Annual patents filed for energy storage technologies in Bulgaria

Bulgaria: Annual patents filed for energy storage technologies was 1 patents in 2020. β–Ό Falling

Latest (2020)
1 patents
Change on year
unchanged
World rank
39th
of 55 countries
All-time high
2 patents
in 2001
All-time low
1 patents
in 2000
Years of data
9
2000–2020

Annual patents filed for energy storage technologies in Bulgaria, 2000–2020

00.511.522000201020202000: 1 patents2001: 2 patents2002: 1 patents2011: 1 patents2012: 1 patents2015: 1 patents2017: 2 patents2018: 1 patents2020: 1 patents

Source: IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data. Measured in patents.

Analysis

The most recent figure for annual patents filed for energy storage technologies in Bulgaria is 1 patents, measured in 2020. That is the lowest value across all 9 years on record.

That represents a change of unchanged over ten years.

Over the whole period, annual patents filed for energy storage technologies in Bulgaria peaked at 2 patents in 2001 and was at its lowest, 1 patents, in 2000.

That places Bulgaria 39th out of 55 countries with data for 2020, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.33 patents 1 patents 2 patents 3
2010s 1.2 patents 1 patents 2 patents 5
2020s 1 patents 1 patents 1 patents 1

Countries ranked near Bulgaria

  1. 39 Austria 1 patents compare
  2. 39 Belgium 1 patents compare
  3. 39 Croatia 1 patents compare
  4. 39 Cyprus 1 patents compare
  5. 39 Denmark 1 patents compare
  6. 39 Hong Kong 1 patents compare
  7. 39 India 1 patents compare
  8. 39 Lithuania 1 patents compare
  9. 39 Malaysia 1 patents compare
  10. 39 Morocco 1 patents compare
  11. 39 New Zealand 1 patents compare
  12. 39 Romania 1 patents compare
  13. 39 South Africa 1 patents compare
  14. 39 Spain 1 patents compare
  15. 39 Switzerland 1 patents compare
  16. 39 Tunisia 1 patents compare

See the full ranking of 55 places β†’

More energy & mining data for Bulgaria

All data for Bulgaria β†’

Frequently asked questions

What is annual patents filed for energy storage technologies in Bulgaria?
Annual patents filed for energy storage technologies in Bulgaria was 1 patents in 2020, according to IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data.
What is the highest annual patents filed for energy storage technologies recorded in Bulgaria?
The highest recorded value was 2 patents in 2001.
What is the lowest annual patents filed for energy storage technologies recorded in Bulgaria?
The lowest recorded value was 1 patents in 2000.
How does Bulgaria rank for annual patents filed for energy storage technologies?
Bulgaria ranks 39th out of 55 countries with data for 2020.
Is annual patents filed for energy storage technologies rising or falling in Bulgaria?
Over the last ten years it is unchanged. The long-run trend across the full record is falling.
Where does this Bulgaria data come from?
The figures come from IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data, published as part of Annual patents filed for energy storage technologies. Statizoid updates them automatically from the source API.

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About this data

Indicator
Annual patents filed for energy storage technologies
Unit
patents
Source
IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
55 places, 1,074 data points, 2000–2024
Last refreshed

Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.