Environment-related technologies patents — Patent applications in Bulgaria
Bulgaria: Environment-related technologies patents — Patent applications was 33 Patents in 2023. ◆ Volatile
Environment-related technologies patents — Patent applications in Bulgaria, 1978–2023
Source: Organisation for Economic Co-operation and Development. Measured in Patents.
Analysis
The most recent figure for environment-related technologies patents — patent applications in Bulgaria is 33 Patents, measured in 2023.
That represents a change of down 1.5% on the previous year and up 11.4% over ten years.
Over the whole period, environment-related technologies patents — patent applications in Bulgaria peaked at 49.4 Patents in 2020 and was at its lowest, 0 Patents, in 1978.
Bulgaria ranks 41st of 88 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0 Patents | 0 Patents | 0 Patents | 2 |
| 1980s | 13.55 Patents | 0 Patents | 25 Patents | 10 |
| 1990s | 4.99 Patents | 1 Patents | 11.5 Patents | 10 |
| 2000s | 12.56 Patents | 3.75 Patents | 19.1 Patents | 10 |
| 2010s | 25.95 Patents | 8 Patents | 37 Patents | 10 |
| 2020s | 39.81 Patents | 33 Patents | 49.4 Patents | 4 |
Countries ranked near Bulgaria
More environment data for Bulgaria
- Historical exposure to drought — Land soil moisture anomaly -1.39 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -1.52 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.573 °C (2025)
- Temperature change 2.18 °C (2025)
- Other paper and paperboard, not elsewhere specified — Import 21.6 % change on previous year (2024)
- Other paper and paperboard, not elsewhere specified — Import 0.0018 t per person (2024)
- Exposure to drought — Land soil moisture anomaly -7.74 Percentage change (2024)
- Exposure to drought — Cropland soil moisture anomaly -8.72 Percentage change (2024)
- Other paper and paperboard, not elsewhere specified — Import value 4.19 % change on previous year (2024)
Frequently asked questions
- What is environment-related technologies patents — patent applications in Bulgaria?
- Environment-related technologies patents — patent applications in Bulgaria was 33 Patents in 2023, according to Organisation for Economic Co-operation and Development.
- What is the highest environment-related technologies patents — patent applications recorded in Bulgaria?
- The highest recorded value was 49.4 Patents in 2020.
- What is the lowest environment-related technologies patents — patent applications recorded in Bulgaria?
- The lowest recorded value was 0 Patents in 1978.
- How does Bulgaria rank for environment-related technologies patents — patent applications?
- Bulgaria ranks 41st out of 88 countries with data for 2023.
- Is environment-related technologies patents — patent applications rising or falling in Bulgaria?
- Over the last ten years it is up 11.4%. The long-run trend across the full record is volatile.
- Where does this Bulgaria data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Environment-related technologies patents — Patent applications. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 46 observations, free to reuse under OECD Terms and Conditions (attribution required).
About this data
To identify patents in environment-related technologies (ENV-TECH), detailed search strategies have been developed drawing on more than 200,000 classification symbols. The search strategies encompass a broad spectrum of technologies related to environmental pollution, water scarcity, climate change mitigation.