Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David G. England — 1 Patent in 2021

HTHeliotrope Technologies: 1 patents #5 of 10Top 50%
Alameda, CA: #76 of 213 inventorsTop 40%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #485,763 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11079650 Temperature control for electrochromic devices Jason Holt, Guillermo Garcia, Scott V. Thomsen, Peter C. Green, Amir Bayati 2021-08-03