Nova Patents
ATE321900T1

Multilayer thermal barrier coatings

Abstract

The present invention relates to a thin impermeable top coat on a thermal barrier coating for a metal part, such as a turbine blade, wherein the composite thin top coat is porous, inert, non-sacrificial, less permeable ceramic layer that eliminates the infiltration of environmental contaminants into the thermal barrier coating during operation of the metal part, thereby extending the life of the underlying thermal barrier coating and metal part thereunder.

Term

Term ended

Projected expiry passed 25 April 2021, 5.4 years ago.

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19 members in 10 offices

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2306941CanadaA

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CA2306941A1CanadaA1
CA2439946A1CanadaA1
WO0183851A1World Intellectual Property Organization (WIPO)A1
AU5457501AAustraliaA
EP1276917A1European Patent Office (EPO)A1
US2003138659A1United States of AmericaA1
HK1052204A1Hong Kong, ChinaA1
JP2003531966AJapanA
US6794059B2United States of AmericaB2
EP1276917B1European Patent Office (EPO)B1
AT321900TAustriaT
ATE321900T1This recordAustriaT1
DE60118356D1GermanyD1
ES2261400T3SpainT3
DE60118356T2GermanyT2
JP2008248393AJapanA
CA2439946CCanadaC
JP4221178B2JapanB2
JP4709249B2JapanB2