Inventor

Gunter Stephan

46Patents
9h-index
43Co-inventors
75Inventor score

Filing activity: Oct 9, 1974 → Feb 8, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5816155A Sheet guiding device for printing presses Performing Operations; Transporting 35 Expired
US5687964A Device for contactless guidance of sheetlike material Performing Operations; Transporting 28 Expired
US5171571A Effervescent tablet Human Necessities 14 Expired
US6361041B1 Air cushion guide for sheet or web-formed material Performing Operations; Transporting 12 Expired
US6089156A Turning device for a printing press Performing Operations; Transporting 11 Expired
US5787810A Sheet-guiding system for a printing press Performing Operations; Transporting 11 Expired
US6308620A Printing press having a multiply-positioned and multi-functioned sheet guiding cylinder Performing Operations; Transporting 10 Expired
US5718176A Method and device for pneumatically braking sheets in a delivery of a sheet-fed rotary printing press Performing Operations; Transporting 10 Expired
US5546858A Printing press Performing Operations; Transporting 10 Expired
US5941520A Contact-free sheet guiding device in a sheet-fed printing press Performing Operations; Transporting 9 Expired
US6378425B1 Sheet-guiding device for printing presses Performing Operations; Transporting 9 Expired
US6581928B1 Sheet guide device for sheet-processing machine Performing Operations; Transporting 8 Expired
US5701819A Sheet transfer drum Performing Operations; Transporting 8 Expired
US5284589A Process for the treatment of effluent Emerging Cross-Sectional Technologies 7 Expired
US5836247A Contact-free sheet guidance device in a sheet-fed printing press Performing Operations; Transporting 7 Expired
US6612236B2 Sheet transport cylinder Performing Operations; Transporting 6 Expired
US5706726A Device for achieving a flawless application of printing stock in a printing press Performing Operations; Transporting 6 Expired
US5669603A Method and device for guiding a sheet with a pneumatic sheet floatation guide Performing Operations; Transporting 6 Expired
US6279898A Air cushion guide and method of adjusting a flotation height Performing Operations; Transporting 6 Expired
US6457407B2 Method and apparatus for adjusting cylinders in a printing machine Performing Operations; Transporting 5 Expired
US6612235B2 Sheet guiding device Performing Operations; Transporting 5 Expired
US6662722B2 Machine for processing sheets having spring mounted throttled air nozzles Performing Operations; Transporting 5 Expired
US7287750B2 Machine for processing printing material sheets, in particular sheet-fed printing press, and method of operating the machine Performing Operations; Transporting 4 Expired
US6722277B2 Device for turning sheet material, printing unit, and multicolor rotary printing press Performing Operations; Transporting 4 Expired
US4421601A Water-insoluble azo-purimidine pigments and their use in coloring substrates Chemistry; Metallurgy 4 Expired

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