Environment-related technologies patents — Patent grants in Bulgaria
Bulgaria: Environment-related technologies patents — Patent grants was 4 Patents in 2022. ◆ Volatile
Environment-related technologies patents — Patent grants in Bulgaria, 1978–2022
Source: Organisation for Economic Co-operation and Development. Measured in Patents.
Analysis
In 2022, environment-related technologies patents — patent grants in Bulgaria stood at 4 Patents.
The figure is down 77.1% on the previous year and down 60.0% over ten years.
Over the whole period, environment-related technologies patents — patent grants in Bulgaria peaked at 22 Patents in 2018 and was at its lowest, 0 Patents, in 1978.
That places Bulgaria 39th out of 88 countries with data for 2022, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Environment-related technologies patents — Patent grants in Bulgaria, year by year
| Year | Patents | Change |
|---|---|---|
| 1978 | 0 Patents | — |
| 1979 | 0 Patents | — |
| 1980 | 0 Patents | — |
| 1981 | 6 Patents | — |
| 1982 | 4 Patents | -33.3% |
| 1983 | 13 Patents | +225.0% |
| 1984 | 10 Patents | -23.1% |
| 1985 | 18 Patents | +80.0% |
| 1986 | 10 Patents | -44.4% |
| 1987 | 7 Patents | -30.0% |
| 1988 | 2 Patents | -71.4% |
| 1989 | 1 Patents | -50.0% |
| 1990 | 1.5 Patents | +50.0% |
| 1991 | 1.5 Patents | +0.0% |
| 1992 | 1 Patents | -33.3% |
| 1993 | 4.67 Patents | +366.7% |
| 1994 | 1 Patents | -78.6% |
| 1995 | 0.5 Patents | -50.0% |
| 1996 | 1.25 Patents | +150.0% |
| 1997 | 4 Patents | +220.0% |
| 1998 | 3 Patents | -25.0% |
| 1999 | 3 Patents | +0.0% |
| 2000 | 5 Patents | +66.7% |
| 2001 | 1 Patents | -80.0% |
| 2002 | 7 Patents | +600.0% |
| 2003 | 7.6 Patents | +8.6% |
| 2004 | 5 Patents | -34.2% |
| 2005 | 6.6 Patents | +32.0% |
| 2006 | 6 Patents | -9.1% |
| 2007 | 5.5 Patents | -8.3% |
| 2008 | 8 Patents | +45.5% |
| 2009 | 7 Patents | -12.5% |
| 2010 | 10 Patents | +42.9% |
| 2011 | 3 Patents | -70.0% |
| 2012 | 10 Patents | +233.3% |
| 2013 | 13.38 Patents | +33.8% |
| 2014 | 17.5 Patents | +30.8% |
| 2015 | 19.33 Patents | +10.5% |
| 2016 | 17.5 Patents | -9.5% |
| 2017 | 17 Patents | -2.9% |
| 2018 | 22 Patents | +29.4% |
| 2019 | 21 Patents | -4.5% |
| 2020 | 19.5 Patents | -7.1% |
| 2021 | 17.5 Patents | -10.3% |
| 2022 | 4 Patents | -77.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0 Patents | 0 Patents | 0 Patents | 2 |
| 1980s | 7.1 Patents | 0 Patents | 18 Patents | 10 |
| 1990s | 2.14 Patents | 0.5 Patents | 4.67 Patents | 10 |
| 2000s | 5.87 Patents | 1 Patents | 8 Patents | 10 |
| 2010s | 15.07 Patents | 3 Patents | 22 Patents | 10 |
| 2020s | 13.67 Patents | 4 Patents | 19.5 Patents | 3 |
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 grants in Bulgaria?
- Environment-related technologies patents — patent grants in Bulgaria was 4 Patents in 2022, according to Organisation for Economic Co-operation and Development.
- What is the highest environment-related technologies patents — patent grants recorded in Bulgaria?
- The highest recorded value was 22 Patents in 2018.
- What is the lowest environment-related technologies patents — patent grants recorded in Bulgaria?
- The lowest recorded value was 0 Patents in 1978.
- How does Bulgaria rank for environment-related technologies patents — patent grants?
- Bulgaria ranks 39th out of 88 countries with data for 2022.
- Is environment-related technologies patents — patent grants rising or falling in Bulgaria?
- Over the last ten years it is down 60.0%. 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 grants. Statizoid updates them automatically from the source API.
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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.