Inventor
HURLBERT DAVID J
US14 patents
⚠️ This page may combine multiple inventors who share the name “HURLBERT DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLAGE LOCK CO LLC
12 patentsUS11377872B2Jul 5, 2022
Cylindrical lock with a clutching and a non-clutching configuration
SCHLAGE LOCK CO LLC8 citations85
US11078686B2Aug 3, 2021
Modular cylindrical lockset
SCHLAGE LOCK CO LLC6 citations80
US10301843B2May 28, 2019
Status-indicating cylindrical lock assembly
SCHLAGE LOCK CO LLC9 citations80
US12049770B2Jul 30, 2024
Modular cylindrical lockset
SCHLAGE LOCK CO LLC2 citations70
US11920379B2Mar 5, 2024
Modular cylindrical lockset
SCHLAGE LOCK CO LLC2 citations70
US11035149B2Jun 15, 2021
Modular cylindrical lockset
SCHLAGE LOCK CO LLC2 citations70
US11306506B2Apr 19, 2022
Status-indicating cylindrical lock assembly
SCHLAGE LOCK CO LLC2 citations69
US11834864B2Dec 5, 2023
Handle retention
SCHLAGE LOCK CO LLC2 citations68
US12264496B2Apr 1, 2025
Cylindrical lock with a clutching and a non-clutching configuration
SCHLAGE LOCK CO LLC1 citations63
US11905735B2Feb 20, 2024
Key-operable lockset
SCHLAGE LOCK CO LLC1 citations60
US11965356B2Apr 23, 2024
Status-indicating cylindrical lock assembly
SCHLAGE LOCK CO LLC0 citations59
US12281492B2Apr 22, 2025
Handle retention
SCHLAGE LOCK CO LLC0 citations57