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

Darrell Cantrell — 1 Patent

PSProgress Rail Services: 1 patents #55 of 125Top 45%
Shawnee, KS: #241 of 399 inventorsTop 65%
Kansas: #6,371 of 12,005 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Darrell Cantrell has been granted 1 US patent while listed as an inventor at Progress Rail Services. All of these patents were granted in 2023. Darrell Cantrell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Darrell Cantrell in Shawnee, KS, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11834082 Rail buckle detection and risk prediction Marc D. Miller, Chad A. Moore, Lawrence A. Mianzo, Mike Hoffelder, Derrill J. Koelz +1 more 2023-12-05