Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WF

Walter B. Freeman

Cave Junction, OR: #1 of 1 inventorsTop 100%
Oregon: #530 of 4,557 inventorsTop 15%
Overall (2020): #41,842 of 565,922Top 8%
4 Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10823459 Solar thermal collecting system 2020-11-03
10794227 System and method for harnessing latent heat to generate energy 2020-10-06
10794369 Solar powered closed loop system and method for powering a cooling device 2020-10-06
10739083 System and method for storing thermal energy in a heated liquid in a pressurized vessel 2020-08-11