Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Agglomeration

Agglomeration

US Patent 4680321 · Granted Jul 14, 1987

Assignee

Polytec Gmbh

Inventors

Everett S. Graham (2 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Methods of making sound insulation moldable carpets1980

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly