RAY POWDER DIFFRATION CAMERA
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IN144622 India A method for effecting recombination of gases evolved during the over charging processes back into water in sealed lead acid storage cells and batteries
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IN152476 India A process for the production of solid ion conductor articles such as tubes, diaphragms and the like and articles obtained thereby
IN153551 India An improved antenna device for omnidirectional radio communications
IN156154 India Sealing device for rendering fluid tight an entry point of an electrical cable, wire or conductor to an electrical apparatus
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IN157502 India Improved process for the production of spiral manganese dioxide electrodes for use in non-aqueous lithium batteries and electrodes so prepared
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