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

Gary Barnhart

CPChemetron-Railway Products: 1 patents #1 of 2Top 50%
Roeland Park, KS: #2 of 4 inventorsTop 50%
Kansas: #364 of 1,219 inventorsTop 30%
Overall (2016): #399,135 of 481,213Top 85%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9422674 In-track rail welding system Charles R. Battisti 2016-08-23