Under CopyrightNeuhäusler, PeterPeterNeuhäuslerRothengatter, OliverOliverRothengatterFrietsch, RainerRainerFrietsch2022-03-0826.5.20182018https://publica.fraunhofer.de/handle/publica/29902810.24406/publica-fhg-299028en303600Patent applications - structures, trends and recent developments 2017study