Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Plastic capped lock nut

Plastic capped lock nut

US Patent 4993902 · Granted Feb 19, 1991

Assignee

Maclean-Fogg

Inventors

Keith Hellon (11 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Ball joint link1997

Self-adjusting shim1996

Ball joint assembly1996

Locking member and stabilizer bar/locking member combination1994

Vehicle stabilizer bar end link1992

Locking member and stabilizer bar/locking member combination1992

Backward starting locknut1990

Free standing base mold1986

Expandable modular storage system1986

Container for handling, transportation and storage of microscope slides1986

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly