Inventor
LEHNER JR JACK R
US30 patents
⚠️ This page may combine multiple inventors who share the name “LEHNER JR JACK R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLAGE LOCK CO LLC
29 patentsUS10344502B2Jul 9, 2019
User sensing exit device
SCHLAGE LOCK CO LLC20 citations91
US11118377B2Sep 14, 2021
Dual function security/fire locking mechanism for fire rated devices
SCHLAGE LOCK CO LLC8 citations84
US10577832B2Mar 3, 2020
Dual function security/fire locking mechanism for fire rated devices
SCHLAGE LOCK CO LLC7 citations84
US10968664B2Apr 6, 2021
Exit device systems and methods
SCHLAGE LOCK CO LLC6 citations82
US10745942B2Aug 18, 2020
Dogging security indicator for exit device
SCHLAGE LOCK CO LLC8 citations81
US10174525B2Jan 8, 2019
Exit device with over-travel mechanism
SCHLAGE LOCK CO LLC9 citations81
US10072444B2Sep 11, 2018
Exit device force adjustment mechanisms
SCHLAGE LOCK CO LLC11 citations81
US12234673B2Feb 25, 2025
Dual function security/fire locking mechanism for fire rated devices
SCHLAGE LOCK CO LLC1 citations74
US11692373B2Jul 4, 2023
Dual function security/fire locking mechanism for fire rated devices
SCHLAGE LOCK CO LLC1 citations73
US10697227B2Jun 30, 2020
Keyed removable mullion
SCHLAGE LOCK CO LLC2 citations71
US10724270B2Jul 28, 2020
Exit trim with simplified lever handing
SCHLAGE LOCK CO LLC2 citations68
USD959234SAug 2, 2022
Door pull
SCHLAGE LOCK CO LLC3 citations65
US12516548B2Jan 6, 2026
Exit device with over-travel mechanism
SCHLAGE LOCK CO LLC0 citations62
US11982109B2May 14, 2024
Exit device force adjustment mechanisms
SCHLAGE LOCK CO LLC0 citations62
US11585123B2Feb 21, 2023
Exit device with over-travel mechanism
SCHLAGE LOCK CO LLC0 citations62
US12448820B2Oct 21, 2025
Exit device systems and methods
SCHLAGE LOCK CO LLC0 citations61
US11891839B2Feb 6, 2024
Exit device systems and methods
SCHLAGE LOCK CO LLC0 citations59
US11473342B2Oct 18, 2022
User sensing exit device
SCHLAGE LOCK CO LLC0 citations59
US11459798B2Oct 4, 2022
Exit device systems and methods
SCHLAGE LOCK CO LLC0 citations59
US12281493B2Apr 22, 2025
Exit trim with simplified lever handing
SCHLAGE LOCK CO LLC0 citations58
US11739559B2Aug 29, 2023
Exit trim with simplified lever handing
SCHLAGE LOCK CO LLC0 citations58
US12297664B2May 13, 2025
Exit device with remote trim input
SCHLAGE LOCK CO LLC0 citations57
US12241280B2Mar 4, 2025
Exit device assembly with integrated access control
SCHLAGE LOCK CO LLC1 citations57
US11306512B2Apr 19, 2022
Exit device with remote trim input
SCHLAGE LOCK CO LLC0 citations57
US12180751B2Dec 31, 2024
Electric latch retraction with power interrupt
SCHLAGE LOCK CO LLC0 citations55
USD1095210SSep 30, 2025
Exit device cover
SCHLAGE LOCK CO LLC0 citations53
US12503882B2Dec 23, 2025
Exit device night latch adapter
SCHLAGE LOCK CO LLC0 citations51
US11274470B2Mar 15, 2022
Motorized trim
SCHLAGE LOCK CO LLC0 citations48
US12555446B2Feb 17, 2026
Audible indicator for access control systems
SCHLAGE LOCK CO LLC0 citations43