Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Suspended ceilings

Suspended ceilings

US Patent 4671033 · Granted Jun 9, 1987

Assignee

No assignee recorded.

Inventors

Ian Smith (10 patents)

View full patent text on Google Patents →

More Patents by These Inventors

CPR compression device with cooling system and battery removal detection2025

Collapsible well perforating apparatus2001

Pipeline pigs2000

Bearing assembly for conveyors1991

Conveyor bearing assembly1991

Bearing assembly for conveyors1991

Assembly and installation of pipes1987

Ceiling panel1987

Flash pyrolysis of agglomerating coal1982

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly