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Class Information
Number: 210/259
Name: Liquid purification or separation > Serially connected distinct treating with or without storage units > Diverse
Description: Apparatus under subclas 252 in which the units differ from each other as to their separating structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7413665 |
Methods and apparatus for blood component separation |
Aug. 19, 2008 |
| 7410573 |
Waste water purification apparatus and waste water purification method including the regeneration of used coagulant |
Aug. 12, 2008 |
| 7410584 |
Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane |
Aug. 12, 2008 |
| 7407577 |
Tertiary filter septic system and method |
Aug. 5, 2008 |
| 7407580 |
System and method for treating carbon, nitrogen, phosphorous containing wastewater |
Aug. 5, 2008 |
| 7407585 |
Water purification system and methods, and module for the system |
Aug. 5, 2008 |
| 7396451 |
Methods and apparatus for blood component separation |
Jul. 8, 2008 |
| 7384553 |
Method for operating anaerobic ammonium oxidation vessel and anaerobic ammonium oxidation equipment |
Jun. 10, 2008 |
| 7371320 |
Magnetic separation unit and water purification system |
May. 13, 2008 |
| 7368055 |
Structural improvement for a water purifier |
May. 6, 2008 |
| 7354509 |
Wastewater treatment system |
Apr. 8, 2008 |
| 7351336 |
Ballast water treatment systems including related apparatus and methods |
Apr. 1, 2008 |
| 7347940 |
Nitrogen removal system and method for wastewater treatment lagoons |
Mar. 25, 2008 |
| 7344641 |
Used water treatment system for residences and the like |
Mar. 18, 2008 |
| 7335298 |
Modular aquarium filter |
Feb. 26, 2008 |
| 7316776 |
Aquarium filtration system with bio-reactor |
Jan. 8, 2008 |
| 7314563 |
Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous |
Jan. 1, 2008 |
| 7314547 |
Fountain solution recycling system for commercial printers |
Jan. 1, 2008 |
| 7311821 |
Water circulation unit with increased throughput for swimming pools, and filter unit comprising the same |
Dec. 25, 2007 |
| 7311833 |
Zero excess sludge membrane bioreactor |
Dec. 25, 2007 |
| 7311834 |
Apparatus for the treatment of particulate biodegradable organic waste |
Dec. 25, 2007 |
| 7311799 |
Hydrofluoric acid wastewater treatment method and device |
Dec. 25, 2007 |
| 7309445 |
Transferring slurry from a vessel |
Dec. 18, 2007 |
| 7306735 |
Process for the removal of contaminants from water |
Dec. 11, 2007 |
| 7306733 |
Autotrophic denitrification chamber and calcium reactor |
Dec. 11, 2007 |
| 7303672 |
Liquid/solid separator and method |
Dec. 4, 2007 |
| 7300575 |
Portable filter system |
Nov. 27, 2007 |
| 7297274 |
Fixed-film anaerobic digestion of flushed waste |
Nov. 20, 2007 |
| 7291267 |
Molecular separator |
Nov. 6, 2007 |
| 7288197 |
Biological membrane filtration system for water treatment and a water treatment process |
Oct. 30, 2007 |
| 7279100 |
Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane |
Oct. 9, 2007 |
| 7276160 |
Method and apparatus for metal removal by ion exchange |
Oct. 2, 2007 |
| 7276165 |
Method and plant for biological treatment of aqueous effluents for purification thereof |
Oct. 2, 2007 |
| 7270751 |
Method for treatment of sewage plant sludges by a fungal process |
Sep. 18, 2007 |
| 7267774 |
Fuel and by-products from fermentation still bottoms |
Sep. 11, 2007 |
| 7264714 |
Protein skimmer |
Sep. 4, 2007 |
| 7258790 |
Controlled eutrophication system and process |
Aug. 21, 2007 |
| 7250230 |
Water filter for an electrochemical fuel cell system |
Jul. 31, 2007 |
| 7244353 |
Method of and system for fluid purification |
Jul. 17, 2007 |
| 7244356 |
Autotrofic sulfur denitration chamber and calcium reactor |
Jul. 17, 2007 |
| 7232525 |
Automatic tank cleaning system |
Jun. 19, 2007 |
| 7226539 |
Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery |
Jun. 5, 2007 |
| 7226536 |
Portable water filtration device |
Jun. 5, 2007 |
| 7226542 |
Fluid treatment apparatus |
Jun. 5, 2007 |
| 7217358 |
Ultraviolet radiation treatment of unwanted microorganisms |
May. 15, 2007 |
| 7217368 |
Method and apparatus for liquid treatment with combined electronic and centrifugal processes to remove contaminants |
May. 15, 2007 |
| 7201848 |
Methods and apparatus for separation of particles |
Apr. 10, 2007 |
| 7198716 |
Phased activated sludge system |
Apr. 3, 2007 |
| 7195712 |
Wastewater treatment apparatus and method for removing nitrogen and phosphorus |
Mar. 27, 2007 |
| 7182856 |
Stormwater treatment train |
Feb. 27, 2007 |
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