Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Door operating assembly

Door operating assembly

US Patent 4653227 · Granted Mar 31, 1987

Assignee

Vapor Technologies

Inventors

Unknown
Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Optical pressure switch, door operating system and method2012

System for controlling the kneeling operation of air suspension equipped transit1982

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly