Inventor
LAWHON DUSTIN
US16 patents
⚠️ This page may combine multiple inventors who share the name “LAWHON DUSTIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC
9 patentsUS11417200B2Aug 16, 2022
Door system with active monitoring
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC15 citations85
US11532192B2Dec 20, 2022
Door system with authentication and activation
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC12 citations81
US11756410B2Sep 12, 2023
Door system with active monitoring
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations62
US12411506B2Sep 9, 2025
Door closer with power close
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations61
US11829164B2Nov 28, 2023
Door closer with power close
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations61
US12071802B2Aug 27, 2024
Door system with improved installation, set-up, and cloning
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations59
US12031373B2Jul 9, 2024
Door system with improved installation, set-up, and cloning
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations59
US11549302B2Jan 10, 2023
Door system with improved installation, set-up, and cloning
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations59
US11847864B2Dec 19, 2023
Door system with authentication and activation
ASSA ABLOY ACCESS & DOOR CONTROLS GROUP INC0 citations58
YALE SECURITY INC
7 patentsUS10180023B2Jan 15, 2019
Apparatus and method for control of spring force in a door closer or operator
YALE SECURITY INC26 citations93
US9695620B2Jul 4, 2017
Apparatus and method for rotating tube adjustment and visually indicating spring force in a door operator or closer
YALE SECURITY INC32 citations93
US10253540B2Apr 9, 2019
Apparatus for connecting door closer or operator to swing door
YALE SECURITY INC17 citations91
US9514583B2Dec 6, 2016
Controller for a door operator
YALE SECURITY INC31 citations90
US10030425B2Jul 24, 2018
Apparatus for providing constant torque output from a door closer or operator
YALE SECURITY INC17 citations84
US10024094B2Jul 17, 2018
Apparatus for connecting door closer or operator to swing door
YALE SECURITY INC15 citations81
US10372106B2Aug 6, 2019
Methods and apparatus for increasing the range of digital inputs and outputs on a door operator or closer
YALE SECURITY INC1 citations61