| Patents for B61D 7 - Hopper cars (1,208) |
|---|
| 03/26/2014 | CN203496899U Spanner-type drop-bottom tramcar |
| 03/26/2014 | CN203496898U Worm and gear type bottom-discharging type mine car |
| 03/26/2014 | CN103661446A Double-side-dump U-shaped mine car facilitating dumping |
| 03/26/2014 | CN103661445A Movable head cover and cement hopper car |
| 03/12/2014 | CN203472859U Pressing bar type ore drawing hopper |
| 03/05/2014 | CN203460867U Meter-gauge straight-wall grain hopper car |
| 03/05/2014 | CN103612638A Self-discharging type carriage and truck |
| 02/19/2014 | CN103587538A Secondary locking device, hopper vehicle bottom door and hopper vehicle |
| 02/19/2014 | CN103587537A Articulated type coal hopper car |
| 02/12/2014 | CN103569148A Center sill and underframe of hopper car |
| 02/05/2014 | CN103552568A Open-close device for hopper door of railway ore car |
| 02/05/2014 | CN103552567A Locking devices and vehicle bottom doors |
| 02/05/2014 | CN103552566A Secondary locking device for hopper car bottom gate and hopper car |
| 02/05/2014 | CN103552565A Linkage type two-stage locking device, hopper wagon bottom door and hopper wagon |
| 02/04/2014 | US8640631 Side contoured open top hopper railcar with biased door seal and enlarged contoured end door |
| 02/04/2014 | CA2745780C Railway hopper car with longitudinal discharge openings |
| 01/30/2014 | US20140026781 Railroad car and door mechanism therefor |
| 01/29/2014 | CN203410455U Bottom-dump mine car and mine car system |
| 01/29/2014 | CN203410454U Soybean feeding device |
| 01/29/2014 | CN103538592A Limiting device for controlling railway hopper car bottom door opening angle |
| 01/08/2014 | CN103496373A Dual-purpose hopper wagon |
| 01/03/2014 | CA2782474A1 Gravity wagon with discharge chute and kickback |
| 12/25/2013 | CN103465918A Labyrinth sealed bottom door and hopper vehicle |
| 12/25/2013 | CN102431564B Bottom door device and hopper car |
| 12/18/2013 | CN103448738A Lock shaft device for vehicle bottom door open-closing mechanism |
| 12/11/2013 | CN103434517A Meter-gauge straight-wall grain hopper wagon |
| 11/27/2013 | CN203306015U Opening/closing mechanism for bottom doors of railway funneling wagon |
| 11/26/2013 | CA2736618C Method of attaching a spiral welded roof on a hopper car |
| 11/07/2013 | US20130291760 Hopper gate opener |
| 10/30/2013 | CN203255196U Railway wagon and unloading assembly thereof |
| 10/30/2013 | CN203255195U Railway wagon, unloading assembly of railway wagon and closing component used in unloading assembly |
| 10/03/2013 | WO2013144726A2 Railcar cover opening method for a rotary dumper |
| 10/03/2013 | WO2013144489A1 Dual-flow aggregate-transporting car |
| 10/03/2013 | WO2013144116A1 Transport container, vehicle, traction group, method for loading a transport container, and method for transporting bulk material |
| 09/18/2013 | CN103303324A Bottom door opening/closing mechanism and bottom door wagon |
| 09/18/2013 | CN103303323A Bottom door opening-closing mechanism for railway funnel type goods vehicle |
| 09/12/2013 | US20130233199 Hopper Car Gate Assembly with a Door Having Vertically Spaced Sections |
| 09/11/2013 | CN103298676A System and method for powered railcar doors |
| 09/04/2013 | CN103273930A Method for opening and closing bottom door |
| 09/04/2013 | CN101746382B Device for regulating gap of bottom door of railway hopper car |
| 08/28/2013 | CN103264706A Bottom door opening and closing mechanism |
| 08/21/2013 | CN103253279A Bottom door opening and closing system |
| 08/14/2013 | CN203126841U Self-discharging type material transportation car for construction cableway |
| 08/13/2013 | CA2580418C Multi-use intermodal container |
| 07/31/2013 | CN103223950A Transmission mechanism with two bidirectional air cylinders to control three transmission shafts |
| 07/25/2013 | DE102012200970A1 Schienenfahrzeug mit Trennwand Rail vehicle with partition |
| 07/24/2013 | CN103213590A Meter-gauge straight-wall grain hopper car |
| 07/23/2013 | CA2590986C Rail road car body structure |
