Family size
Inventor country
UnitNumber
Year199020002005201020152016201720182019
Sort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descendingSort ascendingSort descending
Technology domain
All technologies (total patents)1 040.332 575.032 923.692 389.842 643.092 724.752 573.62 567.722 452.8
Hide subtree Environment-related technologies87.58197.83259.92313.85265.12282.7267.36235.57251.7
Environment-related technologiesHide subtree Environmental management63.92121.33161.33156.08111.67141.92134.92120.2119.12
Environmental managementHide subtree Air pollution abatement1529.1754.541.6728.082537.332219.2
Air pollution abatementEmissions abatement from stationary sources (e.g. SOx, NOx, PM emissions from combustion plants)1111.8316.259712.836.54.7
Emissions abatement from mobile sources (e.g. NOx, CO, HC, PM emissions from motor vehicles)1117.1724.3320.4211.251012.598.5
Air pollution abatement - Not elsewhere classified31118.3357.838126.56
Hide subtree Water pollution abatement34.3357.1767.6772.1742.8356.6752.8339.747.75
Water pollution abatementWater and wastewater treatment30.3353.1765.6769.6741.554.6750.8339.745.75
Fertilizers from wastewater..2............1
Oil spill and pollutant clean-up4222.51.3322..1
Hide subtree Waste management14.583436.1740.7536.555.2539.7555.548.17
Waste managementSolid waste collection1.579913129119
Material recovery, recycling and re-use7.2511.8311.33204.518.2515.2524.1715.67
Fertilizers from waste1.837.56.54.57.55.52.55.511.5
Incineration and energy recovery22.3315.253.1714.53.54
Waste management – Not elsewhere classified25.338.3328.3318.58.511.338
Soil remediation..12..342.514
Environmental monitoring....11.51.2512.52..
Hide subtree Climate change mitigation52.08128.83177.08234.02208.03217.37211.86174.87183.62
Climate change mitigationHide subtree Climate change mitigation in information and communication technologies (ICT)0.51.1744.579.339.535.175.336.67
Climate change mitigation in information and communication technologies (ICT)Energy efficient computing....21.0822.831.5..2.83
Energy efficiency in communication networks0.51.1723.487.336.73.675.333.83
Hide subtree Climate change mitigation technologies related to energy generation, transmission or distribution12.547.0883153.95137.62118.08123.69116.28125.9
Climate change mitigation technologies related to energy generation, transmission or distributionHide subtree Renewable energy generation627.5847.7590.6260.2852.7549.1953.545.33
Renewable energy generationWind energy..1.57.575.53.5335.5
Solar thermal energy410928.831411121210.5
Solar photovoltaic (PV) energy29.5815.2536.7830.1225.9220.363225.83
Solar thermal-PV hybrids....2..113.53.5..
Geothermal energy....11....0.33....
Marine energy, e.g. using wave energy or salinity gradient..3811.176.338.33612.5
Hydro energy..3.555.833.333421
Hide subtree Energy generation from fuels of non-fossil origin4.512.5131520.512.512.513.5
Energy generation from fuels of non-fossil originBiofuels, e.g. bio-diesel20.52.56.178.671468.56
Fuel from waste, e.g. synthetic alcohol or diesel2.50.5..6.836.336.56.547.5
Hide subtree Nuclear energy....1..2.51..1..
Nuclear energyNuclear fusion reactors....1....1..1..
Nuclear fission reactors........2.5........
Hide subtree Combustion technologies with mitigation potential (e.g. using fossil fuels, biomass, waste, etc.)..11611633
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.)....161..212
Technologies for improved input efficiency (efficient combustion or heat usage)..1......1421
Hide subtree Technologies for an efficient electrical power generation, transmission or distribution..1..160.5..11
Technologies for an efficient electrical power generation, transmission or distributionSuperconducting electric elements or equipment..1..13........
Smart grids as climate change mitigation technology in the energy generation sector........10.5......
Not elsewhere classified........2....11
Hide subtree Enabling technologies (technologies with potential or indirect contribution to GHG emission mitigation)216.527.7539.3345.3331.8349.539.2857.73
Enabling technologies (technologies with potential or indirect contribution to GHG emission mitigation)Hide subtree Energy storage21314.7519.832622.8332.4221.1237.48
Energy storageBatteries194.2511.3315.3314.8323.4217.2825.48
Capacitors..20.551.172.50.51.835.5
Mechanical energy storage, e.g. flywheels or pressurised fluids..11..31311
Thermal energy storage1193.56.54.5615.5
Hydrogen technology..0.53.251011.546.511.59.5
High-voltage direct current transmission..................
