Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Scroll-type machine

Scroll-type machine

US Patent 4497615 · Granted Feb 5, 1985

Assignee

Copeland Lp

Inventors

Russell W. Griffith (3 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Scroll apparatus control1990

Scroll-type machine with rotation controlling means and specific wrap shape1986

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly