| |
 |
|
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 |
| 5765964 |
Submerged combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil |
Jun. 16, 1998 |
| 5766457 |
Water aeration system |
Jun. 16, 1998 |
| 5766474 |
Biomass impoundment management system for purifying water |
Jun. 16, 1998 |
| 5766475 |
Waste water disposal system |
Jun. 16, 1998 |
| 5755976 |
Pneumatic bubble aeration reactor and method of using same |
May. 26, 1998 |
| 5752785 |
Drainage pump station and drainage operation method for drainage pump station |
May. 19, 1998 |
| 5753108 |
Integrated oil response and recovery system and method and skimmer for use therein |
May. 19, 1998 |
| 5753109 |
Apparatus and method for phosphate-accelerated bioremediation |
May. 19, 1998 |
| 5753115 |
Submerged pipe separator tank |
May. 19, 1998 |
| 5746911 |
Apparatus for separating a light from a heavy fluid |
May. 5, 1998 |
| 5746912 |
Multicell separator |
May. 5, 1998 |
| 5746923 |
Control of iron deposition in borehole pumps |
May. 5, 1998 |
| 5744040 |
Apparatus and method for removing dissolved hydrogen sulfide from water |
Apr. 28, 1998 |
| 5738781 |
Household waste water treatment and recycling system |
Apr. 14, 1998 |
| 5736047 |
Hybrid biological nutrient removal system |
Apr. 7, 1998 |
| 5736049 |
Method and means for odor control in waste water lagoons |
Apr. 7, 1998 |
| 5733453 |
Wastewater treatment system and method |
Mar. 31, 1998 |
| 5730871 |
Downhole fluid separation system |
Mar. 24, 1998 |
| 5725760 |
Enhanced separator tank |
Mar. 10, 1998 |
| 5723044 |
Water filtration system for control of the zebra mussel |
Mar. 3, 1998 |
| 5720885 |
Process and device for the treatment and/or dewatering of sludge taken from waste water cesspools, especially small-scale sewage treatment plants |
Feb. 24, 1998 |
| 5714058 |
Apparatus for accelerating revival of environment |
Feb. 3, 1998 |
| 5714077 |
Liquid filtration system |
Feb. 3, 1998 |
| 5711374 |
Method for cyclone separation of oil and water and an apparatus for separating of oil and water |
Jan. 27, 1998 |
| 5711886 |
Apparatus and method for preventing mollusk infestation in residential water system |
Jan. 27, 1998 |
| 5707513 |
Wastewater treatment method and apparatus |
Jan. 13, 1998 |
| 5707527 |
Apparatus and method for treating storm water runoff |
Jan. 13, 1998 |
| 5702593 |
Stormwater treatment system/apparatus |
Dec. 30, 1997 |
| 5702614 |
Fluid treatment method |
Dec. 30, 1997 |
| 5698092 |
In-situ oxidizing zone remediation system for contaminated groundwater |
Dec. 16, 1997 |
| 5695635 |
Ozone purifying apparatus |
Dec. 9, 1997 |
| 5695652 |
Methods for inhibiting the production of slime in aqueous systems |
Dec. 9, 1997 |
| 5693225 |
Downhole fluid separation system |
Dec. 2, 1997 |
| 5690173 |
Apparatus for enhanced bioremediation of underground contaminants |
Nov. 25, 1997 |
| 5690820 |
Wellhead brine treatment |
Nov. 25, 1997 |
| 5690827 |
Sewage treatment system using peat and a constructed wetland |
Nov. 25, 1997 |
| 5688076 |
High-vacuum groundwater and soil remediation system and related method and apparatus |
Nov. 18, 1997 |
| 5688405 |
Method and apparatus for separating particulate matter from a fluid |
Nov. 18, 1997 |
| 5688406 |
Method and apparatus for separating particulate from a flowing fluid |
Nov. 18, 1997 |
| 5683577 |
Filter device for wastewater treatment system |
Nov. 4, 1997 |
| 5681455 |
Flowing-down rainwater flow-separating pipe |
Oct. 28, 1997 |
| 5679246 |
Spill containment system |
Oct. 21, 1997 |
| 5676828 |
Apparatus and method for modifying waste water |
Oct. 14, 1997 |
| 5670046 |
Treatment of nutrient-rich water |
Sep. 23, 1997 |
| 5667673 |
Microbial mediated water treatment |
Sep. 16, 1997 |
| 5653874 |
Self-cleaning screen for a pump inlet bay |
Aug. 5, 1997 |
| 5650065 |
Skimmer cover for dry well in a catch basin |
Jul. 22, 1997 |
| 5650073 |
Dry hydrant strainer with strainer hole pattern for achieving uniform flow rates |
Jul. 22, 1997 |
| 5647975 |
Device for recovering pollutants spilled on water or on the ground |
Jul. 15, 1997 |
| 5639364 |
Light-weight drainage line units |
Jun. 17, 1997 |
|
|
|
