Inventor · Duisburg, DE

Rolf Bertram

4Patents
2h-index
6Co-inventors
41Inventor score

Filing activity: Mar 9, 1978 → Aug 17, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4208039A Device for dividing a strand into slabs Performing Operations; Transporting 3 Expired
US4297151A Method for dividing a strand into slabs Performing Operations; Transporting 3 Expired
US8053693B2 Switch contact with a weight-reduced contact spring Electricity 2 Active
US9589740B2 Switch contact with a weight-reduced contact spring Electricity 0 Active

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