Patents for B61D 7 - Hopper cars (1,208)
02/1985
02/13/1985EP0133074A2 Discharge doors of railway hopper cars
02/12/1985US4498400 Hopper slope sheet support and connecting means
02/05/1985US4497258 Transverse bulkhead connection to filament wound vehicle body sides
01/1985
01/22/1985US4494462 Thaw shed heater
01/15/1985US4493266 Railway hopper car and center sill construction therefor
11/1984
11/27/1984US4484528 Railway hopper car
11/27/1984US4484527 Convertible railway hopper car
11/06/1984US4480954 Bottom dump arrangement
10/1984
10/02/1984CA1175292A1 Hopper car gate anti-friction seal and method
09/1984
09/12/1984EP0118068A1 Discharge door for gable-bottom railway hopper wagon
08/1984
08/14/1984CA1172593A1 Goods waggon unloading mechanism
06/1984
06/26/1984US4455947 Covered hopper car
06/19/1984US4455110 High volume railway hopper car
06/19/1984US4454823 Bulk freight rail car with metallized interior surfaces
06/19/1984US4454822 Gate assembly unit for ballast distribution from railroad car
06/12/1984US4453871 Goods wagon unloading mechanism
06/05/1984US4452150 Hopper car hatch cover
06/05/1984US4452149 Gate assembly unit for hopper-type railroad car
05/1984
05/29/1984US4450773 Sliding gate for a railroad hopper car
04/1984
04/24/1984US4444123 Curved roof hooper car
04/17/1984CA1165793A1 Pneumatic outlet valve
04/10/1984CA1165182A1 Rail car
03/1984
03/28/1984EP0104140A2 Discharging device for a container of bulk goods
02/1984
02/07/1984US4429921 Sliding bearing and seal
01/1984
01/31/1984US4428585 Permeable membrane seal assembly
12/1983
12/27/1983CA1159310A1 Actuating and locking means for the hopper doors of a railroad hopper car
12/21/1983EP0096236A1 Track conveyer waggon, transport train and method of loading and unloading materials for railroad construction
12/13/1983CA1158478A1 Controlled-discharge door for particulate materials and liquids
09/1983
09/06/1983CA1153250A1 Hopper discharge outlet and method
07/1983
07/05/1983CA1149230A1 Hopper bottom unit
06/1983
06/21/1983US4389150 Apparatus for movably spreading material on a railroad embankment
06/09/1983WO1983001930A1 Filament wound railway hopper car
05/1983
05/10/1983US4382725 Pneumatic outlet valve
05/10/1983CA1146127A1 Hopper discharge unit with sliding gate
04/1983
04/27/1983EP0077388A1 Rail car vibration platform
03/1983
03/22/1983US4377058 Curved hopper car roof
03/15/1983US4376542 Hopper door gasket structure
01/1983
01/18/1983US4368674 Hatch cover for railroad hopper cars
01/18/1983US4368673 Distribution means for partition sheet assembly
01/04/1983US4366757 Actuating and locking means for the hopper doors of a railroad hopper car
12/1982
12/28/1982US4366200 Fiberglass
12/14/1982US4363702 Apparatus for receiving incandescent coke
12/07/1982US4362111 Covered hopper car
11/1982
11/30/1982US4361097 Railway gondola cars
11/30/1982US4361096 Railway hopper car door seal
11/16/1982US4359176 Powered hopper door
10/1982
10/28/1982WO1982003616A1 Rail car vibration platform
10/12/1982US4353312 Bottom discharge hopper rail car
10/05/1982US4352331 Railway hopper car
09/1982
09/28/1982US4351243 Pivoted railway hopper car door latch
09/14/1982US4348962 Railway hopper car bolster assembly
08/1982
08/17/1982US4344365 Railway hopper car gate anti-friction seal
08/10/1982CA1129251A1 Latching mechanism for a railroad car hopper door
08/03/1982US4342267 Hopper discharge unit with sliding gate
07/1982
07/20/1982CA1127906A1 Hopper
07/13/1982US4339222 Door locking mechanism for hopper car doors
07/06/1982US4337707 Railway hopper car bogie
07/06/1982CA1127005A1 Hopper car outlet gate assembly with self cleaning gear and rack actuation arrangement
06/1982
06/22/1982US4335988 Trackside cam centering arrangement
06/15/1982US4334481 Fatigue resistant partition sheet assembly
06/15/1982CA1125577A1 Automatic vacuum relief valve for hopper cars
04/1982
04/20/1982US4325308 Controlled-discharge door for particulate materials and liquids
04/13/1982US4324188 Hopper discharge outlet and method
03/1982
03/30/1982US4321872 Automatic hopper unloading device
02/1982
02/16/1982CA1118283A1 Side wall for railway hopper car
02/02/1982CA1117371A1 Levered hopper door lock mechanism
01/1982
01/26/1982US4312711 Fluid cooled quenching cars
11/1981
11/24/1981US4301742 Partition sheet to side sheet connection for covered hopper cars
11/24/1981US4301741 Hopper car outlet gate assembly with self cleaning gear and rack actuation arrangement
10/1981
10/28/1981EP0038403A1 Controlled discharge door for particulate materials
10/20/1981US4295430 Railway hopper car latch mechanism
10/13/1981CA1110495A1 Combination tank car valve skid and valve seat
10/06/1981US4292898 Filament composite railroad car
09/1981
09/29/1981US4291631 Railway car side discharge door locking arrangement
09/15/1981US4289428 Particulate matter air assisted screw discharge apparatus
09/08/1981CA1108473A1 Bottom discharge hopper structures
09/01/1981US4286524 Pressurized hopper car interior side and roof bracing support structure
08/1981
08/18/1981US4284011 Restraint assembly for the hopper door actuator of a rapid discharging railroad hopper car
08/18/1981CA1107145A1 Pneumatic hopper gate
08/04/1981US4281864 Locking device for a transport container of an electrically driven, rail-bound transport car with a contact device actuatable by a transport container cover for monitoring the locking state
07/1981
07/28/1981US4280778 Hopper car door operating mechanism
07/28/1981US4280706 Seal for fluidizing outlet
07/14/1981US4278382 Door latch mechanism for bottom dump hopper car
07/09/1981WO1981001819A1 Bottom dump arrangement
07/07/1981US4277215 Articulate material transfer system
06/1981
06/17/1981EP0030379A1 Fixed spot transport vehicle
05/1981
05/12/1981CA1100814A1 Depressed center car
04/1981
04/21/1981US4262602 Covered hopper car partition attachment stiffness sheet modifier
04/21/1981US4262601 Cam actuated railway hopper car lock mechanism
04/21/1981CA1099594A1 Bottom discharge dump car
04/14/1981CA1099151A1 Open top railway hopper car
03/1981
03/31/1981US4259036 Hopper car door locking arrangement
03/10/1981US4254714 Dual bottom trough gondola railway car
02/1981
02/24/1981US4252067 Side wall for railway hopper car
02/24/1981US4252066 Levered hopper door lock mechanism
02/24/1981CA1096239A1 Bottom discharge hopper structures
02/19/1981WO1981000414A1 Device for receiving incandescent coke
02/17/1981US4250814 Dual hopper car doors
02/03/1981US4248159 Pivoted railway hopper car door latching mechanism
01/1981
01/27/1981US4246849 Partitioned railway hopper car
1 2 3 4 5 6 7 8 9 10 11 12 13