Patents
Patents for E01B 29 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor (3,515)
09/1977
09/13/1977US4047486 Excavator blade for replacing railroad sleepers
09/13/1977US4047280 Method for removing ties under railroad track
09/06/1977US4046077 Track renewal method and apparatus
06/1977
06/07/1977US4027397 Mobile track surveying apparatus
04/1977
04/19/1977US4018165 Tie replacing system
01/1977
01/25/1977US4004524 Method of renewal of a railroad track and train therefor
01/11/1977US4002320 Rail-lifting implement
01/04/1977US4000699 Apparatus for replacement of rail tracks
09/1976
09/21/1976US3982091 Welding apparatus
09/21/1976US3981247 Track working machine with vibratory and reciprocable track working tools
08/1976
08/03/1976US3972292 Track renewal apparatus
06/1976
06/22/1976US3964397 Railroad tie handling machine and method
04/1976
04/06/1976US3948185 Method and apparatus for removing railroad ties
03/1976
03/23/1976US3946434 Color television camera with luminance non-uniformity compensation
03/16/1976US3943858 Machine for setting tie plates and the like
1 ... 26 27 28 29 30 31 32 33 34 35 36