Dumping Patents (Class 105/239)
- End dumping car (Class 105/261.2)
- Inwardly dumping section (Class 105/262)
- Outwardly dumping section (Class 105/263)
- Rolling tilt (Class 105/264)
- Cam-track tilt (Class 105/268)
- Side and tilt (Class 105/269)
- Pivoted (Class 105/270)
- Displaceable sides (Class 105/276)
- Body prop and tie (Class 105/278)
- Aprons and baffles (Class 105/279)
- Serial and selective (Class 105/287)
- Multiple door (Class 105/288)
- Creeping shaft (Class 105/293)
- Crank shaft (Class 105/296)
- Crank and link (Class 105/299)
- Chain winder (Class 105/300)
- Toggle or strut (Class 105/304)
- Rack and pinion (Class 105/305)
- Lever or chain (Class 105/306)
- Screw or worm (Class 105/307)