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

Michael E. Drummond — 2 Patents

DSDrummond Scientific: 1 patents #3 of 8Top 40%
Malvern, PA: #247 of 529 inventorsTop 50%
Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #1,975,950 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9591846 Apparatus and method for separating and storing human reproductive material in a cryotank Jack A. Walker, Scott B. Ferguson 2017-03-14
7475653 Sealed-system critical temperature indicator Albert J. Moses 2009-01-13