Patents - US
| Patent No. | Title |
| US 5573068 | An apparatus for automatic extinguishment of flammable liquid fires in fixed/floating roof oil storage tanks by dry chemical powder (DCP) fire extinguishant. |
| US 5548933 | A fixed roof type flammable liquid storage tank. |
Patents Granted - INDIAN
| S. No | Patent No. | Title |
| 1 | 43866 | Improvements in or relating to soil stabilization. |
| 2 | 48923 | Production of single twisted or twin twisted steel bars. |
| 3 | 49353 | Construction of floors |
| 4 | 49880 | Improvements in or relating to the manufacture of pre-stressed concrete. |
| 5 | 51084 | Improvement in or relating to reinforced concrete construction. |
| 6 | 54361 | Construction of flat or arch roofs or like structures |
| 7 | 54907 | An under reaming tool |
| 8 | 55510 | A process for preparing foamed concrete |
| 9 | 55602 | A brick and block making machine |
| 10 | 58909 | New foaming agent for the production of low density foamed concrete. |
| 11 | 59630 | An improved process of making bricks from sticky clays. |
| 12 | 61645 | A new process for the manufacture of precast doubly curved shell elements for roofs, floors and panel walls. |
| 13 | 62490 | A process for creating deformations in the cable ducts in pre-stressed concrete structures. |
| 14 | 63865 | A tensioning screw jack |
| 15 | 66079 | Improvement in or modification of a tensioning screw jack with particular reference to a pressure measuring device for recording the tension. |
| 16 | 69165 | A method of making cementitious material from blast furnace slag. |
| 17 | 70030 | A method of making lightweight aggregate from Indian clays. |
| 18 | 70173 | Two-wire in chorage grips. |
| 19 | 70479 | Preparation of a non-shrinking and low expanding cement. |
| 20 | 72639 | A method of making yellow colored bricks from alluvial soils. |
| 21 | 74184 | A new process for the manufacture of asbestos cement sheets, tiles and similar materials having improved transverse strength using either chrysotile or amphibole variety of asbestos. |
| 22 | 76018 | New hydrophobic cement |
| 23 | 78778 | A method of making chocolate colored bricks from alluvial soils. |
| 24 | 79388 | A process for the manufacture of Gaylite, a bloated clay aggregate from the silt deposited by river Hooghly. |
| 25 | 82303 | A guide for making holes with augers. |
| 26 | 85447 | Heat flow transducer |
| 27 | 91411 | A new soil sampler |
| 28 | 93575 | Improvements in or relating to the manufacture of tiles from plastic clays |
| 29 | 95182 | A torque limiting spanner |
| 30 | 98142 | An instrument designated as Archo-solslider for making calculations of shadow coverage and values of direct solar radiations on surfaces. |
| 31 | 100676 | A pressure measuring device |
| 32 | 102675 | Electronic over-voltage protection device |
| 33 | 105894 | A process for improvement of strength of asbestos cement products from asbestos fibers and normal Portland cement |
| 34 | 106805 | A sand sampler |
| 35 | 107058 | Improved load cell |
| 36 | 107725 | A tamping machine |
| 37 | 109364 | Volume change measuring apparatus |
| 38 | 110835 | New corrosion inhibiting pigment and a paint containing it |
| 39 | 110854 | New corrosion inhibiting pigment and a paint containing it |
| 40 | 111492 | A new asbestos sprayer |
| 41 | 112617 | A unit frame for scaffolding |
| 42 | 115207 | A flushing cistern |
| 43 | 116928 | Scaffold hoist (powered) |
| 44 | 117404 | A new machine manual scaffold hoist for lifting construction material and equipment |
| 45 | 118570 | A brick extrusion machine |
| 46 | 126179 | An improved method of constructing compaction piles |
| 47 | 126664 | An automatic flushing cistern for urinals |
| 48 | 126708 | A method of electroplating a heat flow meter |
| 49 | 127706 | A power trowel |
| 50 | 131843 | A coconut husk chipping machine |
| 51 | 132237 | Method of making gypsum plaster retarder |
| 52 | 132327 | Lightweight clay bricks, blocks and tiles for insulation and multi-storied construction |
| 53 | 132445 | An automatic cutting table |
| 54 | 133518 | A process for making large size clay products with improved strength |
| 55 | 133778 | Production of cement clinker from flyash |
| 56 | 134557 | Improvements in or relating to method of making water permeable drains |
| 57 | 136613 | Improvements in or relating to hollow concrete units |
| 58 | 137375 | A technique of constructing thin impermeable diaphragm walls. |
| 59 | 137425 | Improvements in or relating to the manufacture of asbestos cement products such as sheets, pipes or accessories e.g. pipe-junctions |
| 60 | 137538 | A device for assessing daylight availability and/or sunlight penetration |
| 61 | 139230 | Improvements in or relating to making sand-lime type bricks using fly ash |
| 62 | 141977 | Improvement in or relating to method of strengthening soil by wick/rope made of water permeable material |
| 63 | 143818 | A process for the preparation of a new fire extinguishing material for extinction of fires in flammable liquids |
| 64 | 143994 | Pipe boring rig |
| 65 | 145032 | A sub soil deformeter |
| 66 | 148932 | A portable device for filling of compressed air in containers suitable for breathing apparatus. |
| 67 | 150816 | Improvements in or relating to granular piles |
| 68 | 150817 | A retrievable foundation |
| 69 | 151381 | A rotary table press for sand-lime bricks |
| 70 | 155159 | Crack free lime kiln of the vertical masonry shaft type |
| 71 | 156876 | A combination protection device for over-current and earth leakages at electrical wiring system of civil structures and electrical equipments |
| 72 | 159540 | An improved boring and skirting device for making skirting type foundations in civil engineering works |
