| Patents for B61D 7 - Hopper cars (1,208) |
|---|
| 10/20/1998 | US5823118 Bottom discharge arrangement |
| 09/29/1998 | US5813353 Gondola railcar |
| 08/27/1998 | WO1998036957A1 Railroad hopper car underframe transition casting |
| 08/11/1998 | US5791530 Cover system for dual railcar spout outlets |
| 08/05/1998 | CN1189426A Gondola rail car |
| 07/28/1998 | US5785362 For securing an openable roof member of a railway hopper car |
| 07/21/1998 | CA2070542C System for discharge of bulk materials from vehicles |
| 07/14/1998 | US5779427 Railway car vibrator handling device |
| 06/09/1998 | US5762003 Railroad hopper car underframe transition casting |
| 05/27/1998 | EP0844330A1 Bulk goods handling wagon |
| 05/27/1998 | CN2282517Y Freight transporting cableway bottom-emptying ore bucket |
| 05/27/1998 | CN1182704A Vehicle for carrying bulk material |
| 05/12/1998 | CA2103009C Discharge hopper |
| 05/06/1998 | CN1180630A Bulk material loading wagon |
| 04/29/1998 | EP0838383A1 Bulk goods handling wagon |
| 03/30/1998 | CA2216608A1 An adapter for transferring materials from a container |
| 03/17/1998 | US5727474 Freight car for storage of bulk material |
| 12/04/1997 | CA2185193A1 Hopper rail car |
| 09/30/1997 | US5671684 Railway car outlet gate assembly with automatic lock |
| 08/27/1997 | EP0790912A1 Bottom discharge arrangement |
| 08/19/1997 | US5657700 Railroad hopper car with ballast distributing blades and remote control system |
| 04/08/1997 | CA2100595C Top chord to inside connection for a gondola car |
| 03/25/1997 | US5613446 Railway hopper car gate valve and operating assembly |
| 03/12/1997 | EP0569372B1 Waste handling method |
| 03/04/1997 | US5606916 Hopper door operating mechanism |
| 02/11/1997 | US5601032 Apparatus for opening and closing railroad hopper car discharge doors |
| 01/15/1997 | CN2245015Y Self-charge working device for tipping wagon |
| 01/11/1997 | CA2166957A1 Railway car outlet gate assembly with automatic lock |
| 01/07/1997 | CA2117025C Non-metallic polymer longitudinal hood collar |
| 12/27/1996 | EP0749879A1 Railroad hopper doors and positioning system |
| 12/17/1996 | US5584252 Railway freight car |
| 12/17/1996 | US5584251 Railway car outlet gate assembly with automatic lock |
| 12/03/1996 | US5580457 Waste handling method |
| 12/03/1996 | US5579593 Railroad ballast spreading (plow) system |
| 11/19/1996 | US5575595 Low profile parallel railcar discharge adaptor |
| 11/12/1996 | CA2104749C Trackside door closing device for railway hopper cars |
| 10/29/1996 | CA2108218C Protected gate lock for hopper cars |
| 05/24/1996 | CA2163382A1 Railway freight car |
| 05/23/1996 | WO1996015016A1 Bottom discharge arrangement |
| 05/14/1996 | CA2078719C Brake arrangement for a railroad gondola car |
| 04/16/1996 | US5507235 Gravity outlet |
| 03/13/1996 | CA2158082A1 Gravity outlet latching mechanism |
| 01/31/1996 | CN1030826C A loading wagon for the transport of bulk material |
| 12/26/1995 | CA2082208C Railway gondola car |
| 12/26/1995 | CA2024034C Railway car |
| 11/28/1995 | US5470186 System for discharge of bulk materials from vehicles |
| 11/14/1995 | CA2088556C Tub/center sill attachment for gondola car |
| 10/17/1995 | US5458067 Two piece center sill shroud for railway cars |
| 09/12/1995 | US5448955 For discharging lading from a railway car |
| 09/12/1995 | US5448954 Discharge hopper |
| 08/29/1995 | CA2124516A1 Two piece center sill shroud for railway cars |
| 08/22/1995 | US5443016 Convertible hopper railcar design with internal bracing for adapting car to haul bladders |
| 08/22/1995 | CA2044478C Hopper door apparatus for a railway car |
| 07/25/1995 | CA2057672C Freight car for bulk material |
| 07/18/1995 | US5433559 Pressurized hopper car |
