Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Safety lock

Safety lock

US Patent 4593185 · Granted Jun 3, 1986

Assignee

Zeiss Ikon Ag

Inventors

Ingeborg Patzelt (1 patents)
Werner Horn (7 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Bearing unit2020

Bearing unit2019

Grease passage in flanged bearings2016

Ring for a roller2002

Aluminum sheet having improved weldability1984

Process for manufacturing aluminum strip or sheet having improved weldability1982

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly