Patents for B61D 7 - Hopper cars (1,208)
07/2011
07/05/2011US7971924 Gangway bellows cover-style connecting device for articulated vehicles
06/2011
06/15/2011CN102092393A Detachable automatic bottom discharging type charging hopper system
06/02/2011US20110126732 Auxilliary smart power system for ecp equipped train
05/2011
05/25/2011CN201842096U False rotation preventing and limiting device for transmission shaft
04/2011
04/21/2011DE10128374B4 Verfahren zur Versorgung einer Linienbaustelle mit Baumaterialien und zugehörige Transport- oder Förderkette, sowie hierbei einsetzbare Klassifizier- und Fraktioniereinrichtung A method of providing a line construction site with building materials and associated transport or conveyor chain, and this can be used sizing and fractionating
04/13/2011CN201792863U Electric control capping device of coal hopper car
04/12/2011US7921783 Hopper car with lading dislodgement fittings and method of operation
04/06/2011CA2716165A1 Motorized hopper door actuation system
03/2011
03/30/2011CN201777253U Wagon body of hopper wagon for railroad transportation
03/30/2011CN1842457B Railcar with discharge control system
03/30/2011CN101998917A System and method for accumulation of air for pneumatic railroad car systems
03/22/2011US7908975 Hollow railroad car structure
03/16/2011CN201761493U Apparatus for preventing mine unloading vehicle hopper from sticking materials
03/11/2011CA2678605A1 Rail road gondola car structure and mechanism therefor
03/11/2011CA2678447A1 Railroad gondola car structure and mechanism therefor
02/2011
02/24/2011US20110041724 Railroad gondola car structure and mechanism therefor
02/22/2011US7891304 Railcar with discharge control system
02/16/2011EP2284059A2 Device for transporting material in railway construction
02/16/2011CN201745583U Box-type bottom-dump carrier vehicle
02/16/2011CN101973278A Accidental rotation preventing and limiting device of transmission shaft
02/09/2011CN201736993U Air pipeline control device for switching mechanism of railroad hopper wagon
02/09/2011CN201736992U Coal hopper wagon with bottom side doors
02/03/2011CA2710355A1 System and related method for visually indicating a condition of a lock on a railroad hopper car
01/2011
01/13/2011WO2010115148A3 Railcar unloading system
01/13/2011WO2010115144A3 Railcar unloading system
01/13/2011US20110006592 System and Method for Accumulation of Air for Pneumatic Railroad Car Systems
01/06/2011US20110000395 Apparatus and method for securing a railcar sanitary cover
01/05/2011CN201694193U Bottom door and switching mechanism for railway hopper car
12/2010
12/29/2010WO2010149304A1 Storage cart for transporting bulk material
12/23/2010WO2010145728A1 Storage cart for transporting bulk goods
12/23/2010US20100319570 Rail road hopper car structure
12/15/2010CN201670238U Box adhesion-resistant device of side-dump carriage
11/2010
11/24/2010CN201646728U Uneasily-loosened fastener for bottom door of railway wagon
11/04/2010US20100275811 Hopper cars with one or more discharge control systems
10/2010
10/26/2010US7819067 Hopper car gate with a curved door
10/14/2010US20100258030 Rail Car Door Closer System with Wing Closers
10/13/2010CN201604648U 一种底开门车开门碰头装置 Open car door meet one substrate device
10/07/2010WO2010115148A2 Railcar unloading system
10/07/2010WO2010115144A2 Railcar unloading system
10/07/2010US20100251925 Dual Stage Railroad Hopper Car Door Actuating Mechanism
10/07/2010US20100251924 Railcar unloading system
10/07/2010US20100251923 Railroad car and door mechanism therefor
10/07/2010US20100251922 Railroad gondola car structure and mechanism therefor
10/06/2010CA2698982A1 Dual stage railroad hopper car door actuating mechanism
09/2010
09/15/2010CN101830232A Railcar with discharge control system
09/14/2010US7793595 Railcar gate assembly operating shaft assembly
09/02/2010US20100218700 Side dump and bottom dump railroad cars
