{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Foam liquid proportioner", "item": "https://www.patentleaderboard.com/patent/4448256"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Foam liquid proportioner

Foam liquid proportioner

US Patent 4448256 · Granted May 15, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fireplace heat exchanger2000
Air control apparatus for a fireplace1999
Air supply system for firefighting apparatus1999
Fireplace heat exchanger1998
Fireplace heat exchanger1996
Positive pressure safety system1993
Air supply system for firefighting apparatus1992
Oil separator1992
Oil separator1992
Portable cutter tool1991
Portable hose reel1990
Water driven fan for firefighting1990