Fuel cells..39.759.57.83510.586.6710.75
Other energy conversion or management systems reducing GHG emissions....347.510.56.565.33
Hide subtree Climate change mitigation technologies related to wastewater treatment or waste management15.8328.6731.6726.7519.53127.6716.6727.83
Climate change mitigation technologies related to wastewater treatment or waste managementWastewater treatment8.59.522.1713.08710.515.538
Hide subtree Solid waste management7.3318.177.513.6711.518.511.1712.6716.33
Solid waste managementWaste collection, transportation, transfer or storage............1....
Waste processing or separation..................
Landfill technologies aiming to mitigate methane emissions......1......1..
Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse0.336.52.514.54.51.524
Hide subtree Reuse, recycling or recovery technologies711.67511.677148.679.6712.33
Reuse, recycling or recovery technologiesMechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly11.5..1.17111....
Waste management of vehicles..................
Construction or demolition [C&D] waste..........11....
Glass recycling1................
Plastics and rubber recycling13.5..2.1711.52..1.33
Paper recycling2....1..........
Disintegrating fibre-containing textile articles to obtain fibres for re-use..............0.33..
Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes....1............
Recycling of wood or furniture waste..................
Packaging reuse or recycling, e.g. of multilayer packaging......1..1134
Recycling of waste of electrical or electronic equipment (WEEE)1................
Recycling of batteries or fuel cells..............3.331
Use of waste materials as fillers for mortars or concrete16.6746.33510.53.6736
Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation..12..12113.5
Hide subtree Capture, storage, sequestration or disposal of greenhouse gases1..6.516.511.59.678122.7
Capture, storage, sequestration or disposal of greenhouse gasesCapture or disposal of nitrous oxide (N2O)........1..1....
Capture or disposal of methane (CH4)......221231
Capture or disposal of perfluorocarbons (PFC), hydrofluorocarbons (HFC) or sulfur hexafluoride (SF6)........0.5........
Capture or disposal of carbon dioxide (CO2)1..6.514.588.67591.7
Hide subtree Climate change mitigation technologies related to transportation1431.528.8330.8338.422845.3321.7321.9
Climate change mitigation technologies related to transportationHide subtree Road transport122819.8318.8322.83162714.0312.2
Road transportConventional vehicles (based on internal combustion engine)112213.8312.838.2561064.8
Hybrid vehicles..2222..12.5..
Electric vehicles133410.589135.536.4
Fuel efficiency-improving vehicle design (common to all road vehicles)..11..213..1
Rail transport......312....1
Maritime or waterways transport1121..21....
Aeronautics or air transport12.5575.8337.835.54.5
Hide subtree Enabling technologies in transport....218.7559.52.24.2
Enabling technologies in transportElectric vehicle charging....2..5.7555.51.24.2
Application of hydrogen technology to transportation, e.g. using fuel cells......13..41..
Hide subtree Climate change mitigation technologies related to buildings422.0830.7525.9236.3341.2840.0829.8330.67
Climate change mitigation technologies related to buildingsIntegration of renewable energy sources in buildings15911.337.513.2513.25913
Hide subtree Energy efficiency in buildings214.0819.7514.0822.8323.2824.0816.8310.67
Energy efficiency in buildingsEnergy efficient lighting13.585.755.087.837.03531.5
Energy efficient heating, ventilation or air conditioning [HVAC]16.510548.51145
Energy efficiency in home appliances....133..11..
Energy efficient elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies..................
End-user side143187.757.088.834.17
Architectural or constructional elements improving the thermal performance of buildings1....0.51......2
Enabling technologies in buildings..32..54.752.7545
Hide subtree Climate change mitigation technologies in the production or processing of goods17.5845.9253.6776.5371.9282.757179.4260.5
Climate change mitigation technologies in the production or processing of goodsHide subtree Technologies related to metal processing13.251925.5829.1720.6718.5829.0828.3319.5
Technologies related to metal processingReduction of greenhouse gas (GHG) emissions154.673.522....1
Process efficiency12.251420.9225.6718.6716.5829.0828.3318.5
Hide subtree Technologies relating to chemical industry1.836.55.515.5251913.5208.83
Technologies relating to chemical industryProcess efficiency in chemical industry..0.515.59.5439.52.5
Feedstock1.8362.54.510.512.54.546.33
Reduction of greenhouse gas [GHG] emissions, e.g. CO2....25.522.566.5..
Improvements relating to chlorine production..................
Improvements relating to adipic acid or caprolactam production..................
Improvements relating to fluorochloro hydrocarbon, e.g. chlorodifluoromethane [HCFC-22] production..................
Improvements relating to the production of bulk chemicals........3........
Hide subtree Technologies relating to oil refining and petrochemical industry....11.834.331.5..3..
Technologies relating to oil refining and petrochemical industryBio-feedstock....11.834.331.5..3..
Ethylene production..................
Hide subtree Technologies relating to the processing of minerals1.51.331.33325134
Technologies relating to the processing of mineralsProduction of cement0.5..0.33314134
Production or processing of lime....1....1......
