Inventor · Winterthur, CH

Kurt Schefer

14Patents
5h-index
14Co-inventors
63Inventor score

Filing activity: Mar 7, 1979 → Dec 21, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4298171A Winding apparatus for endless filaments having an automatic bobbin tube changer Performing Operations; Transporting 18 Expired
US5318232A Method and apparatus for transferring a thread from a full package to an empty tube Performing Operations; Transporting 7 Expired
US4309000A Doffer mechanisms Performing Operations; Transporting 7 Expired
US4598876A Winding machine for filament packages equipped with package screening means Performing Operations; Transporting 5 Expired
US4739940A Method and apparatus of forming an overwound transfer tail Performing Operations; Transporting 5 Expired
US4497450A Filament winding machine Performing Operations; Transporting 4 Expired
US4641793A Thread winding machine and method of performing automatic changeover of winding of a thread Performing Operations; Transporting 3 Expired
US4709866A Thread guiding and screening element for use in filament winder Performing Operations; Transporting 3 Expired
US4739694A Apparatus for performing automatic changeover of winding of a thread in a thread winding machine and including a piston and cylinder unit for a thread winding machine Performing Operations; Transporting 3 Expired
US4741485A Winder layout Performing Operations; Transporting 2 Expired
US4762284A Enclosures for high-speed winders Performing Operations; Transporting 1 Expired
US4213573A Air coupling Emerging Cross-Sectional Technologies 1 Expired
US6059217A Winding apparatus for endless threads Performing Operations; Transporting 1 Expired
US4828190A Pivot mechanism for a winder chuck Performing Operations; Transporting 0 Expired

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