Inventor
DEARDEN CHRISTOPHER
GB27 patents
Patents
27 patentsUS11132891B2Sep 28, 2021
Self-testing fire sensing device
HONEYWELL INT INC18 citations94
US11127284B1Sep 21, 2021
Self-calibrating fire sensing device
HONEYWELL INT INC17 citations94
US11024154B1Jun 1, 2021
Self-testing fire sensing device
HONEYWELL INT INC22 citations93
US11676466B2Jun 13, 2023
Self-calibrating fire sensing device
HONEYWELL INT INC5 citations85
US11232703B1Jan 25, 2022
Verification of visual inspection of a fire control system having self-testing components
HONEYWELL INT INC14 citations85
US11227473B1Jan 18, 2022
Self-testing hazard sensing device
HONEYWELL INT INC9 citations84
US11749097B2Sep 5, 2023
Self-testing fire sensing device
HONEYWELL INT INC2 citations73
US11688276B2Jun 27, 2023
Self-calibrating fire sensing device
HONEYWELL INT INC2 citations73
US11595838B2Feb 28, 2023
Event device maintenance
HONEYWELL INT INC4 citations73
US11790765B1Oct 17, 2023
Smoke detector device with secondary detection chamber and filter
HONEYWELL INT INC2 citations72
US11756400B2Sep 12, 2023
Self-testing hazard sensing device
HONEYWELL INT INC2 citations71
US12347294B2Jul 1, 2025
Self-calibrating fire sensing device
HONEYWELL INT INC0 citations62
US12283175B2Apr 22, 2025
Monitoring an aerosol density level in a fire sensing device
HONEYWELL INT INC0 citations62
US12260740B2Mar 25, 2025
Self-testing fire sensing device
HONEYWELL INT INC0 citations62
US12243411B2Mar 4, 2025
Monitoring a self-testing fire sensing device
HONEYWELL INT INC0 citations62
US12198532B2Jan 14, 2025
Self-testing fire sensing device
HONEYWELL INT INC0 citations62
US11875666B2Jan 16, 2024
Power source arrangements for self-testing alarm systems
HONEYWELL INT INC0 citations62
US11720459B2Aug 8, 2023
Event input device testing
HONEYWELL INT INC0 citations62
US11580848B2Feb 14, 2023
Self-testing fire sensing device
HONEYWELL INT INC0 citations62
US11481297B2Oct 25, 2022
Event input device testing
HONEYWELL INT INC0 citations62
US12469098B2Nov 11, 2025
Validating an event response in an event system
HONEYWELL INT INC0 citations57
US12424069B2Sep 23, 2025
Fire sensing device
HONEYWELL INT INC0 citations57
US12567321B2Mar 3, 2026
Testing a heat detector of a self-testing hazard sensing device
HONEYWELL INT INC0 citations51
US12436078B2Oct 7, 2025
Aspirating smoke detector with test module
HONEYWELL INT INC0 citations51
US11990022B2May 21, 2024
Self-testing duct environment detector
HONEYWELL INT INC0 citations51
US11769396B2Sep 26, 2023
Initiating and monitoring self-test for an alarm system using a mobile device
HONEYWELL INT INC0 citations50
US12431008B2Sep 30, 2025
Performing a self-clean of a fire sensing device
HONEYWELL INT INC0 citations46