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Class Information
Number: 37/318
Name: Excavating > Beneath a body of water (e.g., dredger) > Suction > Having intake screen
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552551 |
Suction head for sediment dredge |
Jun. 30, 2009 |
| 7523570 |
Vacuum truck solids handling apparatus |
Apr. 28, 2009 |
| 7448151 |
Tool for excavating an object |
Nov. 11, 2008 |
| 7370445 |
Sludge removal |
May. 13, 2008 |
| 6979152 |
Intake nozzle for vacuum conveyor |
Dec. 27, 2005 |
| 6860042 |
Excavation system employing a jet pump |
Mar. 1, 2005 |
| 6835314 |
Method and apparatus for remediating wastewater holding areas and the like |
Dec. 28, 2004 |
| 6637135 |
Contaminated sediment removal vessel |
Oct. 28, 2003 |
| 6432303 |
Contaminated sediment excavator for subsurface sediment removal |
Aug. 13, 2002 |
| 6364119 |
Screening device and apparatus including same |
Apr. 2, 2002 |
| 6138833 |
Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor |
Oct. 31, 2000 |
| 6126016 |
Screening device and apparatus including same |
Oct. 3, 2000 |
| 5651200 |
Debris exclusion devices for an augerhead type hydraulic dredge system |
Jul. 29, 1997 |
| 5428908 |
Apparatus and method for subsidence deepening |
Jul. 4, 1995 |
| 5129167 |
Method of and apparatus for preventing diffusion of muddy water in sand gathering equipment |
Jul. 14, 1992 |
| 5083386 |
Apparatus and method for forming a crater in material beneath a body of water |
Jan. 28, 1992 |
| 5020858 |
Method of and apparatus for forming and transporting mud clogs |
Jun. 4, 1991 |
| 4945661 |
Dredging apparatus |
Aug. 7, 1990 |
| 4911831 |
Slow sand filters |
Mar. 27, 1990 |
| 4854058 |
Dredging apparatus having a diver-operated hand-held dredge head for quasi-closed loop system |
Aug. 8, 1989 |
| 4819346 |
Dredge cutting head with shock absorber |
Apr. 11, 1989 |
| 4765071 |
Dredge cutter head with shock absorber |
Aug. 23, 1988 |
| 4760656 |
Placer mining apparatus with puddling nozzle |
Aug. 2, 1988 |
| 4541927 |
Environmental protection dredging system for separating solids and liquid |
Sep. 17, 1985 |
| 4521305 |
Rotating self-cleaning screen |
Jun. 4, 1985 |
| 4503629 |
System for collecting and conveying undersea mineral resources |
Mar. 12, 1985 |
| 4412394 |
Dredging suction-jet head |
Nov. 1, 1983 |
| 4407716 |
Liquid flow system including multi-axial liquid flow screening means for excluding oversized slender objects carried by a liquid |
Oct. 4, 1983 |
| 4399622 |
Fluid intake openings for a suction dredger |
Aug. 23, 1983 |
| 4387518 |
Separable liquid flow screening means for excluding oversized, slender objects carried by a liquid, and dredge means including same |
Jun. 14, 1983 |
| 4367601 |
Separable means for excluding oversized slender objects |
Jan. 11, 1983 |
| 4352251 |
Hand operated suction dredge head and hydraulic submersible pump assembly |
Oct. 5, 1982 |
| 4347675 |
Dredging means having means for excluding oversized slender objects |
Sep. 7, 1982 |
| 4346937 |
Dredging apparatus including suction nozzles |
Aug. 31, 1982 |
| 4318233 |
Powered liquid inlet screen |
Mar. 9, 1982 |
| 4264105 |
Siphon dredge mining system |
Apr. 28, 1981 |
| 4178704 |
Suction nozzle dredge head |
Dec. 18, 1979 |
| 4170079 |
Dredge with rotatable cutter discs |
Oct. 9, 1979 |
| 4094548 |
Apparatus for conveying and separating loose material |
Jun. 13, 1978 |
| 4055087 |
Aquatic-life depletion-sampling device and technique |
Oct. 25, 1977 |
| 4042279 |
Apparatus for recovering minerals, in particular manganese nodules, from the bottom of the water |
Aug. 16, 1977 |
| 4040667 |
Apparatus for recovering particulate material from the sea bottom |
Aug. 9, 1977 |
| 4037874 |
Apparatus for underwater retrieval, selection and concentration of material for ocean mining |
Jul. 26, 1977 |
| 4035022 |
Self-propelled pickup device for picking up materials lying on the bottom of the sea |
Jul. 12, 1977 |
| 3988843 |
Mining transition chamber |
Nov. 2, 1976 |
| 3975054 |
Undersea mining and separating vehicle having motor-powered water jet |
Aug. 17, 1976 |
| 3973575 |
Mining concentrator |
Aug. 10, 1976 |
| 3972566 |
Solids concentrator |
Aug. 3, 1976 |
| 3971148 |
Dredge cutter head |
Jul. 27, 1976 |
| 3965687 |
Apparatus for anchoring a structure to the floor of a body of water |
Jun. 29, 1976 |
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