09/01/2010CN201566623U Tramcar with grab-bucket-type car hopper
09/01/2010CN201566622U 80t level coal hopper wagon
08/2010
08/18/2010CN201553148U Pneumatic control device of switching mechanism for bottom door of rail hopper car
08/18/2010CN201553147U 80T-grade ballast hopper car
08/11/2010CN201544964U Automatic bottom-discharging ore bucket
08/04/2010CN201538320U Mis-rotation prevention device of transmission mechanism
07/2010
07/27/2010CA2691259A1 Railroad car and door mechanism therefor
07/21/2010CN201530385U Two-stage self-locking bottom door opening-closing mechanism for railroad hopper wagon
07/21/2010CN101480956B Van and bottom door device thereof
07/13/2010US7752979 Hopper car gate with enlarged discharge and increased capacity
07/07/2010CN101219668B Car structure
06/2010
06/29/2010CA2578939C Reinforced hopper car structure
06/23/2010CN101746383A Ballast discharging door device of railway ballast vehicle
06/23/2010CN101746382A Device for regulating gap of bottom door of railway hopper car
06/17/2010DE102008061294A1 Klappenverschluss Flap closure
06/16/2010EP2196373A1 Flap lock
06/09/2010CN101314356B Wind power/manual linkage apparatus for discharge of railway freight transport hopper wagon
06/08/2010CA2592536C Gate assembly for a railroad hopper car
06/03/2010WO2009053598A3 Multi-articulated wagon
06/03/2010US20100132587 Rail road hopper car ridge fittings
05/2010
05/26/2010CN201484418U Railway freight car and bottom door device thereof
05/20/2010DE202010002258U1 Eisenbahnwaggon Railroad Car
05/19/2010CN101708725A Incorrect rotation preventing device of transmission mechanism
05/11/2010CA2484145C Railroad hopper car discharge gate assembly
05/06/2010US20100107925 Method and apparatus for applying railway ballast
05/06/2010US20100107924 Hopper Car Gate with a Laterally Opening Door
04/2010
04/29/2010US20100101447 Gondola Rail Car With Tub Floor
03/2010
03/24/2010CN201427582Y Head cover device of railway freight-car and grain hopper wagon of the head cover device
03/24/2010CN201427577Y Bottom-dump tramcar
03/23/2010US7681507 Railcar with discharge control system
03/11/2010DE202009012927U1 Vorrichtung zur Materialförderung im Gleisbau Apparatus for feeding materials in railway construction
02/2010
02/17/2010CN201405859Y Mounting and positioning device for transmission shaft of bottom gate of hopper car
02/03/2010CN201395132Y Air gauge and control valve protection box device of railway wagon coal hopper car
01/2010
01/27/2010CN201390256Y Fixed wagon box self-discharging car
01/27/2010CN100584676C Railway hopper car opening/closing mechanism wind-controlling device
01/22/2010CA2638212A1 Gondola car structure
01/14/2010US20100005999 Rail Car Door Closer
12/2009
12/09/2009CN201357832Y Grain hopper car
12/02/2009CN101590855A Center sill free stainless steel foodstuff hopper wagon
11/2009
11/25/2009CN201350904Y Self-unloading vehicle special for rock chips
11/11/2009CN201343032Y Bottom door open-close device of railway hopper car
10/2009
10/28/2009CN201334017Y Auxiliary door closing device for bottom door of railway funnel vehicle
10/21/2009CA2663473A1 Rail car extension system
10/14/2009CN100548765C Self-tipping type bottom door opening and closing transmission mechanism of funnel type wagon
09/2009
09/30/2009EP2105368A1 Hydraulic circuit for a wagon, in particular a ballast wagon
09/30/2009CN201317365Y Combined type maneuvering valve for hopper wagon
09/30/2009CN201317364Y 25t axle load coal hopper wagon with swing cover type door
09/30/2009CN201317363Y 70 ton grade iron ore hopper car
09/30/2009CN201317362Y 70 ton grade limestone hopper car
09/24/2009US20090235840 Hopper car gate with a curved door
09/17/2009WO2009111816A1 Railway maintenance system
09/02/2009CN201300846Y Clearance adjusting device of railway hopper car bottom door
08/2009
08/26/2009CN100531923C Wind jet slag cleaning device of railway hopper car
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