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Class Information
Number: 37/107
Name: Excavating > Railway graders > Side former > Scoop > Endless conveyor
Description: Devices wherein the scoop delivers to an endless conveyor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7252039 |
Ballast discharge car |
Aug. 7, 2007 |
| 6698115 |
Clearing chain for excavating bulk material |
Mar. 2, 2004 |
| 5664633 |
Machine for treating a ballast bed |
Sep. 9, 1997 |
| 5201127 |
Self metering ballast system |
Apr. 13, 1993 |
| 5029649 |
Ballast reconditioning apparatus |
Jul. 9, 1991 |
| 4967847 |
Method and apparatus for cleaning ballast |
Nov. 6, 1990 |
| 4799430 |
Mobile ballast cleaning apparatus |
Jan. 24, 1989 |
| 4635664 |
Mobile ballast cleaning machine |
Jan. 13, 1987 |
| 4530403 |
Ballast cleaning machine |
Jul. 23, 1985 |
| 4133388 |
Ballast cleaning and levelling machine |
Jan. 9, 1979 |
| 4014389 |
Endless ballast conveyor chain |
Mar. 29, 1977 |
| 4004524 |
Method of renewal of a railroad track and train therefor |
Jan. 25, 1977 |
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