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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 |
| 5391295 |
Spill containment system |
Feb. 21, 1995 |
| 5389267 |
In-situ vapor stripping for removing volatile organic compounds from groundwater |
Feb. 14, 1995 |
| 5385665 |
Apparatus for the foaming of organic components in water |
Jan. 31, 1995 |
| 5382357 |
Septic tank outlet filter |
Jan. 17, 1995 |
| 5382363 |
Septic system and method |
Jan. 17, 1995 |
| 5380126 |
Method of and arrangement for rinsing out impurities from ground |
Jan. 10, 1995 |
| 5378357 |
Light-weight drainage line unit employing end-to-end connectors |
Jan. 3, 1995 |
| 5366322 |
Apparatus for containment of overflow and runoff water |
Nov. 22, 1994 |
| 5366635 |
Desalinization system and process |
Nov. 22, 1994 |
| 5362400 |
Process for the purification of water |
Nov. 8, 1994 |
| 5360290 |
Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
Nov. 1, 1994 |
| 5356533 |
Bubbling system |
Oct. 18, 1994 |
| 5354456 |
Method of controlling porosity of well fluid blocking layers and corresponding acid soluble mineral fiber well facing product |
Oct. 11, 1994 |
| 5354457 |
Water treatment equipment |
Oct. 11, 1994 |
| 5354459 |
Apparatus and method for removing odorous sulfur compounds from potable water |
Oct. 11, 1994 |
| 5345655 |
Method of and arrangement for obtaining liquids and/or gases from ground or rock layers |
Sep. 13, 1994 |
| 5345741 |
Silt blockage for catch basins |
Sep. 13, 1994 |
| 5344557 |
Incubator for biological cleaning of fluids |
Sep. 6, 1994 |
| 5342482 |
Leachate evaporation system |
Aug. 30, 1994 |
| 5342512 |
Floating aquatic plant treatment system with porous system |
Aug. 30, 1994 |
| 5336399 |
Apparatus for purifying and activating water |
Aug. 9, 1994 |
| 5330289 |
Serpent sediment-sluicing system |
Jul. 19, 1994 |
| 5330639 |
Mobile water agitating and aerating apparatus |
Jul. 19, 1994 |
| 5330640 |
Portable water filter having an inlet conduit with a weight and float construction |
Jul. 19, 1994 |
| 5330651 |
Treatment of contaminated agricultural run-off |
Jul. 19, 1994 |
| 5328601 |
Apparatus for in place gas cleaning of diffusion elements |
Jul. 12, 1994 |
| 5326458 |
Liquid skimming system |
Jul. 5, 1994 |
| 5322388 |
Toxic waste monitoring and collection device |
Jun. 21, 1994 |
| 5322629 |
Method and apparatus for treating storm water |
Jun. 21, 1994 |
| 5320068 |
Automatic oxygenation system for aquaculture |
Jun. 14, 1994 |
| 5318698 |
Arrangement for cleaning contaminated ground water |
Jun. 7, 1994 |
| 5318699 |
Denitrification of septic tank effluent |
Jun. 7, 1994 |
| 5314619 |
Method and apparatus for pond water clarification and maintenance |
May. 24, 1994 |
| 5305607 |
Geothermal power plant scale separation method and apparatus |
Apr. 26, 1994 |
| 5302286 |
Method and apparatus for in situ groundwater remediation |
Apr. 12, 1994 |
| 5298172 |
Method and apparatus for removing grit from sewage |
Mar. 29, 1994 |
| 5293934 |
Ground water sampling unit having a fluid-operated seal |
Mar. 15, 1994 |
| 5294340 |
Process for the biological treatment of waste water using microorganisms |
Mar. 15, 1994 |
| 5294351 |
Method for controlling zebra mussels in power and water plants |
Mar. 15, 1994 |
| 5292433 |
Method and apparatus for recovering oil spill |
Mar. 8, 1994 |
| 5290434 |
Effluent dosing septic system |
Mar. 1, 1994 |
| 5288412 |
Gray water processing system |
Feb. 22, 1994 |
| 5282694 |
Method of reclaiming abandoned settling ponds |
Feb. 1, 1994 |
| 5281312 |
Method and apparatus for killing infections bacteria and undesirable microorganisms in large land and water areas |
Jan. 25, 1994 |
| 5281332 |
System for treating sewage or other fluids |
Jan. 25, 1994 |
| 5281333 |
Arrangement for cleaning ground water |
Jan. 25, 1994 |
| 5279740 |
Ground contamination remediation process |
Jan. 18, 1994 |
| 5279746 |
Process and apparatus for removing radon from water |
Jan. 18, 1994 |
| 5273653 |
Method of, and installation for, purifying liquids in horizontally flown-through plant containing filter beds |
Dec. 28, 1993 |
| 5273719 |
Urine treating device |
Dec. 28, 1993 |
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