Skip to content

Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Universities Inventors Cities States Technologies Top Patents Inventor 500

Select ranking year

Home › Folding ramp

Folding ramp

US Patent 6009587 · Granted Jan 4, 2000

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

Data from USPTO via PatentsView — About — Embed & Press Kit — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly