| |
 |
|
Class Information
Number: 55/498
Name: Gas separation > With means securing or retaining separating media > Unit or cohesive sheet-like media in flow line or frame > Edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) > Spiral or cylindrical
Description: Apparatus in which the resulting shape of the media takes the form of a cylinder or spiral.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618480 |
Filter assembly and method |
Nov. 17, 2009 |
| 7615091 |
Filter element, air cleaner, and methods |
Nov. 10, 2009 |
| 7611559 |
Filter element |
Nov. 3, 2009 |
| 7608124 |
Particulate filtration system |
Oct. 27, 2009 |
| 7604677 |
Structure of air cleaner box |
Oct. 20, 2009 |
| 7597734 |
Multi-element filter arrangement and methods |
Oct. 6, 2009 |
| 7597733 |
Liquid absorbing filter assembly and system |
Oct. 6, 2009 |
| 7588615 |
Filter element with drainage tube |
Sep. 15, 2009 |
| 7588619 |
Cross-flow filter media and filter assembly |
Sep. 15, 2009 |
| 7575616 |
Low-profile surface mount filter |
Aug. 18, 2009 |
| 7572310 |
Filter system; element configuration; and methods |
Aug. 11, 2009 |
| 7569090 |
Method of forming filter arrangements; and, apparatus |
Aug. 4, 2009 |
| 7563299 |
Filtering apparatus, filter regulator for use with spray gun and spraying system using the same |
Jul. 21, 2009 |
| 7563300 |
Air cleaner |
Jul. 21, 2009 |
| 7550023 |
Multi functional filter |
Jun. 23, 2009 |
| 7537631 |
Filter cartridges; air cleaners; and methods |
May. 26, 2009 |
| 7534287 |
Porous sintered composite materials |
May. 19, 2009 |
| 7531018 |
Multi-stage apparatus for separating liquid droplets from gases |
May. 12, 2009 |
| 7524349 |
Air cleaner; air filter cartridge and method of manufacturing |
Apr. 28, 2009 |
| 7520925 |
Filter and silencer with a quick disconnect lid |
Apr. 21, 2009 |
| 7520913 |
Non-cylindrical filter elements, and methods |
Apr. 21, 2009 |
| 7517393 |
Jet pulse chamber venturi dust collector |
Apr. 14, 2009 |
| 7517944 |
Process for producing polycarbonate |
Apr. 14, 2009 |
| 7513925 |
Filters |
Apr. 7, 2009 |
| 7513923 |
Variable impedance air filter for electronic systems |
Apr. 7, 2009 |
| 7503952 |
Filter element |
Mar. 17, 2009 |
| 7503956 |
Exhaust treatment device with adjustable retention collar |
Mar. 17, 2009 |
| 7501005 |
Exhaust treatment device having submerged connecting flanges |
Mar. 10, 2009 |
| 7501004 |
Filter element |
Mar. 10, 2009 |
| 7501003 |
Composite filter media |
Mar. 10, 2009 |
| 7497887 |
Device for separating impurities from the lubricating oil of an internal combustion engine |
Mar. 3, 2009 |
| 7497886 |
Dust extraction for power tools |
Mar. 3, 2009 |
| 7481862 |
Filter assembly using adhesive center tube |
Jan. 27, 2009 |
| 7481863 |
Air filter |
Jan. 27, 2009 |
| 7481926 |
Filter device |
Jan. 27, 2009 |
| 7476267 |
Filter cartridge for vacuum cleaner |
Jan. 13, 2009 |
| 7473288 |
Particulate matter reducing apparatus |
Jan. 6, 2009 |
| 7473292 |
Air cleaner |
Jan. 6, 2009 |
| 7470407 |
Carbon particle reducing apparatus |
Dec. 30, 2008 |
| 7465328 |
Dust collector for a power tool |
Dec. 16, 2008 |
| 7465330 |
Filter assembly and method of making a filter assembly |
Dec. 16, 2008 |
| 7455707 |
Reverse flow air filter arrangement and method |
Nov. 25, 2008 |
| 7452395 |
Air filter for a scoop |
Nov. 18, 2008 |
| 7444712 |
Vacuum cleaner |
Nov. 4, 2008 |
| 7442220 |
Assembly for collecting material entrained in a gas stream |
Oct. 28, 2008 |
| 7416576 |
Fiber bed assembly and fiber bed therefor |
Aug. 26, 2008 |
| 7413588 |
High efficiency, low restriction, cost effective filter |
Aug. 19, 2008 |
| 7396377 |
Compact filter comprising a square seal |
Jul. 8, 2008 |
| 7396376 |
Seal arrangement for filter element; filter element assembly; and, methods |
Jul. 8, 2008 |
| 7393375 |
Filter element having sealing members and methods |
Jul. 1, 2008 |
|
|
|
