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Class Information
Number: 250/437
Name: Radiant energy > Fluent material containment, support or transfer means > With irradiating source or radiating fluent material > Including a flowthrough transfer means > Tortuous path type
Description: Subject matter wherein the material enclosing means provides a circuitous passageway for the fluent material that bends, twists or curves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586104 |
Non-heating type fluid sterilizing apparatus |
Sep. 8, 2009 |
| 7578933 |
Biological filter for aquatic ecosystems |
Aug. 25, 2009 |
| 7540955 |
Photocatalytic water treatment apparatus |
Jun. 2, 2009 |
| 7513486 |
Humidifier with improved UV disinfection |
Apr. 7, 2009 |
| 7431848 |
Modular ultraviolet sterilizer |
Oct. 7, 2008 |
| 7420183 |
Apparatus and process for sterilization of liquid media by means of UV irradiation and short-time heat treatment |
Sep. 2, 2008 |
| 7361904 |
UV water purification system |
Apr. 22, 2008 |
| 7317193 |
Ultraviolet radiation water disinfecting device |
Jan. 8, 2008 |
| 7294839 |
Low volume sample cell and gas monitoring system using same |
Nov. 13, 2007 |
| 7226542 |
Fluid treatment apparatus |
Jun. 5, 2007 |
| 7135108 |
Water purifyer with extruded body having circumferentially arranged tubes |
Nov. 14, 2006 |
| RE39313 |
Procedure and filter device for removal and/or destruction of organic substances in contaminated air |
Oct. 3, 2006 |
| 6972415 |
Fluid treatment system with UV sensor and intelligent driver |
Dec. 6, 2005 |
| 6932903 |
Ultraviolet-and-ozone disinfection apparatus having improvement on disinfection effect |
Aug. 23, 2005 |
| 6919019 |
Laser water detection, treatment and notification systems and methods |
Jul. 19, 2005 |
| 6897452 |
Apparatus for irradiating material |
May. 24, 2005 |
| 6881331 |
Assembly for purifying water |
Apr. 19, 2005 |
| 6781137 |
Fluid treatment apparatus |
Aug. 24, 2004 |
| 6759664 |
Ultraviolet curing system and bulb |
Jul. 6, 2004 |
| 6726839 |
Point-of-use water treatment system |
Apr. 27, 2004 |
| 6716343 |
Point-of-use water treatment system |
Apr. 6, 2004 |
| 6716345 |
Point-of-use water treatment system |
Apr. 6, 2004 |
| 6657205 |
Turbine-boosted ultraviolet-radiation sterilizing fluid processor |
Dec. 2, 2003 |
| 6613277 |
Air purifier |
Sep. 2, 2003 |
| 6547963 |
Structure of water tank with ultraviolet-ray sterilization lamp |
Apr. 15, 2003 |
| 6503447 |
Method for purifying gaseous effluents by means of photocatalysis, installation for carrying out said method |
Jan. 7, 2003 |
| 6501079 |
Ultraviolet-ray irradiation apparatus for sterilization of a liquid or sludgy substance |
Dec. 31, 2002 |
| 6497840 |
Ultraviolet germicidal system |
Dec. 24, 2002 |
| 6469308 |
Ultraviolet radiated water treatment tank |
Oct. 22, 2002 |
| 6454952 |
Fluid sterilization apparatus |
Sep. 24, 2002 |
| 6420715 |
Method and apparatus for improved mixing in fluids |
Jul. 16, 2002 |
| 6411042 |
Display cold spot temperature regulator |
Jun. 25, 2002 |
| 6312593 |
Ultraviolet blood irradiation chamber |
Nov. 6, 2001 |
| 6200466 |
Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
Mar. 13, 2001 |
| 6194735 |
Gas sensor |
Feb. 27, 2001 |
| 6179969 |
Procedure and filter device for removal and/or destruction of organic substances in contaminated air |
Jan. 30, 2001 |
| 6153105 |
Ice-maker treatment system |
Nov. 28, 2000 |
| 5994705 |
Flow-through photo-chemical reactor |
Nov. 30, 1999 |
| 5952663 |
Apparatus for improving UV dosage applied to fluids in open channel UV disinfection systems |
Sep. 14, 1999 |
| 5942125 |
Dental unit water purifier |
Aug. 24, 1999 |
| 5866910 |
Flow-through photo-chemical reactor |
Feb. 2, 1999 |
| 5855850 |
Micromachined photoionization detector |
Jan. 5, 1999 |
| 5853572 |
Home water purification system |
Dec. 29, 1998 |
| 5787144 |
Sterilization process for medical devices |
Jul. 28, 1998 |
| 5770147 |
Apparatus for the irradiation of body fluids by ultraviolet light |
Jun. 23, 1998 |
| 5709799 |
Super ozonating water purifier |
Jan. 20, 1998 |
| 5696380 |
Flow-through photo-chemical reactor |
Dec. 9, 1997 |
| 5675153 |
UV apparatus for fluid treatment |
Oct. 7, 1997 |
| 5626768 |
Sterilization of opaque liquids with ultraviolet radiation |
May. 6, 1997 |
| 5614723 |
Apparatus for treating fluids with ultraviolet radiation |
Mar. 25, 1997 |
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