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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 |
| 5167800 |
Apparatus for treatment of acidic water streams |
Dec. 1, 1992 |
| 5160036 |
Automatic pollution containment and alert apparatus for liquid drainages |
Nov. 3, 1992 |
| 5158835 |
Acid rain neutralizing block, method of making such blocks and method of neutralizing acidified surface water |
Oct. 27, 1992 |
| 5156741 |
Wastewater treatment system and method |
Oct. 20, 1992 |
| 5149443 |
System for recovering oil from the ocean controlled by wave profile generating computer |
Sep. 22, 1992 |
| 5147530 |
Well water removal and treatment system |
Sep. 15, 1992 |
| 5147535 |
Arrangement for driving out of volatile impurities from ground water using vibrations |
Sep. 15, 1992 |
| 5147561 |
Device for sampling and stripping volatile chemicals within wells |
Sep. 15, 1992 |
| 5143606 |
Arrangement for cleaning contaminated ground water |
Sep. 1, 1992 |
| 5143607 |
Arrangement for driving out volatile impurities from ground water |
Sep. 1, 1992 |
| 5143623 |
Nutrient and particle removal: method and apparatus for treatment of existing lakes, ponds and water bodies |
Sep. 1, 1992 |
| 5141650 |
Pressure screen |
Aug. 25, 1992 |
| 5135648 |
Universal liquid reduction and treatment system |
Aug. 4, 1992 |
| 5133623 |
Solid waste disposal system |
Jul. 28, 1992 |
| 5134078 |
Process and plant for the removal of soil contaminants |
Jul. 28, 1992 |
| 5132021 |
In situ treatment of waste water to prevent ground water contamination |
Jul. 21, 1992 |
| 5124044 |
Phosphate removal from aquaria using immobilized ferric hydroxide |
Jun. 23, 1992 |
| 5122264 |
Liquid fuel dispensing system including a filtration vessel within a sump |
Jun. 16, 1992 |
| 5122266 |
Apparatus for advanced aquaculture life support |
Jun. 16, 1992 |
| 5116163 |
Arrangement for driving out volatile impurities from ground water |
May. 26, 1992 |
| 5116515 |
Process and apparatus for removing volatile organic compounds from contaminated vadose soil areas |
May. 26, 1992 |
| 5116516 |
Gravitational separator for separating solid components out of a liquid mixture |
May. 26, 1992 |
| 5106504 |
Artificial open water structures |
Apr. 21, 1992 |
| 5104554 |
Removing radon by downhole sparging of air |
Apr. 14, 1992 |
| 5096577 |
Floating aquatic plant water treatment system |
Mar. 17, 1992 |
| 5091096 |
Marine oil spill recovery apparatus and method |
Feb. 25, 1992 |
| 5089120 |
Treatment vessel for bodies of water with laterally adjustable pontoons |
Feb. 18, 1992 |
| 5087353 |
Solar aquatic apparatus for treating waste |
Feb. 11, 1992 |
| 5083885 |
Laying structure for vacuum sewer pipe of vacuum sewage collecting system |
Jan. 28, 1992 |
| 5080781 |
Down-hole hydrocarbon collector |
Jan. 14, 1992 |
| 5080782 |
Apparatus for bioremediation of sites contaminated with hazardous substances |
Jan. 14, 1992 |
| 5080783 |
Apparatus for recovering, separating, and storing fluid floating on the surface of another fluid |
Jan. 14, 1992 |
| 5080805 |
Method and apparatus for removing iron from well water |
Jan. 14, 1992 |
| 5078795 |
In-situ formation of soluble silicates from biogenetic silica in chemical fixation/solidification treatment of wastes |
Jan. 7, 1992 |
| 5073257 |
Apparatus for treating water |
Dec. 17, 1991 |
| 5069796 |
System for removing volatile components from water derived from wells |
Dec. 3, 1991 |
| 5067850 |
Apparatus for detection and containment of pollutants in a drainage system |
Nov. 26, 1991 |
| 5067852 |
Method and apparatus for removing volatile contaminants from contaminated soil |
Nov. 26, 1991 |
| 5061369 |
Sub-soil domestic wastewater treatment apparatus having wedge shaped inclined surfaces |
Oct. 29, 1991 |
| 5061458 |
Decontamination apparatus for environmental protection |
Oct. 29, 1991 |
| 5059066 |
System and method for disposal of waste |
Oct. 22, 1991 |
| 5043061 |
Evaporation and emanation type wastewater treating apparatus |
Aug. 27, 1991 |
| 5043076 |
In situ treatment of waste water to prevent ground water contamination |
Aug. 27, 1991 |
| 5037542 |
Protective grating with pivoting sections for culvert pipe |
Aug. 6, 1991 |
| 5037688 |
Material for protecting a slope surface and for water treatment and contact purposes |
Aug. 6, 1991 |
| 5032289 |
In situ off-shore processing of urban sewage without using or contaminating urban land |
Jul. 16, 1991 |
| 5030343 |
Drainage cell |
Jul. 9, 1991 |
| 5025822 |
Water disinfecting system |
Jun. 25, 1991 |
| 5018576 |
Process for in situ decontamination of subsurface soil and groundwater |
May. 28, 1991 |
| 5017040 |
Sewage disposal system and method |
May. 21, 1991 |
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