DE

Douglas R. Earnest

SI Southwest Research Institute: 2 patents #288 of 935Top 35%
TC Transportation Technology Center: 1 patents #8 of 17Top 50%
📍 San Antonio, TX: #1,537 of 5,017 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,346,205 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12411111 Reference-free load-modulated longitudinal rail stress measurement using ultrasonic LCR waves Xin Chen, Adam C. Cobb, Keith A. Bartels 2025-09-09
10739314 Omni-directional guided wave testing of plate structures using probe having rotating guided wave sensor Sergey A. Vinogradov, Adam C. Cobb, Jonathan D. Bartlett, Greg A. Bustamante, Clinton J. Thwing 2020-08-11
6768298 Transverse crack detection in rail head using low frequency eddy currents Gopichand Katragadda, Gregory Anthony Garcia, Richard Paul Reiff 2004-07-27