JL

Jeffrey A. Ley

JM Joy Global Underground Mining: 2 patents #2 of 32Top 7%
Overall (2021): #150,524 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11180992 High stress impact detection for a longwall shearer Edward F. Niederriter 2021-11-23
11180993 Impact event logging system and method for longwall shearer Edward F. Niederriter 2021-11-23