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