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Class Information
Number: 37/319
Name: Excavating > Beneath a body of water (e.g., dredger) > Suction > Having intake screen > And material size reducer (e.g., crusher)
Description: Apparatus including means, other than a digging element, for breaking large objects into smaller pieces.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7445122 |
Mechanical bucket |
Nov. 4, 2008 |
| 5802747 |
Crusher |
Sep. 8, 1998 |
| 5651200 |
Debris exclusion devices for an augerhead type hydraulic dredge system |
Jul. 29, 1997 |
| 5146699 |
Auger dredge specially adapted to removal of toxic sediment |
Sep. 15, 1992 |
| 4403428 |
Suction dredge cutter head |
Sep. 13, 1983 |
| 4398361 |
Recovery of sediments from the bottom of the sea by suspended suction pipe |
Aug. 16, 1983 |
| 4386473 |
Recovery of sediments from the bottom of the sea |
Jun. 7, 1983 |
| 4104813 |
Muck dredging machine |
Aug. 8, 1978 |
| 4070772 |
Ground excavating apparatus |
Jan. 31, 1978 |
| 4024655 |
Cutting and feeding mechanism for suction inlet |
May. 24, 1977 |
| 4004359 |
Mouthpiece for a suction dredger |
Jan. 25, 1977 |
| 3962803 |
Dredging head |
Jun. 15, 1976 |
| 3959897 |
Combination vibrating cutter head and crusher |
Jun. 1, 1976 |
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