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Inventor country
UnitNumber
Year19902000200520062007200820092010201120122013
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Technology domain
All technologies (total patents)1 207.22 922.453 626.013 563.173 619.23 530.043 189.693 002.113 004.243 013.363 208.05
Selected environment-related technologies106.62212.45298.5303.95349.77338.72350.34350.79319.68296.47281.32
Hide subtree Environmental management70.92126.67164.5155.75169.2122.53174.83152153.75126.17110
Environmental managementHide subtree Air pollution abatement1729.553.674743.7827.035242.924137.7530.83
Air pollution abatementEmissions abatement from stationary sources (e.g. SOx, NOx, PM emissions from combustion plants)11916.8313.171317.831514.8310.2510.5
Emissions abatement from mobile sources (e.g. NOx, CO, HC, PM emissions from motor vehicles)1217.1726.3311.8318.584.3318.7521.7514.17178.17
Not elsewhere classified411.3318.3318.3312.039.715.426.171210.512.17
Hide subtree Water pollution abatement37.3362.1770.176779.675684.177467.550.5846.67
Water pollution abatementWater and wastewater treatment34.3358.1768.176678.175681.6771.563.549.0843.17
Fertilizers from wastewater0200100.5021.51.5
Oil spill cleanup32210.5022.5202
Hide subtree Waste management15.583437.6735.4238.7536.532.1732.7542.7534.8332.5
Waste managementSolid waste collection3.5796.5991110992
Material recovery, recycling and re-use8.2510.3312.3316.5816.2517.511.83148.4212.8315.5
Fertilizers from waste0.3396.53131.511044.5
Incineration and energy recovery12.3311.50.5125.252.332.53.5
Waste management – Not elsewhere classified2.55.338.837.831265.832.5136.57
Soil remediation1125.33425.50.52.530
Environmental monitoring00113111.83000
Hide subtree Water-related adaptation technologies81023.3354.549.834529.9222.52329.527.33
Water-related adaptation technologiesHide subtree Demand-side technologies (water conservation)71011.3321.519.832713.9214.516.519.519
Demand-side technologies (water conservation)Indoor water conservation01579.5633143
Irrigation water conservation031.566.83105.753.554.511
Water conservation in thermoelectric power production0014.52.501.1735.530
Water distribution763.83411145585
Hide subtree Supply-side technologies (water availability)10123330181686.5108.33
Supply-side technologies (water availability)Water collection (rain, surface and ground-water)10920.52614.51364.575.33
Water storage00312.543.532233
Hide subtree Climate change mitigation57.62130.12197.83191.28237.15243.35226.59250.96225.93205.63213.98
Climate change mitigationHide subtree Climate change mitigation technologies related to energy generation, transmission or distribution12.8340.588582.42153.17153.68150.33152.7126.75111.15107.95
Climate change mitigation technologies related to energy generation, transmission or distributionHide subtree Renewable energy generation726.5852.2547.9298114.7104.1799.779.6770.2362.45
Renewable energy generationWind energy11.59.510.171317.3310.33815127.5
Solar thermal energy4111014.3325.1731.3332.83301422.515.25
Solar photovoltaic (PV) energy29.5814.7511.0822.8338.5340.0836.0332.521.8324.7
Solar thermal-PV hybrids0021.3334.33200.51.53
Geothermal energy00102011432
Marine energy01971513.3311.2513.333.834.46
Hydro energy03.564179.836.6711.339.8354
Hide subtree Energy generation from fuels of non-fossil origin4.512.510.516.6711.0813.514.515.927.428
Energy generation from fuels of non-fossil originBiofuels20.52.57118.838.177.1710.583.673.5
Fuel from waste2.50.503.55.672.255.337.335.333.754.5
Hide subtree Nuclear energy0.330101200100
Nuclear energyNuclear fusion reactors0.330101200000
Nuclear fission reactors00000000100
Hide subtree Combustion technologies with mitigation potential (e.g. using fossil fuels, biomass, waste, etc.)0012.56.51.54.17336.56
Combustion technologies with mitigation potential (e.g. using fossil fuels, biomass, waste, etc.)Technologies for improved output efficiency (Combined heat and power, combined cycles, etc.)0012.561.54.17325.53
Technologies for improved input efficiency (Efficient combustion or heat usage)00000.5000113
Hide subtree Technologies for an efficient electrical power generation, transmission or distribution011030.5113.175.173
