PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders B61K; removal of foreign matter from the permanent way, vegetation control, applying liquids E01H)
| Subclass | Title |
|---|---|
| 1/00 | Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway (draining by trenches, culverts, or conduits E01F 5/00) |
| 2/00 | General structure of permanent way (railway networks B61B 1/00; foundations for pavings E01C 3/00; foundations in general E02D) |
| 3/00 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails |
| 3/02 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) |
| 3/04 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Means for preventing cleaving |
| 3/06 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Means for preventing cleaving Anti-cracking dogs |
| 3/08 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Means for preventing cleaving Straps or bands for hooping or encircling sleepers (apparatus for hooping wooden railway sleepers on the spot E01B 31/28) |
| 3/10 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Composite sleepers |
| 3/12 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers |
| 3/14 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from wood (drying or impregnating B27K) Slabs; Blocks; Fastening tie-rods to them |
| 3/16 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel |
| 3/18 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel Composite sleepers |
| 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) |
| 3/22 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers |
| 3/24 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel Slabs; Blocks; Pot sleepers; Fastening tie-rods to them |
| 3/26 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from steel combined with inserts of wood, artificial stone, or other material |
| 3/28 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone (manufacture B28) |
| 3/30 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone (manufacture B28) Hollow sleepers |
| 3/32 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone (manufacture B28) with armouring or reinforcement (hollow sleepers E01B 3/3) |
| 3/34 | Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone (manufacture B28) with armouring or reinforcement (hollow sleepers E01B 3/3) with pre-tensioned armouring or reinforcement (pre-tensioned armouring or reinforcing elements E04C 5/00) |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,071 | PREFABRICATED WIRE MESH ASSEMBLY FOR BALLAST AND METHOD OF CONSTRUCTING GRAVEL-BALLASTED TRACK USING THE SAME | Oct 08, 24 | Apr 10, 25 | KOREA RAILROAD RESEARCH INSTITUTE |
| 2025/0116,073 | TAMPING UNIT FOR TAMPING A TRACK | Aug 02, 22 | Apr 10, 25 | Not available |
| 2025/0116,333 | RAIL FASTENER SEALING SYSTEMS AND METHODS FOR SEALING A RAIL FASTENING ASSEMBLY | Oct 04, 24 | Apr 10, 25 | Jamak Fabrication-Tex LLC |
| 2025/0116,072 | Travel Restrictor | Oct 09, 24 | Apr 10, 25 | Not available |
| 2025/0109,555 | Transport Facility | Sep 27, 24 | Apr 03, 25 | Not available |
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