Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Opening cylinder unit for open-end spinning machines

Opening cylinder unit for open-end spinning machines

US Patent 4939897 · Granted Jul 10, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fiber opening device for separating individual fibers from a fiber sliver1995
Method of producing opening roller rings1991
Method for making card roller rings1990
Opening cylinder for open-end spinning machine1989
Process for treating the edges of a saw-tooth wire1988
Method for treating the edges of a sawtooth wire for the card clothing of textil1986
Opening unit for open-end spinning machines1984
Carding element for a carding machine1984
Beater roll for open-end spinning machines1982
Method of making a beater roll1981
Reclothable beater roll for open end spinning machines1980