DM

Darel Mesher

TT Tetra Tech: 10 patents #1 of 5Top 20%
📍 Spruce Grove, CA: #1 of 8 inventorsTop 15%
Overall (2020): #9,536 of 565,922Top 2%
10
Patents 2020

Issued Patents 2020

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10870441 Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track 2020-12-22
10807623 Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track 2020-10-20
10730538 Apparatus and method for calculating plate cut and rail seat abrasion based on measurements only of rail head elevation and crosstie surface elevation 2020-08-04
10723373 Broken wheel detection system 2020-07-28
10728988 Light emission power control apparatus and method 2020-07-28
10625760 Apparatus and method for calculating wooden crosstie plate cut measurements and rail seat abrasion measurements based on rail head height 2020-04-21
10616556 3D track assessment method 2020-04-07
10616558 3D track assessment method 2020-04-07
10616557 3D track assessment method 2020-04-07
10582187 3D track assessment method 2020-03-03