Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pump dispenser with sealing plunger

Pump dispenser with sealing plunger

US Patent 4355962 · Granted Oct 26, 1982

Estimated economic value: $82,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Dispensing head1986
Down-locking dispensing pump with side-orificed, product-mixing ball hold-down1983
Size-compensating collar in a pump dispenser1983
Down-locking pump1983
Vent-sealing, down-locked pump dispenser1982
Uplocking dispensing pump1982