Class B61F : RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE
Subclass 1/02: Underframes (making railway vehicle underframes by forging or pressing B21K 7/12) with a single central sill
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12054183 | Open top gondola railcar | Sep 11, 20 | Aug 06, 24 | JAC Operations, Inc. |
| 11945476 | Railcar cold formed center sill with stiffness enhancing structure | May 05, 22 | Apr 02, 24 | JAC Operations, Inc. |
| 11845480 | Sill connection for railcar structure | Sep 11, 20 | Dec 19, 23 | Trinity Rail Group, LLC |
| 11807280 | Composite insulated boxcar floor | Nov 13, 20 | Nov 07, 23 | Trinity Rail Group, LLC |
| 11702117 | Stub sill assemblies | Mar 10, 21 | Jul 18, 23 | Gunderson LLC |
| 11338831 | Railcar having cold formed center sill with stiffness enhancing structure | Nov 21, 19 | May 24, 22 | JAC Operations, Inc. |
| 11225270 | Chassis component of railway vehicle, and railway vehicle | Nov 21, 18 | Jan 18, 22 | CRRC QINGDAO SIFANG CO., LTD. |
| 10471974 | Railcar | Mar 20, 15 | Nov 12, 19 | Kawasaki Jukogyo Kabushiki Kaisha |
| 9669848 | Energy absorption/coupling system for a railcar and related method for coupling railcars to each other | Aug 25, 14 | Jun 06, 17 | TRINITY NORTH AMERICAN FREIGHT CAR, INC. |
| 9475506 | Rolling stock | Feb 10, 12 | Oct 25, 16 | NIPPON SHARYO, LTD. |
| 9248846 | Rolling stock | Dec 02, 11 | Feb 02, 16 | NIPPON SHARYO, LTD. |
| 9242656 | Rolling stock | Feb 21, 12 | Jan 26, 16 | NIPPON SHARYO, LTD. |
| 9114813 | Movable support fitting for railroad car | Nov 15, 12 | Aug 25, 15 | NATIONAL STEEL CAR LIMITED |
| 9067605 | Fittings for autorack railroad car | Nov 01, 12 | Jun 30, 15 | NATIONAL STEEL CAR LIMITED |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0391,507 | OPEN TOP GONDOLA RAILCAR | Aug 06, 24 | Nov 28, 24 | Not available |
| 2024/0025,460 | Sill Connection for Railcar Structure | Oct 04, 23 | Jan 25, 24 | Not available |
| 2022/0258,775 | RAILCAR COLD FORMED CENTER SILL WITH STIFFNESS ENHANCING STRUCTURE | May 05, 22 | Aug 18, 22 | Not available |
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