Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Float valve apparatus

Float valve apparatus

US Patent 8100153 · Granted Jan 24, 2012

Assignee

Piolax

Inventors

Nobuhiro Hirata (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Over-fueling prevention valve2024

Overfill prevention valve2015

Fuel cut-off valve2013

Negative pressure cut valve1996

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly