Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

Don Hamilton — 1 Patent in 2025

EVEvapco: 1 patents #2 of 19Top 15%
Taneytown, MD: #2 of 8 inventorsTop 25%
Maryland: #910 of 3,049 inventorsTop 30%
Overall (2025): #180,257 of 469,880Top 40%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12359828 Low charge packaged ammonia refrigeration system with evaporative condenser Kurt Liebendorfer, Gregory S. Derosier, Trevor Hegg, Sarah L. Ferrari, Nicholas Hesser +1 more 2025-07-15