Class B61G : COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES
Subclass 1/36: Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means with shackles and hooks, e.g. specially adapted for mine cars
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11560161 | Railway vehicle, coupler, and coupler body thereof | Jun 26, 19 | Jan 24, 23 | CRRC QIQIHAR ROLLING STOCK CO., LTD. |
| 11472447 | Railroad freight car coupling system | Apr 06, 21 | Oct 18, 22 | Miner Enterprises, Inc. |
| 11364752 | Towing hook | Jun 14, 18 | Jun 21, 22 | Sandvik Mining and Construction Oy |
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