Class E01B : PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Subclass 3/20: Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel Sleeper construction for special purposes, e.g. with openings for ballast working (sleepers for shiftable track for heavy loads E01B 23/12)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188185 | Method, apparatus and system for lifting railroad structures | Dec 01, 21 | Jan 07, 25 | ENERPAC TOOL GROUP CORP. |
| 11225758 | Automated railroad tie unloading | Jun 26, 19 | Jan 18, 22 | Union Pacific Railroad Company |
| 9644323 | Train rail track structure systems | Mar 03, 16 | May 09, 17 | Not available |
| 9062419 | Rail system for jacking tower | Mar 12, 13 | Jun 23, 15 | KONECRANES GLOBAL CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0084,593 | METHOD, APPARATUS AND SYSTEM FOR LIFTING RAILROAD STRUCTURES | Nov 26, 24 | Mar 13, 25 | Enerpac Tool Group Corp. |
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