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Class Information
Number: 95/286
Name: Gas separation: processes > Filtering > Plural separate media
Description: Process in which at least two filters that are spaced apart are used.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7569093 |
Filtering particulate materials in continuous emission monitoring systems |
Aug. 4, 2009 |
| 7563295 |
Filter having inlet portion with diffuser elements |
Jul. 21, 2009 |
| 7540901 |
Filters employing both acidic polymers and physical-adsorption media |
Jun. 2, 2009 |
| 7413587 |
Disposable filter for a fluid handling device and a method for using the same |
Aug. 19, 2008 |
| 7387655 |
Air filtration unit |
Jun. 17, 2008 |
| 7344579 |
Pipe trap |
Mar. 18, 2008 |
| 7344580 |
Filter unit |
Mar. 18, 2008 |
| 7344576 |
Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids |
Mar. 18, 2008 |
| 7338544 |
Z-filter media with reverse-flow cleaning systems and methods |
Mar. 4, 2008 |
| 7329310 |
Filter module |
Feb. 12, 2008 |
| 7318851 |
Filter element |
Jan. 15, 2008 |
| 7306639 |
Demisting chamber with elbow strainer |
Dec. 11, 2007 |
| 7264644 |
Methods and apparatuses for mounting a filtration housing for solid filtration media |
Sep. 4, 2007 |
| 7258712 |
Smoke evacuation system |
Aug. 21, 2007 |
| 7252704 |
Filter arrangement and methods |
Aug. 7, 2007 |
| 7223298 |
Filter assembly for pipelines |
May. 29, 2007 |
| 7182799 |
Filter assembly comprising filter elements and a filter grid |
Feb. 27, 2007 |
| 7160355 |
Method and system for regenerating diesel particle filters |
Jan. 9, 2007 |
| 7122065 |
Adapter for low volume air sampler |
Oct. 17, 2006 |
| 7074250 |
Air filtration unit |
Jul. 11, 2006 |
| 7008468 |
HEPA vacuum recovery system |
Mar. 7, 2006 |
| 6997974 |
High strength and ultra-efficient oil coalescer |
Feb. 14, 2006 |
| 6994744 |
Filter arrangement and methods |
Feb. 7, 2006 |
| 6966938 |
Oil separator for pumps overflowing with oil |
Nov. 22, 2005 |
| 6960245 |
Filter arrangement and methods |
Nov. 1, 2005 |
| 6875247 |
Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids |
Apr. 5, 2005 |
| 6797042 |
Pyramid air cleaner |
Sep. 28, 2004 |
| 6673136 |
Air filtration arrangements having fluted media constructions and methods |
Jan. 6, 2004 |
| 6666910 |
Air filtration system and method of use |
Dec. 23, 2003 |
| 6648947 |
Method and apparatus for replacing a filter |
Nov. 18, 2003 |
| 6645275 |
Apparatus and methods for removing fines from a gas stream |
Nov. 11, 2003 |
| 6572682 |
Self-cleaning filter system using direct electrically heated sintered metal fiber filter media |
Jun. 3, 2003 |
| 6540805 |
High-performance filter for intake air for gas turbine, and filter unit using such filter for intake air for gas turbine |
Apr. 1, 2003 |
| 6533845 |
Filter arrangement and methods |
Mar. 18, 2003 |
| 6409805 |
Fluid filter system |
Jun. 25, 2002 |
| 6348085 |
Filter arrangement and methods |
Feb. 19, 2002 |
| 6245130 |
Filter system |
Jun. 12, 2001 |
| 6238464 |
Method and apparatus for separating droplets for particles from a gas stream |
May. 29, 2001 |
| 6168647 |
Multi-stage vessel and separator/coalescer filter element |
Jan. 2, 2001 |
| 6110259 |
Smoke evacuation system |
Aug. 29, 2000 |
| 6090187 |
Apparatus and method for removing particulates in exhaust gas of an internal combustion engine collected by exhaust particulate remover apparatus |
Jul. 18, 2000 |
| 6044842 |
Gasketless connecting adapter |
Apr. 4, 2000 |
| 5993519 |
Method of exchanging filters in a clean room and auxiliary device for use in the exchanging of the filters |
Nov. 30, 1999 |
| 5983894 |
Filter for a unilimb rebreathing ventilator |
Nov. 16, 1999 |
| 5931988 |
Cabinet filter assembly and methods |
Aug. 3, 1999 |
| 5919284 |
Gas filter separator coalescer and multi-stage vessel |
Jul. 6, 1999 |
| 5846300 |
Fabric filter with gas inlet geometry and method |
Dec. 8, 1998 |
| 5830423 |
Waste gas treatment system |
Nov. 3, 1998 |
| 5795369 |
Fluted filter media for a fiber bed mist eliminator |
Aug. 18, 1998 |
| 5725635 |
Method to remove organic halogenated molecules from gaseous currents and relative plant |
Mar. 10, 1998 |
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