Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Swim ring for an infant

Swim ring for an infant

US Patent 6948991 · Granted Sep 27, 2005

Assignee

Unknown
Unknown

Inventors

Shaofei Zhao (4 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Recovery procedure for carbon oxide electrolyzers2025

Method and apparatus for UAV and UAV controller group membership update2025

Method and apparatus for media session management for service enabler architectu2025

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly