Inventor · Uzwil, CH

Willi Wetzel

6Patents
4h-index
5Co-inventors
46Inventor score

Filing activity: Dec 7, 1988 → Nov 9, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US4979887A Pellet mill Performing Operations; Transporting 9 Expired
US5251545A Method for slip regulation of a pellet mill and apparatus for carrying out the process Emerging Cross-Sectional Technologies 5 Expired
US5714187A Screw extruder and process for controlling the quality of feedstuff products Performing Operations; Transporting 5 Expired
US7147363B1 Device for thermal treatment of flour for hygenic purposes Human Necessities 5 Expired
US5152215A Apparatus for slip regulation of a pellet mill Emerging Cross-Sectional Technologies 4 Expired
US7150892B2 Method of thermally treating flour for hygienic purposes Human Necessities 1 Expired

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