Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for preventing air entrapment in a rolled web

Method and apparatus for preventing air entrapment in a rolled web

US Patent 5518201 · Granted May 21, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for producing antireflection-treated surfaces1999
End wall made of material which can be shaped without cutting for a winding film1994
Re-usable transport and packaging device1993
Surface structured film made of thermoplastic and a process to manufacture such1993
Re-usable transport and packaging device1993
Planar substrate with a regularly textured surface on at least one side1993
End wall for a wound roll, exhibiting improved resistance to lateral breaking1993
Process and apparatus for winding a film web1991
Process and apparatus for winding a film web1991
Process and apparatus for winding a film web1991
Process and apparatus for winding a film web1991
Process and apparatus for winding a film web1991