Inventor · Siegen, DE

Friedhelm Eckhardt

5Patents
4h-index
4Co-inventors
50Inventor score

Filing activity: Jul 28, 1976 → Jun 17, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4161312A Card feeding mechanism Physics 19 Expired
US6106041A Device for removing ticks Human Necessities 14 Expired
US4447167A Stacking device for data carriers Performing Operations; Transporting 9 Expired
US4726698A Device for pressing a stack of sheets against a roller drive of a papersheet separator Performing Operations; Transporting 7 Expired
US4096604A Hinge mechanism Emerging Cross-Sectional Technologies 2 Expired

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