Patent registration trends for the top seven origins

Figure Created 30 Oct 2014 Published 28 Feb 2015 Last modified 01 Sep 2016
The graph shows the total number of patent applications to the European Patent Office, aggregated for all countries of the world, for environment-related categories.

European data


Additional information

References to figure

A) Technologies specific to propulsion using internal combustion engine (ICE) (e.g. conventional petrol/diesel vehicle, hybrid vehicle with ICE); technologies specific to propulsion using electric motor (e.g. electric vehicle, hybrid vehicle); technologies specific to hybrid propulsion (e.g. hybrid vehicle propelled by electric motor and internal combustion engine); fuel efficiency-improving vehicle design (e.g. streamlining)
B) Energy storage; hydrogen production (from non-carbon sources), distribution, and storage; fuel cells.
C) Air pollution abatement (from stationary sources); water pollution abatement; waste management; soil remediation; environmental monitoring.
D) Insulation (including thermal insulation, double-glazing); heating (including water and space heating; air-conditioning); lighting (including CFL, LED)
E) Capture, storage, sequestration or disposal of greenhouse gases.
F) Technologies for improved output efficiency (Combined combustion); technologies for improved input efficiency (Efficient combustion or heat usage)

European Environment Agency (EEA)
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