Inventor · Hilden, DE

Manfred Kretschmer

4Patents
4h-index
5Co-inventors
36Inventor score

Filing activity: Sep 26, 2000 → Sep 20, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6568547B1 Crane, especially a self-propelled crane Performing Operations; Transporting 40 Expired
US7252203B2 Mobile crane having a superlift device Performing Operations; Transporting 22 Expired
US6474487B1 Ring lifting crane Performing Operations; Transporting 17 Expired
US6516961B1 Ringlift crane Performing Operations; Transporting 14 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.