Class B61K : OTHER AUXILIARY EQUIPMENT FOR RAILWAYS
Subclass 7/08: Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like (skids, wedges, vehicle-mounted scotch blocks B61H; operating mechanisms for track-mounted scotch-blocks B61L) Track brakes or retarding apparatus with clamping action operated pneumatically or hydraulically
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11352032 | Universal retarder system for railway cars | Jun 06, 19 | Jun 07, 22 | Precision Rail and Mfg., Inc. |
| 8996243 | Track brake with at least one vertically-movable braking element and method for determining the respective position thereof | Jun 14, 12 | Mar 31, 15 | SIEMENS AKTIENGESELLSCHAFT |
| 8899385 | Systems for retarding the speed of a railcar | May 27, 11 | Dec 02, 14 | PRECISION RAIL AND MFG., INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0002,060 | RETARDER DEVICES AND METHODS FOR SHIMMING RETARDER DEVICES FOR SLOWING RAILCARS | Jun 28, 23 | Jan 02, 25 | Precision Rail and Mfg., Inc. |
| 2023/0331,265 | SYSTEMS AND METHODS FOR RETARDING THE SPEED OF A RAILCAR | Mar 22, 23 | Oct 19, 23 | Precision Rail and Mfg., Inc. |
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