Patent assignee · CH · COMPANY

Evolution SA

7Patents
0Active
7Granted
24Portfolio score

Filing activity: Oct 22, 1974 → Nov 14, 1979

Most-cited patents

PatentTitleAreaCited byStatus
US4075445A Thread monitoring switch for textile machines having magnet biasing lever to prevent any annoying thread flutter Performing Operations; Transporting 12 Expired
US3986330A Method of and apparatus for twisting a yarn Textiles; Paper 9 Expired
US4129979A Apparatus for twisting a yarn Textiles; Paper 6 Expired
US3976261A Belt-type thread-supply apparatus Performing Operations; Transporting 4 Expired
US4067507A Filament-winding mechanism Performing Operations; Transporting 1 Expired
US4276739A Electronically controlled system for making a multiply effect yarn Textiles; Paper 1 Expired
US3962857A Machine for simultaneously twisting a plurality of yarns Textiles; Paper 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.