Technologies for an efficient electrical power generation, transmission or distributionSuperconducting electric elements or equipment010030010.672.171
Not elsewhere classified001000.5102.532
Hide subtree Enabling technologies in the energy sector11223.25212623.925.533.52219.8326
Enabling technologies in the energy sectorHide subtree Energy storage16.511.2513.5412.29.514.8311.088.511
Energy storageBatteries02.50.752.5124.55.834.5844
Capacitors020.53.506.22523.52
Thermal storage1196.52334213
Pressurised fluid storage000001000.500
Mechanical storage00011000101
Pumped storage01100000101
Hydrogen technology00.52.25011.556105.335.674.33
Fuel cells039.757.510.55.77.56.333.082.677.67
Smart grids in the energy sector0200012.52.332.533
Other energy conversion or management systems reducing greenhouse gas emissions0040.52021222.5
Hide subtree Climate change mitigation technologies related to wastewater treatment or waste management 15.8334.8336.672929.6729.1728.3324.922819.7528.33
Climate change mitigation technologies related to wastewater treatment or waste management Wastewater treatment7.512.523.17912.6712.1713.8313.088.336.754.83
Hide subtree Solid waste management8.3322.3311.519.515.51712.511.8318.1711.3322.5
Solid waste managementWaste collection, transportation, transfer or storage00011010000
Waste processing or separation00000000000
Landfill technologies aiming to mitigate methane emissions00010001011
Bio-organic fraction processing; production of fertilisers from the organic fraction of waste or refuse0.338.55.53021.51923
Hide subtree Reuse, recycling or recovery technologies813.83614.514.515109.839.178.3318.5
Reuse, recycling or recovery technologiesDismantling or mechanical processing of waste for the recovery of materials during separation, disassembly, pre-processing or upgrading11.5012.5310.50.510
Metal recycling1000000.50000
Disassembly of vehicles for recovery of salvageable parts00000000000
Construction or demolition [C&D] waste00000200000
Glass recycling10001000000
Plastics recycling03.5032.53.52.831126.5
Paper recycling20010101100
Disintegrating fibre-containing textile articles to obtain fibres for re-use00000000000
Rubber waste recycling11.5000000000
Recovery of polymers other than plastics or rubbers01010.512.3300.512
Recovery of luminescent materials0000000000.330
Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes00100000000
Recovery of tanning agents from leather00000000000
Recycling of wood or furniture waste (production of fertilisers from the organic fraction of waste or refuse)00000000000
Packaging reuse or recycling (bio-packaging)00000.51.51.512.512
Recycling of waste of electrical or electronic equipment10000000000
Recycling of batteries00000000001
Recycling of fuel cells00000000000
Nuclear fuel reprocessing00000000000
Reuse, recycling or recovery technologies cross-cutting to different types of waste16.3358.57.531.836.333.6737
Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas (GHG) emissions mitigation0020.51.50201.51.671
Hide subtree Capture, storage, sequestration or disposal of greenhouse gases116.510.8316.51218.8316.55.58.0512.5
Capture, storage, sequestration or disposal of greenhouse gasesCO2 capture or storage (CCS)116.510.8315.171215.5814.54.56.1511
Capture or disposal of greenhouse gases other than CO200001.3303.25211.91.5
Hide subtree Climate change mitigation technologies related to transportation16.231.530.0825.3325.4229.1730.6732.67253525.17
Climate change mitigation technologies related to transportationHide subtree Road transport14.22821.0819.519.7519.1722.1722.1712.52219.17
Road transportConventional vehicles (based on internal combustion engine)132215.8316.179.4239.515.178.51311.67
Hybrid vehicles0220.836.834.832.332120.5
Electric vehicles133.251.53.511.338.335377
Fuel efficiency-improving vehicle design (common to all road vehicles)0.21010020000
Rail transport00003003410
Maritime or waterways transport11210.33201320
Air transport12.554.831.832.54.56.54.541.5
Hide subtree Enabling technologies in transport00200.55.540164.5
Enabling technologies in transportElectric vehicle charging00200.54.530054.5
