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Class Information
Number: 210/170
Name: Liquid purification or separation > Structural installation > Geographic (e.g., drainage ditch, septic, pond)
Description: Apparatus in which a separator is part of a system installed in the ground or related to a particular geographic feature, as a lake.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5639380 |
System for automating groundwater recovery controlled by monitoring parameters in monitoring wells |
Jun. 17, 1997 |
| 5637210 |
System for treating aqueous solutions containing industrial wastes |
Jun. 10, 1997 |
| 5637211 |
Pipe drain diffusion bag system and kit |
Jun. 10, 1997 |
| 5637218 |
Flow control for evening out waste water inflow in soil-based installations for waste water purification |
Jun. 10, 1997 |
| 5635075 |
Method of removing organic contaminants from air and water with organophilic, quaternary phosphonium ion-exchanged smectite clays |
Jun. 3, 1997 |
| 5632889 |
Filter cartridge for separating liquid hydrocarbons from water |
May. 27, 1997 |
| 5628904 |
Process for treatment of wastewater utilizing zebra mussels (dreissena polymorpha) |
May. 13, 1997 |
| 5624205 |
Landfill water treatment system |
Apr. 29, 1997 |
| 5624552 |
In-ground water treatment system |
Apr. 29, 1997 |
| 5620593 |
Multi-stage in-well aerator |
Apr. 15, 1997 |
| 5620594 |
Water management system |
Apr. 15, 1997 |
| 5618413 |
Ecological fluidized bed system |
Apr. 8, 1997 |
| 5618414 |
Treatment system for treating waste water |
Apr. 8, 1997 |
| 5618417 |
Water aeration system |
Apr. 8, 1997 |
| 5613805 |
Device for cleaning contaminated topsoil |
Mar. 25, 1997 |
| 5614086 |
Method and apparatus for removing contaminants from a water supply |
Mar. 25, 1997 |
| 5609836 |
DCR transportable treatment unit |
Mar. 11, 1997 |
| 5605634 |
Treatment of contaminated groundwater |
Feb. 25, 1997 |
| 5597264 |
Leaching field and method of making |
Jan. 28, 1997 |
| 5597265 |
Method and apparatus for the in-situ treatment of contamination in soil |
Jan. 28, 1997 |
| 5597477 |
Sewage effluent disposal system having sparger in holding tank |
Jan. 28, 1997 |
| 5595458 |
Biofilter bags for erosion control |
Jan. 21, 1997 |
| 5593575 |
Floating cover and baffle system |
Jan. 14, 1997 |
| 5590979 |
Flexible pipe diffuser and method of using the same |
Jan. 7, 1997 |
| 5591118 |
Low permeability waste containment construction and composition containing granular activated carbon and method of making |
Jan. 7, 1997 |
| 5591341 |
Method and system for water bioremediation utilizing a conical attached algal culture system |
Jan. 7, 1997 |
| 5584991 |
Filtration system for ponds |
Dec. 17, 1996 |
| 5584993 |
Settling unit with plate separator |
Dec. 17, 1996 |
| 5577558 |
In-well device for in situ removal of underground contaminants |
Nov. 26, 1996 |
| 5575903 |
Drain water-intake cover |
Nov. 19, 1996 |
| 5573349 |
Sediment dike with absorber apparatus |
Nov. 12, 1996 |
| 5573661 |
Retrofit waste vault system |
Nov. 12, 1996 |
| 5573669 |
Method and system for water purification by culturing and harvesting attached algal communities |
Nov. 12, 1996 |
| 5565096 |
Natural filter for ecological system |
Oct. 15, 1996 |
| 5565103 |
Solid material flow-separating method |
Oct. 15, 1996 |
| 5562819 |
Apparatus for trapping, signalling presence of and collecting debris in waterways |
Oct. 8, 1996 |
| 5560821 |
Waste water treatment system |
Oct. 1, 1996 |
| 5554290 |
Insitu anaerobic reactive zone for insitu metals precipitation and to achieve microbial de-nitrification |
Sep. 10, 1996 |
| 5554291 |
Methods and apparatus for biodegradation of polluted fluids |
Sep. 10, 1996 |
| 5549817 |
Stormwater treatment system/apparatus |
Aug. 27, 1996 |
| 5549828 |
Method and apparatus for in Situ water purification including sludge reduction within water bodies by biofiltration and for hypolimnetic aeration of lakes |
Aug. 27, 1996 |
| 5547589 |
Water recovery from a septic tank |
Aug. 20, 1996 |
| 5534141 |
Wastewater treatment system with in-pond clarifier |
Jul. 9, 1996 |
| 5534154 |
System for cleaning contaminated soil |
Jul. 9, 1996 |
| 5531888 |
Arrangement for separation of coarse matter and/or bulky solids in rainwater relief structures |
Jul. 2, 1996 |
| 5527456 |
Apparatus for water purification by culturing and harvesting attached algal communities |
Jun. 18, 1996 |
| 5527457 |
Monitor well hydrocarbon absorber and solidifier |
Jun. 18, 1996 |
| 5527465 |
Method for preventing erosion in headworks of waste water treatment facilities |
Jun. 18, 1996 |
| 5525222 |
Water filtration system for control of the zebra mussel |
Jun. 11, 1996 |
| 5522672 |
System and method for cleaning a sewage field line from a septic tank |
Jun. 4, 1996 |
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