Under CopyrightFrietsch, R.R.FrietschSchmoch, U.U.SchmochNeuhäusler, P.P.NeuhäuslerRothengatter, O.O.Rothengatter2022-03-0712.4.20112011https://publica.fraunhofer.de/handle/publica/29534110.24406/publica-fhg-295341en303600Patent applications - structures, trends and recent developmentsstudy