Bulgaria vs Thailand: Environment-related technologies patents — Patent grants

Bulgaria
4 Patents
in 2022
Thailand
3.5 Patents
in 2022
Bulgaria rank
39th
Thailand rank
42nd

Environment-related technologies patents — Patent grants over time

  • Bulgaria
  • Thailand
0204060197820002022

How they compare

Bulgaria currently reports 4 Patents against 3.5 Patents in Thailand, a difference of 0.5 Patents.

That makes Bulgaria's figure about 1.1 times Thailand's.

The two have swapped places 15 times across 45 shared years of data; in 1978 it was Thailand ahead.

Bulgaria ranks 39th and Thailand ranks 42nd of 88 countries.

Across the 6 decades both report, Bulgaria averaged higher in 3 and Thailand in 2.

Head to head by decade

Decade Bulgaria Thailand Difference Ahead
1970s 0 Patents 0 Patents 0 Patents
1980s 7.1 Patents 0.1333 Patents 6.97 Patents Bulgaria
1990s 2.14 Patents 2.2 Patents 0.0583 Patents Thailand
2000s 5.87 Patents 4.68 Patents 1.19 Patents Bulgaria
2010s 15.07 Patents 25.64 Patents 10.57 Patents Thailand
2020s 13.67 Patents 8.67 Patents 5 Patents Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher environment-related technologies patents — patent grants, Bulgaria or Thailand?
Bulgaria, at 4 Patents against 3.5 Patents in Thailand as of 2022.
What is the difference in environment-related technologies patents — patent grants between Bulgaria and Thailand?
0.5 Patents, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Thailand?
45 years are reported by both, from 1978 to 2022.
How do Bulgaria and Thailand rank globally for environment-related technologies patents — patent grants?
Bulgaria ranks 39th and Thailand ranks 42nd of 88 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Environment-related technologies patents — Patent grants. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Thailand: Environment-related technologies patents — Patent grants. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 25 August 2026, from https://environment.statizoid.com/compare/environment-related-technologies-patents-patent-grants/bulgaria/thailand/

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About this data

Indicator
Environment-related technologies patents — Patent grants
Unit
Patents
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
104 places, 4,680 data points, 1978–2022
Last refreshed

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.