Inventor
MANI VIJAYAKUMAR
IN28 patents
⚠️ This page may combine multiple inventors who share the name “MANI VIJAYAKUMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLAGE LOCK CO LLC
27 patentsUS10738506B2Aug 11, 2020
Modular clutching mechanism
SCHLAGE LOCK CO LLC14 citations91
US9340998B2May 17, 2016
Electronic lock with movable in-line locking lug
SCHLAGE LOCK CO LLC17 citations91
US11002055B2May 11, 2021
Door control armature assemblies
SCHLAGE LOCK CO LLC10 citations82
US10145143B1Dec 4, 2018
Lever return mechanism using magnets
SCHLAGE LOCK CO LLC11 citations82
US9834959B2Dec 5, 2017
Electronic lock with movable in-line locking lug
SCHLAGE LOCK CO LLC8 citations82
US11443572B2Sep 13, 2022
Electronic lock with clutch
SCHLAGE LOCK CO LLC11 citations80
US10815690B2Oct 27, 2020
Lever return mechanism using magnets
SCHLAGE LOCK CO LLC6 citations80
US11156025B2Oct 26, 2021
Latchbolt damping module
SCHLAGE LOCK CO LLC2 citations72
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
US10954694B2Mar 23, 2021
Simplified lever handing apparatus
SCHLAGE LOCK CO LLC2 citations71
US10557288B2Feb 11, 2020
Hoop lock with bent foot engagement
SCHLAGE LOCK CO LLC6 citations71
US10392836B2Aug 27, 2019
Electronic lock with movable in-line locking lug
SCHLAGE LOCK CO LLC3 citations71
US9790713B2Oct 17, 2017
Simplified lever handing apparatus
SCHLAGE LOCK CO LLC3 citations71
US11739562B2Aug 29, 2023
Modular clutching mechanism
SCHLAGE LOCK CO LLC2 citations70
US11255109B2Feb 22, 2022
Exit device systems and methods
SCHLAGE LOCK CO LLC2 citations70
US11519212B2Dec 6, 2022
Modular add-on devices for door closers
SCHLAGE LOCK CO LLC4 citations69
US11168504B2Nov 9, 2021
Door operator hold-open armature assembly
SCHLAGE LOCK CO LLC2 citations66
US11661775B2May 30, 2023
Latchbolt damping module
SCHLAGE LOCK CO LLC0 citations62
US12467277B2Nov 11, 2025
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations61
US12385288B2Aug 12, 2025
Simplified lever handing apparatus
SCHLAGE LOCK CO LLC0 citations61
US12012775B2Jun 18, 2024
Electronic lock with movable in-line locking lug
SCHLAGE LOCK CO LLC0 citations61
US12203290B2Jan 21, 2025
Modular clutching mechanism
SCHLAGE LOCK CO LLC0 citations59
US12071806B2Aug 27, 2024
Modular hold-open device for door closers
SCHLAGE LOCK CO LLC0 citations59
US11732500B2Aug 22, 2023
Lever return mechanism using magnets
SCHLAGE LOCK CO LLC0 citations59
US12247414B2Mar 11, 2025
Lever handing selection
SCHLAGE LOCK CO LLC0 citations51
US12560015B2Feb 24, 2026
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations50