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

John Joseph Costello

Rolls-Royce Plc: 28 patents #18 of 1,164Top 2%
RARolls-Royce North America: 19 patents #26 of 447Top 6%
CICisco: 10 patents #1,401 of 13,007Top 15%
CICorning Incorporated: 7 patents #761 of 3,867Top 20%
CCCorning Optical Communications: 3 patents #193 of 532Top 40%
RCR.E. Phelon Company: 1 patents #15 of 35Top 45%
CAChampion Aerospace: 1 patents #6 of 9Top 70%
3M: 1 patents #7,233 of 11,543Top 65%
Claregalway, NY: #2 of 2 inventorsTop 100%
Overall (All Time): #50,358 of 4,157,543Top 2%
52 Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
5755199 Discharge ignition apparatus for internal combustion engine having built-in overspeed disable capability George T. Hummert, Edward D. Moran 1998-05-26
5506407 High resolution high speed film measuring apparatus and method John S. Huizinga 1996-04-09