Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
CL

Chase H. Langreck

West Union, IA: #1 of 1 inventorsTop 100%
Iowa: #375 of 1,331 inventorsTop 30%
Overall (2025): #425,897 of 469,880Top 95%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12326184 Captive clutch for vehicle transmission Allen J. Massman, James W. Weissenfluh 2025-06-10