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

John Malott Cottrill

GE: 4 patents #8,224 of 36,430Top 25%
Franklin, OH: #25 of 115 inventorsTop 25%
Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,084,911 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12350750 Methods and systems of electrochemical machining Andrew Lee Trimmer, Douglas Carl Hofer, Bugra Han Ertas 2025-07-08
12320029 Methods and systems of electrochemical machining Andrew Lee Trimmer 2025-06-03
10556280 Methods and systems for electrochemical machining Andrew Lee Trimmer 2020-02-11
10487416 Electrochemical machining employing electrical voltage pulses to drive reduction and oxidation reactions Andrew Lee Trimmer, Douglas Lewis 2019-11-26