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

Ronald W. Downing

TETrendsetter Engineering: 1 patents #12 of 20Top 60%
Mansfield, OH: #87 of 264 inventorsTop 35%
Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,072,274 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8449221 Method and apparatus for repairing a damaged section of a subsea pipeline Mario R. Lugo, Noel F. Mascarenhas 2013-05-28
4684246 Soft contact lens analyzer Elizabeth A. Downing 1987-08-04