Filing Trends · energy
Clean Energy patents
Patents covering solar, wind, battery storage, fuel cells, and energy management.
Total patents
50
Peak year
2025
CAGR 2020–24
-6.9%
Trend
→ Stable
→ Stable· -6.9% CAGR (2020–2024)
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90
19942010201520202025
By decade
1990s
Patents
2
Citations
341
2000s
Patents
2
Citations
52
2010s
Patents
19
Citations
232
2020s
Patents
27
Citations
109