Nova Patents
AT297798T

Filter structure with two or more layers of fine fiber having extended useful service life

Abstract

By fibre diameter is formed 0.0001-0.5 micrometer thin fibre and filter medium the other measuring. A horizontal housing with the thin fibre layer of common filter medium of the medium structure upstream surface of the air surface of. Wherein the fibre through catching the small particle improving to the structure of the total filtering dust-containing efficiency is an wherein efficiency filter. With developed the fibre improved structure, the medium on two sides is provided with a control number of the fibre, and filter efficiency, and greatly enhanced wherein service life.

Term

No projected expiry on record.

  1. Priority
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234 members in 15 offices

This recordMember, by publication datePriority claim5 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
23013800United States of AmericaP
87115601United States of AmericaA
0126045United States of AmericaW

Members234

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CA2419770A1CanadaA1
CA2419779A1CanadaA1
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CA2419802A1CanadaA1
CA2419849A1CanadaA1
WO0220129A2World Intellectual Property Organization (WIPO)A2
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WO0220135A2World Intellectual Property Organization (WIPO)A2
WO0220668A2World Intellectual Property Organization (WIPO)A2
AU8326301AAustraliaA
AU8477101AAustraliaA
AU8480801AAustraliaA
AU8483301AAustraliaA
AU8514001AAustraliaA
AU8833301AAustraliaA
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US2002046656A1United States of AmericaA1
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US2002073849A1United States of AmericaA1
US2002092423A1United States of AmericaA1
WO0220133A3World Intellectual Property Organization (WIPO)A3
WO0220129A3World Intellectual Property Organization (WIPO)A3
WO0220130A3World Intellectual Property Organization (WIPO)A3
WO0220132A3World Intellectual Property Organization (WIPO)A3
WO0220134A3World Intellectual Property Organization (WIPO)A3
WO0220135A3World Intellectual Property Organization (WIPO)A3
US2003010002A1United States of AmericaA1
US2003037675A1United States of AmericaA1
EP1317316A2European Patent Office (EPO)A2
EP1317317A2European Patent Office (EPO)A2
KR20030045794ARepublic of KoreaA
KR20030046424ARepublic of KoreaA
KR20030046430ARepublic of KoreaA
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US2003106294A1United States of AmericaA1
WO0220130B1World Intellectual Property Organization (WIPO)B1
BR0113656ABrazilA
BR0113657ABrazilA
EP1326697A2European Patent Office (EPO)A2
EP1326698A2European Patent Office (EPO)A2
EP1326699A2European Patent Office (EPO)A2
WO0220668A3World Intellectual Property Organization (WIPO)A3
MXPA03001944AMexicoA
IL154569D0IsraelD0
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IL154606D0IsraelD0
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IL154686D0IsraelD0
KR20030081302ARepublic of KoreaA
CN1452506AChinaA
EP1355714A2European Patent Office (EPO)A2
EP1358272A2European Patent Office (EPO)A2
KR20030086985ARepublic of KoreaA
CN1458855AChinaA
BR0113655ABrazilA
US6673136B2United States of AmericaB2
CN1468134AChinaA
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BR0113658ABrazilA
CN1471421AChinaA
JP2004508164AJapanA
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US2004060268A1United States of AmericaA1
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US6740142B2United States of AmericaB2
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RU2003107561ARussian FederationA
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US2004200354A1United States of AmericaA1
CN1543487AChinaA
US2004226443A1United States of AmericaA1
US6875256B2United States of AmericaB2
EP1326697B1European Patent Office (EPO)B1
CN1210088CChinaC
AT297798TThis recordAustriaT
ATE297798T1AustriaT1
DE60111554D1GermanyD1
US6924028B2United States of AmericaB2
US2005183405A1United States of AmericaA1
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