| 06/21/1995 | CN1029021C Machine for distributing and grading of ballast |
| 06/13/1995 | US5423268 Railroad hopper car with ballast distributing blade and hopper door and blade control apparatus and method |
| 05/30/1995 | US5419262 Railroad hopper car door closer |
| 05/23/1995 | US5417165 Self-clearing discharge door assembly for railroad ballast hopper car |
| 04/25/1995 | US5409508 Means and method for enhancing plant growth under field conditions |
| 04/13/1995 | WO1995009753A1 Apparatus for controlling operation of a railcar discharge gate assembly |
| 04/11/1995 | US5404827 For discharging lading from a railway car |
| 04/04/1995 | US5402731 In a railway car |
| 03/28/1995 | US5400718 Loading wagon for transport, storage and discharge of bulk material |
| 03/21/1995 | CA1334835C Coke quenching and handling apparatus and method |
| 02/28/1995 | CA2125061A1 Remote control positioning system for controlling hopper doors |
| 02/21/1995 | US5390607 Non-metallic polymer longitudinal hood collar |
| 02/07/1995 | US5387058 Airlift railcar discharge adaptor |
| 02/03/1995 | CA2125062A1 Actuator assembly |
| 01/17/1995 | CA2000174C Railroad gondola or hopper car, particularly a coal car |
| 12/27/1994 | US5375730 Unloading valve for hopper car |
| 11/29/1994 | US5367958 Two piece center sill shroud for railway cars |
| 11/15/1994 | US5364221 Track-bound freight car |
| 11/01/1994 | US5359942 Remote control positioning system for controlling hopper doors |
| 10/24/1994 | CA2121940A1 Gravity outlet |
| 10/18/1994 | US5355809 Gasket for use on a railway hopper car outlet |
| 10/11/1994 | US5353713 Apparatus for controlling operation of a railcar discharge gate assembly having a lost motion mechanism for unlocking the gate prior to movement |
| 09/15/1994 | DE4309811A1 Wagon for bulk material |
| 08/30/1994 | US5341747 Railway gondola car |
| 08/30/1994 | CA1331720C Unloading gate for bulk material handling containers |
| 08/09/1994 | US5335603 Top chord to inside connection for gondola car |
| 06/30/1994 | DE4342747A1 Hydraulic control circuit for railway rolling stock |
| 06/29/1994 | CN1088531A A loading wagon for the transport of bulk material |
| 06/01/1994 | EP0599799A1 Loading wagon for transporting bulk material |
| 05/17/1994 | US5312162 Particulate handlers |
| 05/17/1994 | US5311824 Hatch cover hinge and lock assembly having safety interlock for hinge |
| 05/17/1994 | US5311822 Ballast hopper door control apparatus and method with independently and selectively actuated motors in response to uniquely coded signals |
| 04/20/1994 | CN2162400Y Multi-purpose railway freight carriage |
| 04/12/1994 | US5302072 Trackside door closing device for railway hopper cars |
| 04/06/1994 | CN2160583Y Device for sealing hopper car door opened at bottom |
| 04/05/1994 | US5300226 Hauling waste in one direction and non-waste in another direction without contamination; anaerobic digestion producing biogas to enhance growth of vegetation |
| 04/05/1994 | US5299508 Railroad car door closure having trackside mounted plural actuating arms |
| 04/05/1994 | CA1328199C Sparger system for discharge of bulk material from hopper cars |
| 03/17/1994 | DE4230225A1 Trough-shaped shovel tipping to unload - has heavy lining lifting off inner surface under gravity to aid unloading |
| 03/04/1994 | CA2097850A1 Pneumatic outlet |
| 03/01/1994 | CA1327289C Steel end structure for aluminum railcar |
| 02/16/1994 | CN1023778C Automatic unloading device on hopper bottom with rocker and weight |
| 01/24/1994 | CA2101135A1 Pneumatic outlet for railcars |
| 01/12/1994 | CN1023503C Material conveying cart |
| 01/11/1994 | US5277128 Railcar gravity multi-ply outlet seal for sliding doors |