Glass production..1.33..............
Production of ceramic materials or ceramic elements1......1........
Hide subtree Technologies relating to agriculture, livestock or agroalimentary industries..1.523410.7511615.33
Technologies relating to agriculture, livestock or agroalimentary industriesUsing renewable energies, e.g. solar water pumping..........1....2
Measures for saving energy, e.g. in green houses..........2......
Reduction of greenhouse gas [GHG] emissions in agriculture..112336.5212.33
Land use policy measures..................
Afforestation or reforestation..................
Livestock or poultry management..................
Fishing; Aquaculture; Aquafarming........1........
Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking..0.51114.754.541
Technologies in the production process for final industrial or consumer products111.0812.2513.77.838.924.757.834
Climate change mitigation technologies for sector-wide applications..4..12.8353.832.52.5
Enabling technologies with a potential contribution to GHG emissions mitigation..2.569.335.25147.838.756.33
Hide subtree Climate change adaptation technologies41.33110.23187.57116.92103.87127.83119.12126.63110
Climate change adaptation technologiesHide subtree Adaptation at coastal zones or river basin..1..1.512111
Adaptation at coastal zones or river basinHard structures, e.g. dams, dykes or breakwaters..........1......
Dune restoration or creation; cliff stabilisation..................
Artificial reefs or seaweed; restoration or protection of coral reefs........1....11
Flood prevention; flood or storm water management..1..1.5..11....
Controlling, monitoring or forecasting............1....
Hide subtree Water resource management4640.525.520.3319.52922.217.08
Water resource managementHide subtree Demand-side technologies (water conservation)18497.59.338.57137
Demand-side technologies (water conservation)Indoor water conservation..1533.52.5152
Irrigation water conservation..30.52.55.336575
Water conservation in thermoelectric power production..13.520.5..11..
Hide subtree Supply-side technologies (water availability)4231.5181111229.210.08
Supply-side technologies (water availability)Water desalination....6.533150.21.08
Water filtration; Water and wastewater treatment3288237.52.5..
Water collection (rain, surface and ground-water)1..116665.56.55
Water storage and distribution....31..13..4
Protecting water resources....3......1....
Hide subtree Adapting or protecting infrastructure or their operation327211..2.52
Adapting or protecting infrastructure or their operationExtreme weather resilient electric power supply systems..................
Structural elements or technology for improving thermal insulation1....0.511....2
Relating to heating, ventilation or air conditioning [HVAC] technologies....50.5......2..
In transportation2111......0.5..
Planning or developing urban green infrastructure..11............
Hide subtree Adaptation technologies in agriculture, forestry, livestock or agro-alimentary production4.831614.5311.8312.518.179.720.3711
Adaptation technologies in agriculture, forestry, livestock or agro-alimentary productionIn agriculture3.8313.55.837.67911.176.213.377.5
Ecological corridors or buffer zones....1............
In food processing or handling, e.g. food conservation..210.330.5112..
In livestock or poultry..................
In fisheries management10.56.73.83362.553.5
Hide subtree Adaptation technologies in human health protection, e.g. against extreme weather8.8327.2829.6718.1314.8518.4219.681819.42
Adaptation technologies in human health protection, e.g. against extreme weatherAir quality improvement or preservation146.335213.33..1.33
Against vector-borne diseases whose impact is exacerbated by climate change7.8323.2823.3313.1312.8517.4216.341718.08
Hide subtree Technologies having an indirect contribution to adaptation to climate change..3.336.3324.755.334.4325.5
Technologies having an indirect contribution to adaptation to climate changeInformation and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation..3.33624.755.333.9314.5
Assessment of water resources....0.33......0.51..
Monitoring or fighting invasive species................1
Hide subtree Sustainable ocean economy122049.45730.3342.673514.420.17
Sustainable ocean economyHide subtree Ocean renewable energy generation..3815.177.338.33614.5
Ocean renewable energy generationOffshore wind energy......21......2
Offshore solar energy......2..........
Tide, wave, current and other marine energy..3811.176.338.33612.5
Hide subtree Ocean pollution abatement44.535.51.8322..1
Ocean pollution abatementBallast water treatment....110.5........
Oil spill (and other floating debris) prevention and cleanup44.524.51.3322..1
Hide subtree Climate change mitigation in maritime transport1111..21....
Climate change mitigation in maritime transportImproved vessel design1111..1......
Fuel-efficient propulsion or fuel substitution......1..11....
Climate change mitigation and adaptation in fishing, aquaculture and aquafarming10.56.73.83362.553.5
Desalination of sea water....6.533150.21.08
Climate change adaptation in coastal zones..1..1.512111
Data extracted on 20 Jan 2022 01:19 UTC (GMT) from OECD.Stat

Information

Please check the i to get information