Inventor · Heuchelheim, DE

Michael Held

8Patents
3h-index
3Co-inventors
50Inventor score

Filing activity: Mar 5, 1993 → Nov 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD507585S1 Drill bore bit General 29 Expired
US5367936A Adjustable cutting knife cylinder Emerging Cross-Sectional Technologies 18 Expired
US7390292B2 Puncture cylinder provided with at least one puncture strip Performing Operations; Transporting 4 Expired
US7883455B2 Folding device with a folding blade cylinder and a folding jaw cylinder Performing Operations; Transporting 3 Active
US7115087B2 Cutting device Emerging Cross-Sectional Technologies 2 Expired
US7494455B2 Cylinder for processing flat material Performing Operations; Transporting 1 Expired
US7523700B2 Cylinder for processing flat material Performing Operations; Transporting 0 Expired
US12291018B2 Die-cutting unit comprising a device for changing a die-cutting cylinder and method for changing a die-cutting cylinder Performing Operations; Transporting 0 Active

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