Under CopyrightNeuhäusler, PeterPeterNeuhäuslerRothengatter, OliverOliverRothengatterFeidenheimer, AlexanderAlexanderFeidenheimer2022-03-0826.3.20212021https://publica.fraunhofer.de/handle/publica/30090410.24406/publica-fhg-300904en303600Patent applications - Structures, trends and recent developments 2020study