Inventor · Wuppertal, DE

Friedhelm Lenz

7Patents
4h-index
4Co-inventors
46Inventor score

Filing activity: Aug 14, 1985 → Oct 31, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4659027A Method and apparatus for winding textile yarns Performing Operations; Transporting 12 Expired
US6065712A Method and apparatus for winding a yarn into a package Performing Operations; Transporting 11 Expired
US4913363A Method for winding textile yarns Performing Operations; Transporting 8 Expired
US6405966B1 Process and cross-winding device for laying a thread Performing Operations; Transporting 5 Expired
US6186435A Method and apparatus for winding a yarn into a package Performing Operations; Transporting 4 Expired
US6430912B1 Yarn false twist texturing apparatus Textiles; Paper 3 Expired
US6523774B2 Method and apparatus for winding a continuously advancing yarn Performing Operations; Transporting 2 Expired

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