Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Flange spreader

Flange spreader

US Patent D348810 · Granted Jul 19, 1994

Assignee

No assignee recorded.

Inventors

Patrick Johnson (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Methods for production of graphene oxide2023

Shackle assembly for use in lifting an object2020

Tong with a continuous composite belt and methods for making and using same2007

Tong with composite belt and methods for making and using same2005

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly