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

William Ferrell McCollough — 2 Patents

POPolytech: 1 patents #3 of 3Top 100%
Laurel, MD: #200 of 605 inventorsTop 35%
Maryland: #13,510 of 35,612 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William Ferrell McCollough has been granted 2 US patents while listed as an inventor at Polytech. The first was granted in 2000 and the most recent in October 2025. William Ferrell McCollough ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William Ferrell McCollough in Laurel, MD, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12448074 Motorcycle chain oiling tool for aerosol lubrication 2025-10-21
6044600 Retrofit threshold 2000-04-04