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Class Information
Number: 37/317
Name: Excavating > Beneath a body of water (e.g., dredger) > Suction
Description: Apparatus wherein the material is removed from the bottom of a body of water by a flexible, noncollapsible pipe, provided at its lower end with a weighted nozzle having means (e.g., suction pump) for creating a pressure less than the surrounding environment for entrainment of the material into the pipe.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7370445 |
Sludge removal |
May. 13, 2008 |
| 7350322 |
Dewatering system apparatus and method for dredging buckets |
Apr. 1, 2008 |
| 7188440 |
Device and method for bringing ashore or refloating a floating body |
Mar. 13, 2007 |
| 7181871 |
Sludge harvester for removing sludge from sludge ponds |
Feb. 27, 2007 |
| 6860042 |
Excavation system employing a jet pump |
Mar. 1, 2005 |
| 6851206 |
Method and apparatus for mining and metallurgically processing granular ore |
Feb. 8, 2005 |
| 6843003 |
Gravel-like material removing device |
Jan. 18, 2005 |
| 6640470 |
Contaminated sediment remediation vessel |
Nov. 4, 2003 |
| 6578293 |
Suction excavator |
Jun. 17, 2003 |
| 6550162 |
Sediment removal system |
Apr. 22, 2003 |
| 6318005 |
Dredge with improved auger shroud |
Nov. 20, 2001 |
| 6189243 |
Dredging method and dredging apparatus |
Feb. 20, 2001 |
| 6178670 |
Underwater mining apparatus |
Jan. 30, 2001 |
| 6145223 |
Dredging apparatus |
Nov. 14, 2000 |
| 5791073 |
Vacuum excavation system |
Aug. 11, 1998 |
| 5642576 |
Suction dredge pump apparatus |
Jul. 1, 1997 |
| 5598647 |
Material transfer apparatus and method |
Feb. 4, 1997 |
| 5575921 |
Sludge dredging and dewatering process |
Nov. 19, 1996 |
| 5561922 |
Extrusion dredging apparatus |
Oct. 8, 1996 |
| 5544983 |
Method of transferring material from the bottom of a body of water |
Aug. 13, 1996 |
| 5491913 |
Control system for the suction line relief valve of a hydraulic dredge |
Feb. 20, 1996 |
| 5487228 |
Material transfer apparatus and method |
Jan. 30, 1996 |
| 5425188 |
Suction excavator |
Jun. 20, 1995 |
| 5421105 |
Dredging system |
Jun. 6, 1995 |
| 5311682 |
Hybrid dredge |
May. 17, 1994 |
| 5285587 |
Underwater mining dredge |
Feb. 15, 1994 |
| 5282694 |
Method of reclaiming abandoned settling ponds |
Feb. 1, 1994 |
| 5203099 |
Self-powered, submersible dredge apparatus |
Apr. 20, 1993 |
| 5201877 |
Suction transporting device |
Apr. 13, 1993 |
| 5042178 |
Apparatus and process for solid dredge material disposal |
Aug. 27, 1991 |
| 5002434 |
Method and apparatus for placing a hollow column in the hard bottom of a body of water in particular in a rock bottom |
Mar. 26, 1991 |
| 4934874 |
Mobile pumping installation |
Jun. 19, 1990 |
| 4759664 |
Method of building or restoring marshes and beaches |
Jul. 26, 1988 |
| 4642919 |
Submersible sludge removing apparatus |
Feb. 17, 1987 |
| 4574501 |
In-place underwater dredging apparatus of the crater sink type |
Mar. 11, 1986 |
| 4409746 |
Vortex injection dredging apparatus and method |
Oct. 18, 1983 |
| 4394265 |
Vessel in particular suction dredger provided with means for removing oil from a water surface |
Jul. 19, 1983 |
| 4391468 |
Method and apparatus for recovering mineral nodules from the ocean floor |
Jul. 5, 1983 |
| 4278365 |
Control system for controlling a plant including a mobile suction device for sucking suspendible material |
Jul. 14, 1981 |
| 4175342 |
Suction dredger |
Nov. 27, 1979 |
| 4171581 |
Water flow-deflecting shield for dredge suction nozzle |
Oct. 23, 1979 |
| 4070135 |
Mobile pumping apparatus |
Jan. 24, 1978 |
| 4052800 |
System for gathering solids from the ocean floor and bringing them to the surface |
Oct. 11, 1977 |
| 3999566 |
Method and apparatus for discharging overboard excess water from hopper of hopper suction dredger or barge or scow |
Dec. 28, 1976 |
| 3990379 |
Dredging apparatus |
Nov. 9, 1976 |
| 3988843 |
Mining transition chamber |
Nov. 2, 1976 |
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