Nova Patents
AR047321A1

Fuel cell system including an ion filter

Abstract

This is addressed to a fuel supplier and a fuel system with an ion filter and an ion meter. The filter can be manufactured from discrete pieces of polymeric filter material. The polymeric filter material is substantially the same as the proton exchange membrane in the fuel cell. The ion meter measures the level of ions in the fuel by measuring a voltage (voltage) through a fuel section or a current through the same section. The voltage or current is related to the level of ions in the fuel.

Term

No projected expiry on record.

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143 members in 16 offices

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Priority claims
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72523503United States of AmericaA

Members143

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US2004045007A1United States of AmericaA1
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WO2004021136A2World Intellectual Property Organization (WIPO)A2
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WO2004100013A1World Intellectual Property Organization (WIPO)A1
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US2005115312A1United States of AmericaA1
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AU2004296030A1AustraliaA1
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EP1543414A2European Patent Office (EPO)A2
EP1543435A1European Patent Office (EPO)A1
EP1556760A2European Patent Office (EPO)A2
WO2005055336A3World Intellectual Property Organization (WIPO)A3
TW200525808ATaiwan Province of ChinaA
TW200526950ATaiwan Province of ChinaA
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AR046731A1ArgentinaA1
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US2006019135A1United States of AmericaA1
WO2005055340A3World Intellectual Property Organization (WIPO)A3
TWI251369BTaiwan Province of ChinaB
US7017140B2United States of AmericaB2
EP1689504A2European Patent Office (EPO)A2
EP1690304A2European Patent Office (EPO)A2
EP1690309A2European Patent Office (EPO)A2
US2006190904A1United States of AmericaA1
KR20060103261ARepublic of KoreaA
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BRPI0417013ABrazilA
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JP2007513483AJapanA
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WO2005055337A3World Intellectual Property Organization (WIPO)A3
AR054604A1ArgentinaA1
EP1556760A4European Patent Office (EPO)A4
JP2007524967AJapanA
EP1543435A4European Patent Office (EPO)A4
CN101120471AChinaA
US7329348B2United States of AmericaB2
EP1689504A4European Patent Office (EPO)A4
KR20080033317ARepublic of KoreaA
MX2008001586AMexicoA
EP1915794A2European Patent Office (EPO)A2
US2008118785A1United States of AmericaA1
WO2007019106A3World Intellectual Property Organization (WIPO)A3
US2008231836A1United States of AmericaA1
EP1690309A4European Patent Office (EPO)A4
TWI302603BTaiwan Province of ChinaB
US7464360B2United States of AmericaB2
JP2009506482AJapanA
CN101390246AChinaA
US7559056B2United States of AmericaB2
EP1690304A4European Patent Office (EPO)A4
ZA200800745BSouth AfricaB
RU2008106258ARussian FederationA
US7642742B2United States of AmericaB2
US7655147B2United States of AmericaB2
US7655331B2United States of AmericaB2
CN100590393CChinaC
US7698936B2United States of AmericaB2
US2010112400A1United States of AmericaA1
EP1915794A4European Patent Office (EPO)A4
US2010199274A1United States of AmericaA1
MY142323AMalaysiaA
US7901834B2United States of AmericaB2
US2011123889A1United States of AmericaA1
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