Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Mobile vacuum loader

Mobile vacuum loader

US Patent 4227893 · Granted Oct 14, 1980

Assignee

Peabody Myers

Inventors

Roland E. Shaddock (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Jet nozzles1989

Method of manufacturing jet nozzles1988

Sewer and catch basin cleaning system1986

Mobile non-polluting cleaning and processing apparatus and method1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly