Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Powder output device

Powder output device

US Patent 9950816 · Granted Apr 24, 2018

Assignee

Unknown

Inventors

Guomin Sun (2 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Ionomer for use in fuel cells and method of making same2008

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly