Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DF

Dayu Feng

SI Sigma Industries: 1 patents #1 of 2Top 50%
TL Techtronic Outdoor Products Technology Limited: 1 patents #1 of 3Top 35%
📍 Seneca, SC: #1 of 15 inventorsTop 7%
🗺 South Carolina: #65 of 1,374 inventorsTop 5%
Overall (2025): #64,562 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12389824 Speed control assembly James C. Ferrell, William E. Colber 2025-08-19
D1070659 Electric motorcycle Trent J. Dingman 2025-04-15
D1068860 Electric lawn mower Travis Clark 2025-04-01