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Class Information
Number: 105/247
Name: Railway rolling stock > Special car bodies > Dumping > Hopper type
Description: Lading receptacles having an interior form such as to be self-clearing by gravity when the bottom doors are opened.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7536957 |
Flow through rail road freight car |
May. 26, 2009 |
| 7192238 |
Method for loading a freight train |
Mar. 20, 2007 |
| 7171907 |
Drive system for a railway hopper car discharge gate |
Feb. 6, 2007 |
| 7146914 |
Identity preserved container |
Dec. 12, 2006 |
| 7080598 |
Railway hopper car with longitudinal discharge openings |
Jul. 25, 2006 |
| 6990908 |
Transportation subassembly for materials destabilized in presence of destabilizing contaminants |
Jan. 31, 2006 |
| 6932433 |
Hopper closure assembly and method of using same |
Aug. 23, 2005 |
| 6865992 |
Increased capacity railway car |
Mar. 15, 2005 |
| 6863086 |
Unloading assembly |
Mar. 8, 2005 |
| 6758147 |
Ballast discharge system |
Jul. 6, 2004 |
| 6745701 |
Angled cargo discharge gate |
Jun. 8, 2004 |
| 6637346 |
Railroad hopper car gate assembly and method of operating same |
Oct. 28, 2003 |
| 6588345 |
System for improving the flowability of hygroscopic materials from a hopper |
Jul. 8, 2003 |
| 6502518 |
Converted multiple hopper rail car and method for making same |
Jan. 7, 2003 |
| 6431084 |
Railroad hopper car gate assembly and method of operating same |
Aug. 13, 2002 |
| 6412421 |
Gate assembly for a railroad hopper car |
Jul. 2, 2002 |
| 6393997 |
Aerator pad assembly for railway hopper cars |
May. 28, 2002 |
| 6363863 |
Gate assembly for a railroad hopper car |
Apr. 2, 2002 |
| 6357361 |
Assembly for closing a pneumatic discharge outlet |
Mar. 19, 2002 |
| 6286436 |
Mobile cement laying machine |
Sep. 11, 2001 |
| 6257150 |
Rapid discharge railcar door |
Jul. 10, 2001 |
| 6237505 |
Large capacity car body for pressure discharge railway hopper cars |
May. 29, 2001 |
| 6213028 |
Increased capacity railway car |
Apr. 10, 2001 |
| 6073561 |
Box car for transporting bulk material |
Jun. 13, 2000 |
| 6073562 |
Railway car outlet gate assembly with compact inertial latch |
Jun. 13, 2000 |
| 6044771 |
End structure assembly for hopper car |
Apr. 4, 2000 |
| 6012397 |
Railway car outlet gate assembly with inertial latch |
Jan. 11, 2000 |
| 5983804 |
Conveyor device running on rails |
Nov. 16, 1999 |
| 5937763 |
Machine and method of distributing ballast |
Aug. 17, 1999 |
| 5829358 |
Dual durometer gasket for a railroad hopper car |
Nov. 3, 1998 |
| 5762003 |
Railroad hopper car underframe transition casting |
Jun. 9, 1998 |
| 5390607 |
Non-metallic polymer longitudinal hood collar |
Feb. 21, 1995 |
| 5365854 |
Machine for delivering ballast to a track and for tamping the ballast having sensor controlled pivotal ballast distributing chutes |
Nov. 22, 1994 |
| 5320045 |
Machine for delivering ballast to a track and for tamping the ballast having pivotal ballast distributing conveyors and sweeper broom ballast take-up |
Jun. 14, 1994 |
| 5259322 |
Five unit articulated covered hopper car |
Nov. 9, 1993 |
| 5238333 |
Pneumatic outlet for railcars |
Aug. 24, 1993 |
| 5236287 |
Pneumatic outlet |
Aug. 17, 1993 |
| 5232315 |
End adapter for railcar pneumatic outlet |
Aug. 3, 1993 |
| 5216958 |
Brake arrangement for a railroad gondola car with tie rod running inside center sill |
Jun. 8, 1993 |
| 5186110 |
Railroad hopper car discharge gate valve |
Feb. 16, 1993 |
| 5119738 |
Hopper construction |
Jun. 9, 1992 |
| 5095824 |
Outside stake cap for railroad hopper cars |
Mar. 17, 1992 |
| 5058509 |
Railway car with vented bolster to facilitate the thawing of lading |
Oct. 22, 1991 |
| 5035185 |
Outlet gate pan gasket for hopper cars |
Jul. 30, 1991 |
| 5013530 |
Sparger system for discharge of bulk material from hopper cars |
May. 7, 1991 |
| 5002615 |
Sparger system for discharge of bulk material from hopper cars |
Mar. 26, 1991 |
| 4966081 |
Articulated multi-unit hopper railway car |
Oct. 30, 1990 |
| 4898101 |
Vehicle hopper body with internal reinforcing members |
Feb. 6, 1990 |
| 4893736 |
Grain wagon box with safety grid |
Jan. 16, 1990 |
| 4884511 |
Aluminum hopper car with cast collars interconnecting intersecting center sill hood with ridge hood and sloped end walls |
Dec. 5, 1989 |
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