Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States Inventor 500

Home › Leak resistant plug valve

Leak resistant plug valve

US Patent 5232009 · Granted Aug 3, 1993

Assignee

Eclipse

Inventors

Steven C. Jankowski (3 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Multiple virtualized operating environments within a VPN appliance2011

Leak resistant plug valve1994

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

Last updated: Dec 31, 2025 · Updated quarterly