Inventor · Birkenfeld, DE

Markus Sperl

10Patents
3h-index
15Co-inventors
53Inventor score

Filing activity: Apr 17, 2001 → May 15, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6772886B2 Device for sorting bills Physics 22 Expired
US9573787B2 Gripping device for gripping sheet material Performing Operations; Transporting 4 Active
US6932732B2 Toothed belt wheel with a collar Emerging Cross-Sectional Technologies 3 Expired
US8695968B2 Device for handling sheet material Performing Operations; Transporting 2 Active
US7913833B2 Device for aligning disordered sheet-type products Performing Operations; Transporting 1 Active
US10189658B2 Stacking device for stacking value documents Performing Operations; Transporting 0 Active
US10109135B2 Supply module and method for supplying value documents to a value document preparation device Physics 0 Active
US7699308B2 Apparatus for diverting sheet material Performing Operations; Transporting 0 Active
US12169993B2 Filling of boxes for valuable documents Performing Operations; Transporting 0 Active
US10008066B2 Method and apparatus for handling value documents Performing Operations; Transporting 0 Active

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