Application of fuel cell and hydrogen technology to transportation00000110110
Hide subtree Climate change mitigation technologies related to buildings718.923025.5850.7338.726.6732.7348.156746.53
Climate change mitigation technologies related to buildingsIntegration of renewable energy sources in buildings1697.3324.2511.33412.516.3322.2511
Hide subtree Energy efficiency in buildings49.921816.2525.4822.6719.1718.426.8240.7529.53
Energy efficiency in buildingsLighting12.585.52.251.33163.3349.89.25
Heating, ventilation or air conditioning [HVAC]25.555117.833.335.5811.56
Home appliances00113302010
Information and communication technologies10.833.578.656.834.834.578.327.456.78
Elevators, escalators and moving walkways00000000000
End-user side01311.54536.5117.5
Architectural or constructional elements improving the thermal performance of buildings200000.500.50.501.5
Enabling technologies in buildings033214.23.51.334.544.5
Hide subtree Climate change mitigation technologies in the production or processing of goods19.0843.3772.0880.7874.1780.3373.1872.8183.4453.568.92
Climate change mitigation technologies in the production or processing of goodsHide subtree Technologies related to metal processing13.751932.9236.5318.3330.513.3331.1714.3320.5818.5
Technologies related to metal processingReduction of greenhouse gas (GHG) emissions155.8352112.52.511.5
Hide subtree Process efficiency12.751427.0831.5316.3329.512.3328.6711.8319.5817
Process efficiencyby recovering materials10.751425.0826.0314.832911.3326.6710.6718.5815
by increasing the energy efficiency of the process20251.50.5121.1712
characterised by the energy source0000.50000000
Hide subtree Technologies relating to chemical industry3.8312.4515.5818.1726.3321.6719.4519.2832.781624
Technologies relating to chemical industryGeneral improvement of production processes causing greenhouse gases (GHG) emissions1.838.5610.5199.3311.6711.522.831011.5
Improvements relating to chlorine production00000000000
Improvements relating to adipic acid or caprolactam production00000000000
Improvements relating to chlorodifluoromethane (HCFC-22) production00000000000
Improvements relating to the production of products other than chlorine, adipic acid, caprolactam, or chlorodifluoromethane, e.g. bulk or fine chemicals or pharmaceuticals23.959.587.677.3312.337.787.789.94612.5
Hide subtree Technologies relating to oil refining and petrochemical industry001.56.174.835.54.834.332.0822.33
Technologies relating to oil refining and petrochemical industryReduction of greenhouse gas (GHG) emissions during production processes000001.500001
Bio-feedstock0014.333.832.53.832.332.0810.33
Carbon capture or storage (CCS) specific to hydrogen production0000.511.512011
Ethylene production000.51.330000000
Hide subtree Technologies relating to the processing of minerals1.51.331.338510.536.331.54
Technologies relating to the processing of mineralsProduction of cement0.500.33241034.3314
Cement grinding00000000000
Manufacturing or processing of sand or stone00000000000
Production or processing of lime00161000100
Glass production01.33000000000
Production of ceramic materials or ceramic elements1000000.5010.50
Hide subtree Technologies relating to agriculture, livestock or agroalimentary industries02.535839.54115.55
Technologies relating to agriculture, livestock or agroalimentary industriesAgricultural machinery or equipment000010202.502
Reduction of greenhouse gas (GHG) emissions in agriculture022241.55.2526.52.51
Land use policy measures00000000000
Afforestation or reforestation00000000000
Livestock or poultry management0000100.250000
Fishing00010000000
Apiculture00000000000
Food processing00.51221.522232
Climate change mitigation technologies in the production process for final industrial or consumer products06.5811.53.339.3316.1721.757.214.425.925.75
Climate change mitigation technologies for sector-wide applications0010.33000010.53.5
Enabling technologies with a potential contribution to greenhouse gas (GHG) emissions mitigation01.55.253.252.332.54.313.831.512.5
Data extracted on 18 Aug 2017 18:27 UTC (GMT) from OECD.Stat

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