Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Tube connector

Tube connector

US Patent 4421346 · Granted Dec 20, 1983

Assignee

No assignee recorded.

Inventors

Alfred Seiler (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for monitoring rehydration kinetics of dehydrated products1996

Selective herbicidal composition1991

1,2,4-triazolo[1,5-A]pyridi midin-2-ylsulfonyl-3-aminothiophene-2-carboxylic est1991

Pump/exchanger device1981

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly