| Patents for B61D 7 - Hopper cars (1,208) |
|---|
| 02/28/1990 | EP0356290A1 Container arranged to be unloaded by gravity, especially where it concerns the bulk transport of easily caking material |
| 02/20/1990 | US4902173 System and filter for preventing contamination of particulate material in railroad car during transportation and unloading |
| 02/15/1990 | DE3826205A1 Anordnung zum raeumen von transportgutrueckstandsmaterial bei eisenbahnbodenentladewagen Arrangement to evacuate from transportgutrueckstandsmaterial at eisenbahnbodenentladewagen |
| 02/06/1990 | US4898101 Vehicle hopper body with internal reinforcing members |
| 01/30/1990 | US4896590 For admitting air into an enclosed container |
| 12/05/1989 | US4884511 Aluminum hopper car with cast collars interconnecting intersecting center sill hood with ridge hood and sloped end walls |
| 11/15/1989 | CN2047652U Coal hopper car |
| 10/25/1989 | EP0338027A1 Method and apparatus for handling and dry quenching coke. |
| 10/24/1989 | US4875417 End structure for railway car |
| 10/03/1989 | CA1262167A1 Method and apparatus for thawing of ore or concentrate contained in a railroad car |
| 09/19/1989 | US4867073 Internal drainage system for hollow member structural assembly and method |
| 09/19/1989 | EP0338027A4 Method and apparatus for handling and dry quenching coke. |
| 09/12/1989 | CA1259225A1 Motion retarder |
| 08/24/1989 | DE3804404A1 Device for locking the folding doors of the wagon body of drop bottom cars |
| 08/23/1989 | EP0329352A1 Freight discharge of railway wagons |
| 07/26/1989 | CN2041652U Bottom unloading mine car and loading station |
| 07/04/1989 | US4843974 Hopper car with automatic discharge door mechanism |
| 06/20/1989 | US4840127 Top chord for open top hopper cars |
| 05/16/1989 | US4829908 Hopper car automatic discharge door mechanism with operating lever adjustable support |
| 04/18/1989 | US4821648 Hopper car cover |
| 03/07/1989 | US4809617 Box car |
| 02/15/1989 | EP0302981A1 Automatic actuating mechanism for opening and closing lateral hopper car discharge doors |
| 01/31/1989 | US4800820 Side sill arrangement for a gondola-type railroad car |
| 01/03/1989 | US4795301 Low-center-of-gravity self-unloading train for bulk commodities |
| 11/03/1988 | WO1988008442A1 Method and apparatus for handling and dry quenching coke |
| 11/01/1988 | US4781125 Drop bottom trucks or hoppers |
| 10/11/1988 | CA1242933A1 Truss end structure for stub sill hopper cars |
| 09/28/1988 | CN87215835U Jaw self-setting mine car |
| 09/20/1988 | US4771702 Covered hopper car |
| 09/06/1988 | US4768684 Gasket for hopper outlet |
| 08/30/1988 | US4766820 Hopper car with automatic discharge door mechanism |
| 08/23/1988 | US4765517 Valve arrangement with retainer bracket, for hopper car outlet gate |
| 08/09/1988 | US4762458 Bottom discharge hopper |
| 07/06/1988 | CN87210925U Side-opening ceal hopper wagon |
| 07/05/1988 | US4754710 Railway car for carrying freight such as coal or the like |
| 06/15/1988 | EP0270881A1 Discharging device for bulk freight wagons having freely swinging side traps |
| 06/07/1988 | CA1237603A1 Hoppers |
| 05/31/1988 | US4747742 Unloading flap for pourable particulate material |
| 05/03/1988 | US4741274 Hopper door operating mechanism |
| 05/03/1988 | CA1235951A1 Gondola-type railroad car |
| 04/26/1988 | US4740130 Hopper |
| 03/30/1988 | EP0262094A1 Discharge door for fluid bulk material |
| 03/30/1988 | EP0262035A1 Receptacle for storage and transport provided at its base with at least one discharge hopper |
| 01/19/1988 | CA1231588A1 High volume covered hopper car with loading from below and automatic unloading |
| 01/19/1988 | CA1231587A1 High volume covered hopper car |
| 12/29/1987 | CA1230780A1 Device for unloading a container for bulk materials |
| 12/23/1987 | EP0250332A1 Device for opening, closing and locking hopper doors of railway carriages |
