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Class Information
Number: 55/487
Name: Gas separation > Two or more separators (e.g., spaced filters in flow line or casing) > Plies or layers of different characteristics or orientation > Differing mesh sizes
Description: Apparatus in which the unlike characteristics relates to the size of flow passages in the members.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416576 |
Fiber bed assembly and fiber bed therefor |
Aug. 26, 2008 |
| 7398887 |
Product and method of forming successive layers of face-to-face adjacent media with calculated pore size |
Jul. 15, 2008 |
| 7399333 |
Filter element and process for producing the same |
Jul. 15, 2008 |
| 7387656 |
Fiber collecting media strip for a mist eliminator |
Jun. 17, 2008 |
| 7370766 |
Filter cloth and replaceable filter module |
May. 13, 2008 |
| 7357823 |
Disposable filter within a removable chamber |
Apr. 15, 2008 |
| 7332009 |
Separator arrangement for gas/liquid separation; apparatus; and, methods |
Feb. 19, 2008 |
| 7329311 |
Porous sintered composite materials |
Feb. 12, 2008 |
| 7320717 |
Industrial scale honeycomb type dust collector |
Jan. 22, 2008 |
| 7318853 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
Jan. 15, 2008 |
| 7311751 |
Filter medium |
Dec. 25, 2007 |
| 7300484 |
Blower having a carrying frame |
Nov. 27, 2007 |
| 7291196 |
Filamentary pad for improved mist elimination and mass transfer |
Nov. 6, 2007 |
| 7270692 |
Air filtration arrangements having fluted media constructions and methods |
Sep. 18, 2007 |
| 7270693 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
Sep. 18, 2007 |
| 7267703 |
Electrically regeneratable filter element |
Sep. 11, 2007 |
| 7255722 |
Gas filter |
Aug. 14, 2007 |
| 7252704 |
Filter arrangement and methods |
Aug. 7, 2007 |
| 7235122 |
Filtration media for filtering particulate material from gas streams |
Jun. 26, 2007 |
| 7201786 |
Dust bin and filter for robotic vacuum cleaner |
Apr. 10, 2007 |
| 7189274 |
Exhaust gas filter with at least one filter layer and method for producing a filter layer |
Mar. 13, 2007 |
| 7179317 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
Feb. 20, 2007 |
| 7169202 |
Filter assembly |
Jan. 30, 2007 |
| 7156890 |
Hubcap filter |
Jan. 2, 2007 |
| 7153336 |
Exhaust gas purifying apparatus, particulate filter and manufacturing method thereof |
Dec. 26, 2006 |
| 7153565 |
Laminate for container and container for adsorbent |
Dec. 26, 2006 |
| 7144438 |
Dust collecting container for vacuum cleaner |
Dec. 5, 2006 |
| 7138008 |
Filter assemblies and systems for intake air for fuel cells |
Nov. 21, 2006 |
| 7135051 |
Dirt cup filter with pre-filtration cap |
Nov. 14, 2006 |
| 7128772 |
Filter assembly, process for producing the filter assembly and filter body having the filter assembly |
Oct. 31, 2006 |
| 7125434 |
Deep gradient-density filter device |
Oct. 24, 2006 |
| 7115151 |
High efficiency particulate air rated vacuum bag media and an associated method of production |
Oct. 3, 2006 |
| 7115150 |
Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
Oct. 3, 2006 |
| 7112237 |
Porous sintered composite materials |
Sep. 26, 2006 |
| 7112234 |
Composite porous media |
Sep. 26, 2006 |
| 7112232 |
Air cleaning apparatus |
Sep. 26, 2006 |
| 7097684 |
Method of forming combined pleated scrim and filter media materials and product of same |
Aug. 29, 2006 |
| 7094270 |
Composite filter and method of making the same |
Aug. 22, 2006 |
| 7090712 |
Air filtration arrangements having fluted media construction and methods |
Aug. 15, 2006 |
| 7090715 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
Aug. 15, 2006 |
| 7070640 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
Jul. 4, 2006 |
| 7048501 |
Dust collecting filter, dust collecting device, and air intake device for gas turbine |
May. 23, 2006 |
| 7048773 |
Universal vacuum filter cartridge |
May. 23, 2006 |
| 7008471 |
Filter and canister having the same |
Mar. 7, 2006 |
| 7001449 |
Diesel exhaust filter system with electrical regeneration |
Feb. 21, 2006 |
| 6997974 |
High strength and ultra-efficient oil coalescer |
Feb. 14, 2006 |
| 6994742 |
Filtration arrangement utilizing pleated construction and method |
Feb. 7, 2006 |
| 6994744 |
Filter arrangement and methods |
Feb. 7, 2006 |
| 6974490 |
Air filtration arrangements having fluted media constructions and methods |
Dec. 13, 2005 |
| 6966939 |
Multi-layer filter structure and use of a multi-layer filter structure |
Nov. 22, 2005 |
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