Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Gregory A. Ludgate — 2 Patents in 2021

Xerox: 2 patents #67 of 329Top 25%
Ontario, NY: #4 of 15 inventorsTop 30%
New York: #2,451 of 12,766 inventorsTop 20%
Overall (2021): #159,706 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11117386 Ink reservoir with pneumatically driven integrated piston and shut-off valves Timothy G. Shelhart, Michael J. Severn, Richard P. Ficarra, Dale T. Platteter, Victoria L. Warner 2021-09-14
10968068 Retail edge marker accumulation and collation system Douglas K. Herrmann 2021-04-06