Inventor · Zürich, CH

Hans Wampfler

10Patents
6h-index
9Co-inventors
55Inventor score

Filing activity: Feb 7, 1989 → Jul 4, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6771365B1 Method and device for detecting foreign matter in a fibre assembly which is moved lengthwise Physics 19 Expired
US5414520A Process and device for detecting impurities in a textile test material Performing Operations; Transporting 14 Expired
US4948260A Method and apparatus for examining hairiness of yarn Physics 13 Expired
US5030841A Process and device for measuring the twist of a running, elongate test body Performing Operations; Transporting 10 Expired
US5654554A Method and apparatus for the recording of properties on elongate bodies Physics 7 Expired
US6219135A Device for optically recording, digitally, a parameter on a longitudinally moved thread-type material Physics 6 Expired
US5636803A Apparatus for checking the winding quality of yarn bobbins and use of the apparatus on a winding or spinning machine Performing Operations; Transporting 4 Expired
US6912048B2 Method and device for identifying foreign bodies in a textile material Physics 3 Expired
US5521395A Method and apparatus for determining the structure of yarns in the region of their surface Physics 2 Expired
US6944323B1 Device for detecting foreign substances in a thread Physics 2 Expired

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