Inventor · Ripon, WI, US

David M. Runk

12Patents
8h-index
11Co-inventors
65Inventor score

Filing activity: Jun 6, 1995 → Aug 16, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6003360A Press brake tool holder Performing Operations; Transporting 46 Expired
US7168356B2 Adjustable length punch assembly Emerging Cross-Sectional Technologies 35 Expired
US5752424A Releasable tool piece punch assembly Emerging Cross-Sectional Technologies 33 Expired
US6467327B1 Press brake tool and tool holder Performing Operations; Transporting 24 Expired
US8418404B2 Window with opening control mechanism Fixed Constructions 19 Active
US6564611B2 Hydraulic press brake tool holder Performing Operations; Transporting 17 Expired
US6557390B2 Press brake assemblies, tool holder apparatuses, and components thereof Performing Operations; Transporting 13 Expired
US6732564B2 Press brake tool and tool holder Performing Operations; Transporting 13 Expired
US6755110B2 Adjustable length punch assembly Emerging Cross-Sectional Technologies 6 Expired
US6119503A Universal die holder assembly for press brakes Human Necessities 4 Expired
US6145367A Workpiece holder for press brake Performing Operations; Transporting 2 Expired
US6523390B2 Hydraulic press brake tool holder General 0 Revoked

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