Under CopyrightNeuhäusler, PeterPeterNeuhäuslerRothengatter, OliverOliverRothengatterFrietsch, RainerRainerFrietsch2022-03-089.4.20192019https://publica.fraunhofer.de/handle/publica/29958710.24406/publica-fhg-299587en303600Patent applications - Structures, trends and recent developments 2018study