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Class Information
Number: 414/520
Name: Material or article handling > Self-loading or unloading vehicles > Conveyor > With gate means > Multiple gates
Description: Vehicles in which a plurality of gates are provided to control the flow of material to or from the vehicle.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6422803 |
Discharge system with dual doors and intermediate auger |
Jul. 23, 2002 |
| 6135671 |
Paving materials loading apparatus and paving machine |
Oct. 24, 2000 |
| 6129499 |
Discharge system with dual doors and intermediate auger |
Oct. 10, 2000 |
| 6074159 |
Truck box divider |
Jun. 13, 2000 |
| 5658116 |
Bulk feed delivery system |
Aug. 19, 1997 |
| 5067608 |
Improvements in or relating to loading and unloading apparatus |
Nov. 26, 1991 |
| 4923358 |
Portable cart with angular discharge auger |
May. 8, 1990 |
| 4923355 |
System to feed and discharge materials continuously in operations to rehabilitate railway road beds and the like |
May. 8, 1990 |
| 4919583 |
Trailer |
Apr. 24, 1990 |
| 4844683 |
Bulk orchard harvest trailer with power assist |
Jul. 4, 1989 |
| 4795301 |
Low-center-of-gravity self-unloading train for bulk commodities |
Jan. 3, 1989 |
| 4781514 |
Material handling vehicle load retention apparatus |
Nov. 1, 1988 |
| 4345869 |
Conveyor system for loading and unloading trucks and trailers |
Aug. 24, 1982 |
| 4173422 |
Produce handling system |
Nov. 6, 1979 |
| 3990588 |
Bulk flow belt feeder gate with interlocked striker plate |
Nov. 9, 1976 |
| 3931934 |
Particulate material spreading apparatus |
Jan. 13, 1976 |
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