| 07/10/2013 | CN203047267U Railway stone frantic jumble funnel vehicle bottom door opening and closing mechanism |
| 07/10/2013 | CN203047266U Transmission mechanism with two double-way air cylinders controlling three transmission shafts |
| 07/09/2013 | US8479661 Railroad car center sill structure |
| 07/03/2013 | CN203032680U Unloading device of mine car |
| 06/27/2013 | WO2013091060A1 Nonstick equipment applicable to load compartments for iron ore |
| 06/27/2013 | US20130160670 Open Top Hopper Railcar with Lading Shedding Top Chord and Corner Cap and Integrated Door Operating Controls with Manual Override |
| 06/26/2013 | CN203020316U Goods train hopper compartment |
| 06/26/2013 | CN102211587B Self-discharging type coal mine hopper car |
| 06/19/2013 | CN203005428U Mine bottom-dump skip car |
| 06/19/2013 | CN103158724A Hopper car bottom door control system |
| 05/22/2013 | CN102211588B Mine track vehicle control device for opening and closing air inlet and outlet door |
| 05/15/2013 | CN202935351U Stone fragment hopper car sidewall |
| 05/08/2013 | CN103085823A Bottom door handling mechanism, bottom door device and bottom-door hopper car |
| 05/02/2013 | WO2013060189A1 Bottom door opening/closing mechanism, bottom door apparatus and bottom-open door hopper vehicle |
| 05/02/2013 | WO2013059856A1 Discharge assembly with seal |
| 05/02/2013 | WO2013059855A1 Discharge assembly for a wagon |
| 05/02/2013 | CA2851886A1 Discharge assembly with seal |
| 05/02/2013 | CA2851880A1 Discharge assembly for a wagon |
| 05/01/2013 | CN202911741U Railway wagon bottom door device |
| 05/01/2013 | CN103072586A Anti-fouling capping electric control system for hopper car |
| 04/28/2013 | CA2810443A1 Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car |
| 04/25/2013 | WO2013056584A1 Vehicle discharge gate and hopper car using the same |
| 04/25/2013 | WO2013056583A1 Bottom gate device and hopper car using the same |
| 04/25/2013 | CA2815244A1 Bottom door device and hopper car having the same |
| 04/04/2013 | WO2013046072A1 Self-discharging railway wagon |
| 04/03/2013 | CN103010232A Pneumatic control device and hopper truck |
| 04/03/2013 | CN103010231A Railway hopper car with longitudinal discharge openings |
| 03/27/2013 | CN202827583U Coal hopper car with carrying capacity of 70 tones and adapting to car dumper |
| 03/21/2013 | US20130068128 Low profile discharge gate assembly for a railroad hopper car |
| 03/21/2013 | US20130068127 Low profile discharge gate assembly for a railroad hopper car |
| 03/15/2013 | CA2790066A1 Low profile discharge gate assembly for a railroad hopper car |
| 02/20/2013 | CN202743243U Manual door-opening device |
| 02/20/2013 | CN202743242U Vehicle bottom door opening and closing device |
| 02/20/2013 | CN202743241U Wagon bottom-door opening/closing device |
| 02/19/2013 | US8379927 Railcar unloading system |
| 02/12/2013 | US8371657 Storage hopper assembly |
| 02/07/2013 | US20130032055 Side Contoured Open Top Hopper Railcar with Biased Door Seal and Enlarged Contoured End Door |
| 01/24/2013 | WO2013010213A1 Rail car container |
| 01/24/2013 | US20130019776 Ballast hopper car |
| 01/22/2013 | US8356560 Railroad car and door mechanism therefor |
| 01/16/2013 | CN202669815U Drop-bottom car |
| 01/08/2013 | CA2639934C Hopper railcar with automatic individual door system |
| 01/03/2013 | US20130000509 Ballast hopper car discharge door control system |
| 01/02/2013 | CN202641701U Unloading door and hopper car |
| 01/01/2013 | US8342105 Open top hopper railcar with lading shedding top chord and corner cap and integrated door operating controls with manual override |
| 12/26/2012 | CN202624219U Baffle shed for end of hopper wagon |
| 12/12/2012 | CN202593514U Door opening device for railway side-tip dumper |
| 12/12/2012 | CN102815314A Self-unloading railroad hopper car with covers |
| 12/06/2012 | WO2012162727A1 Tripper unit |
| 12/06/2012 | CA2837343A1 Tripper unit |
| 11/28/2012 | CN202557541U Anti-bouncer of bottom door and bottom-opened hopper car |
| 11/28/2012 | CN1842456B Railway hopper car with longitudinal discharge openings |