Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for the sealing of a port or fitment on a thermoplastic film

Device for the sealing of a port or fitment on a thermoplastic film

US Patent 4902269 · Granted Feb 20, 1990

Estimated economic value: $9,802,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tubular element for liquid drawing and method for making the same2002
Vertical dancer with constant torque1992
Apparatus for positioning a port in an aperture in a web of film1991
Automatic foil change unit1991
Device for positioning fitments in a perforated film1991
Device for positioning fitments in a perforated film1991
Device for sealing and perforating a thermoplastic film1990
Device for sealing and perforating a thermoplastic film1990
Apparatus for cleaning and/or decontaminating a continuous strip of thermoplasts1990
Guiding device for folded film1990
Guiding device for folded film1990
Method of sealing an article via radio frequency1990