127314 ⎘
Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers; Placing the ballast; Making ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means; Spreading, levelling or redistributing ballast already placed by means of non-driven tools
Sweeping device for working on a track system
#2System, method and appartus for in-situ, dynamic repair of a railroad
#3Roadworthy rail ballast regulator
#4Railcar ballast distributing apparatus
#5Ballast removal process