Inventor
EICKHOFF BRIAN C
US37 patents
Patents
37 patentsUS10648208B2May 12, 2020
Door closer communication
SCHLAGE LOCK CO LLC13 citations94
US10236801B2Mar 19, 2019
Door closer system
SCHLAGE LOCK CO LLC25 citations91
US10316568B2Jun 11, 2019
Power boost module for a door closer
SCHLAGE LOCK CO LLC16 citations85
US11124997B2Sep 21, 2021
Door closer communication
SCHLAGE LOCK CO LLC8 citations84
US10844644B2Nov 24, 2020
Power boost module for a door closer
SCHLAGE LOCK CO LLC10 citations84
US11193306B2Dec 7, 2021
Electronic key reader for mechanical keys
SCHLAGE LOCK CO LLC5 citations82
US11002055B2May 11, 2021
Door control armature assemblies
SCHLAGE LOCK CO LLC10 citations82
US11414892B2Aug 16, 2022
Exit device trim locking
SCHLAGE LOCK CO LLC7 citations81
US10385601B2Aug 20, 2019
Door actuator
SCHLAGE LOCK CO LLC3 citations73
US10047551B2Aug 14, 2018
Door closer communication
SCHLAGE LOCK CO LLC3 citations73
US11982105B2May 14, 2024
Electric latch mechanism
SCHLAGE LOCK CO LLC2 citations72
US11713592B2Aug 1, 2023
Electronic key reader for mechanical keys
SCHLAGE LOCK CO LLC2 citations71
US11661782B2May 30, 2023
Door control armature assemblies
SCHLAGE LOCK CO LLC4 citations71
US11220838B2Jan 11, 2022
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC2 citations71
US10982479B2Apr 20, 2021
Door closer adjustment mechanism
SCHLAGE LOCK CO LLC5 citations71
US11846133B2Dec 19, 2023
Power boost module
SCHLAGE LOCK CO LLC2 citations70
US11142939B2Oct 12, 2021
Power boost module
SCHLAGE LOCK CO LLC4 citations70
US11168504B2Nov 9, 2021
Door operator hold-open armature assembly
SCHLAGE LOCK CO LLC2 citations66
US11062541B2Jul 13, 2021
Automated architectural specification generation and hardware identification
SCHLAGE LOCK CO LLC3 citations65
US11761234B2Sep 19, 2023
Internet of things lock module
SCHLAGE LOCK CO LLC0 citations62
US11594088B2Feb 28, 2023
Access control for emergency responders
SCHLAGE LOCK CO LLC1 citations62
US11393270B2Jul 19, 2022
Electrochromic film for a user interface display for access control
SCHLAGE LOCK CO LLC0 citations62
US11377873B2Jul 5, 2022
Electric latch mechanism
SCHLAGE LOCK CO LLC0 citations62
US10937260B1Mar 2, 2021
Electrochromic film for a user interface display for access control
SCHLAGE LOCK CO LLC0 citations62
US12467277B2Nov 11, 2025
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations61
US12247415B2Mar 11, 2025
Electronic key reader for mechanical keys
SCHLAGE LOCK CO LLC0 citations61
US12136305B2Nov 5, 2024
Secure container for package delivery
SCHLAGE LOCK CO LLC0 citations61
US11572727B2Feb 7, 2023
Door closer adjustment mechanism
SCHLAGE LOCK CO LLC0 citations61
US11551499B2Jan 10, 2023
Secure container for package delivery
SCHLAGE LOCK CO LLC0 citations61
US10937261B2Mar 2, 2021
Secure container for package delivery
SCHLAGE LOCK CO LLC0 citations61
US11581830B2Feb 14, 2023
Door closer system
SCHLAGE LOCK CO LLC0 citations58
US10487570B1Nov 26, 2019
Door with interior protective coating
SCHLAGE LOCK CO LLC1 citations58
US12293619B2May 6, 2025
Automated architectural specification generation and hardware identification
SCHLAGE LOCK CO LLC0 citations55
US10794085B2Oct 6, 2020
Internet of things lock module
SCHLAGE LOCK CO LLC0 citations52
US12560015B2Feb 24, 2026
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations50
US12577821B2Mar 17, 2026
Door operator armature connections
SCHLAGE LOCK CO LLC0 citations47
US11397117B2Jul 26, 2022
Door closer diagnostics system
SCHLAGE LOCK CO LLC0 citations44