| 11/03/1987 | CA1228769A1 Tamper-proof railroad hopper car door operating system |
| 09/29/1987 | US4696238 End structure for railway car |
| 09/29/1987 | US4696237 Multiple hopper rail car with offset vertical weld from conversion |
| 09/29/1987 | US4696088 Method of converting a hopper type of rail car to accept a wider output gate |
| 09/22/1987 | CA1227088A1 Railroad hopper car with self-contained discharge system |
| 09/01/1987 | US4690071 Truss end structure for stub sill hopper cars |
| 08/25/1987 | US4688489 In a train |
| 08/25/1987 | US4688488 Automatic actuating and locking apparatus for the hopper doors of a railroad hopper car |
| 07/07/1987 | US4677917 High volume covered hopper car with loading from below and automatic unloading |
| 06/02/1987 | US4669392 Bottom discharge hopper rail car |
| 05/27/1987 | EP0223496A2 Drop bottom trucks or hoppers |
| 05/12/1987 | US4664038 Door latch control apparatus for hopper vehicle |
| 04/07/1987 | CA1220086A1 Box car |
| 03/03/1987 | US4646653 Corner fitting for open top railroad car |
| 02/24/1987 | US4644871 Articulated hopper railcar |
| 01/27/1987 | US4638743 Method of reinforcing a covered hopper car hatch |
| 01/17/1987 | CN85101246A Door lever adjusting device for bottom dumping car doors |
| 12/23/1986 | CA1215656A2 Railway container and car |
| 12/16/1986 | US4629386 Railroad hopper car door opener |
| 12/16/1986 | US4628825 Sliding gate actuating mechanism |
| 10/21/1986 | US4617868 Railroad hopper car with self-contained discharge system |
| 09/03/1986 | EP0193497A2 Hopper car with multiple bins having separate discharge drives |
| 09/02/1986 | US4608931 Filament wound railway hopper car |
| 08/19/1986 | US4606277 Actuating and locking apparatus for longitudinal hopper doors of a railroad hopper car |
| 08/19/1986 | US4606276 In a hopper-type railroad car |
| 07/22/1986 | US4601244 Operating system for railroad hopper car gate assembly doors |
| 07/15/1986 | US4599948 Railway hopper gate locking assembly |
| 07/08/1986 | US4598646 High volume covered hopper car |
| 06/24/1986 | USRE32189 Railway hopper car roof support structure |
| 06/18/1986 | EP0184968A1 Floor for a vehicle |
| 06/17/1986 | US4594948 Liquid and solid dual lading railroad car |
| 04/08/1986 | US4580502 Device for unloading a container for bulk materials |
| 03/26/1986 | EP0174975A1 Sealing device for a set of wagons having laterally tiltable bodies |
| 03/18/1986 | US4576538 Box car |
| 01/21/1986 | CA1199526A1 Filament wound railway hopper car |
| 01/14/1986 | CA1199227A1 Railway hopper car and center sill construction therefor |
| 12/31/1985 | US4561361 Mounting for the top chords of the sides of a railroad hopper car |
| 12/10/1985 | CA1197728A1 Railway hopper car |
| 11/05/1985 | US4550665 Bottom discharge hopper structures |
| 10/01/1985 | US4543851 Torque application assembly for closure valve of a railroad hopper car outlet |
| 09/26/1985 | WO1985004138A1 Device at a set of wagons having laterally tiltable wagon bodies |
| 09/24/1985 | US4542701 Tamper-proof railroad hopper car door operating system |
| 09/10/1985 | CA1193141A1 Automatic hopper car door opener |
| 09/03/1985 | CA1192788A1 Pneumatic gate for railway hopper cars |
| 08/13/1985 | US4534298 Lock and seal for hopper outlet |
| 07/16/1985 | US4528913 Gravity outlet sliding gate seal |
| 06/18/1985 | CA1188929A1 Gate assembly unit for ballast distribution from railroad car |
| 05/15/1985 | EP0141722A1 Control system for wagon hopper doors and equipment such as hoppers and wagons fited with such a system |
| 04/24/1985 | EP0138643A1 Control device for railway hopper car trapdoors, hoppers fitted therewith |
| 04/09/1985 | CA1185121A1 Gate assembly unit for hopper-type railroad car |
| 04/02/1985 | US4508037 Door lever adjusting device for hopper car doors |
| 03/12/1985 | CA1277180E Covered hopper car |
| 03/12/1985 | CA1183725A1 Covered hopper car |