| 73 | 159758 | Improvements in or relating to improved assemblies of granular piles for the reinforcement of weak soils and the provision of firm settlements - free foundations and process for forming such assemblies |
| 74 | 161452 | Improved automatic water sprinkler for use as fixed fire protection device |
| 75 | 165155 | An improved device for jointing precast piles in segments |
| 76 | 165156 | An improved device for jointing precast concrete piles |
| 77 | 165157 | An improved device for joining precast piles |
| 78 | 165158 | An improved device for joining of precast piles |
| 79 | 172047 | Mini climbing crane |
| 80 | 172108 | Automatic free fall hammer for SPT and DCPT |
| 81 | 177234 | An apparatus for automatic extinguishment of flammable liquid fires in fixed / floating roof oil storage tanks by dry chemical powder (DCP) fires extinguishant. |
| 82 | 177235 | An improved fixed roof flammable liquid storage tank with a fire extinguishing device |
| 83 | 178024 | An automatic guarded hot plate equipment for the measurement of thermal conductivity of building and insulating materials |
| 84 | 178323 | A process for preparation of polymeric sulphonates useful as surfactant from cashew nut shell liquid (CNSL) or bilawan nut liquid (BNL) |
| 85 | 183628 | An improved process for the formation of self setting soil slurry piles |
| 86 | 184099 | An improved process for the preparation of granular pile for reinforcement of week soils and for the providing firm settlement free foundation |
| 87 | 185504 | An improved process for the formation of mini grouted piles for reinforcement of week soils |
| 88 | 185535 | A device for casting monolithic containers |
| 89 | 186986 | A process for the manufacture of a medium density fiberboard based on renewable raw materials |
| 90 | 187931 | An improved device useful for pollution control in vertical shaft kilns. |
| 91 | 190173 | Novel alternative building material for acoustical thermal insulation & false ceiling purposes using cellulosic refuge of paper industry & the process for the manufacture thereof |
| 92 | 191621 | A process for the preparation of extract from Zenthoxylum alatum (family: rutaceae) having termite resistant properties and termite resistant formulation prepared using the said extract |
| 93 | 195175 | An improved process for the manufacture of natural fibre based composite laminates useful for making plain/corrugated sheets and products thereof |
| 94 | 196927 | A composition useful as flame retardant and smoke for plasticizer PVC |
| 95 | 215103 | A novel molding composition a process for making industrial products thereof and industrial product made thereby |
| 96 | 215661 | A herbal based formulation useful as termite resistant coating for substrates |
| 97 | 215676 | Improved process for purification of phosphogypsum |
| 98 | 216750 | A process for production of reactive silica |
| 99 | 219632 | Improved process for making pulp from fibrious biomass useful for making paper and paper made therefrom. |
| 100 | 226275 | A composition for making cementitious binders based on high fly ash content, clay pozzolana and other mineral or industrial wastes for use in cement mortars and concrete |
| 101 | 226284 | A composition for making high strength anhydrite plaster from by-product phospho and flurogypsum and flooring tiles made therefrom |
| 102 | 231647 | A device for shaping flyash lime/ cement brick |
| 103 | 232132 | A device useful as a concrete block maker |
| 104 | 232333 | A device for efficient air pollution control in brick kilns |
| 105 | 237111 | A process for making slag-lime-sand bricks |
| 106 | 275932 | A process for the manufacture of Rice husk Thermoplastic Composits useful for making extruded sheets/profiles |
| 107 | 277636 | A process for the manufacture of pine needle is ocyanate prepolymer composite boards and products thereof |
| 108 | 306940 | Grooved Building Blocks Wall for Concealed Utility Services |
| 109 | 305105 | A Device Useful for Making Horizontal Bores under the Ground |
| 110 | 350586 | A Room Temperature Cured by flyash based Geopolymer Composition for Concrete & Building Material & A process for manufacturing the same |
| 111 | 382708 | An Improved process for the preparation of building boards and panels from plywood/veneer industry waste |
| 112 | 421499 | An Improved Process for The Preparation of Silica Nanoparticles for Applications In Cement Based Materials |
Patents Filed
| S. No | Title of Patent | Application No |
| 1 | Three Dimensional Deformometer: For Measurement of Displacement Response of Masonry Prisms Along 3-Axes | 0444DEL2015 |
| 2 | A process for the preparation of an anti-termite barrier for new buildings | 201611000547 |
| 3 | A pullout device for soil nails & anchors | 201611022643 |
| 4 | Optical based velocity sensor for measuring instantaneous velocity of a dropping object | 201611022642 |
| 5 | Translucent concrete composition using pre-treated plastic optical fibers and a process thereof | 201611042095 |
| 6 | Method for strengthening coal pillars to improve underground coal recovery | 201911048284 |
| 7 | Round Boulders Mortar (RBM) Units and Production Method Thereof | 201911012435 |
| 8 | An end openable helical anchor and the mechanism thereof | 201911008656 |
| 10 | A hybrid robotic device and method for climbing with multiple degrees of freedom | 201911052507 |
| 11 | Air Disinfection and Purification System for Indoor Applications | 202111028079 |
| 12 | Embedded Smart Sensing Device and Method of Measuring Early-Stage Concrete Hydration | 202111032079 |
| 13 | A Composition for Desert Sand Bio-Bricks and A Process for The Preparation Thereof | 202111045111 |