Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hierarchical cylinder lock systems

Hierarchical cylinder lock systems

US Patent 7797973 · Granted Sep 21, 2010

Estimated economic value: $6,777,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cylinder lock with multiple, supplemental locking elements and associated key2025
Key and key blanks operable in vertically and horizontally oriented keyways2024
Key and key blanks operable in vertically and horizontally oriented keyways2024
Lock cylinder and key with multiple, supplemental locking elements2023
Operating a lock cylinder with multiple, supplemental locking elements2022
Electromechanical cylinder lock2018
Flat-bladed key2017
Cylinder lock including multiple cooperating sidebars for controlling the lock2016
Cylinder lock configured to be operated by a flat-bladed key2016
Cylinder lock with internal slider and key therefore2016
Key with movable element disposed within key blade2015
Key with movable element disposed within key blade2015