Testing a heat detector of a self-testing hazard sensing device
US-12567321-B2 · Mar 3, 2026 · US
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Dearden Christopher patents
Dearden Christopher is listed as an inventor on 62 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dearden Christopher |
| Total patents | 62 |
| First publication | Mar 4, 2021 |
| Latest publication | Mar 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Event notification device
US-2026045153-A1 · Feb 12, 2026 · US
Aspirating smoke detector with test module
US-2026029322-A1 · Jan 29, 2026 · US
Fire sensing device
US-2026011232-A1 · Jan 8, 2026 · US
Validating an event response in an event system
US-12469098-B2 · Nov 11, 2025 · US
System functionality settings based on a person of interest in an event detection system
US-2025329246-A1 · Oct 23, 2025 · US
Aspirating smoke detector with test module
US-12436078-B2 · Oct 7, 2025 · US
Performing a self-clean of a fire sensing device
US-12431008-B2 · Sep 30, 2025 · US
Fire sensing device
US-12424069-B2 · Sep 23, 2025 · US
Battery analysis in an event detection system
US-2025264542-A1 · Aug 21, 2025 · US
Recent patents
Latest publications not already listed above.
Self-testing fire sensing device
US-2025246066-A1 · Jul 31, 2025 · US
Self-calibrating fire sensing device
US-12347294-B2 · Jul 1, 2025 · US
Monitoring a self-testing fire sensing device
US-2025201107-A1 · Jun 19, 2025 · US
Self-testing fire sensing device
US-2025148904-A1 · May 8, 2025 · US
Monitoring an aerosol density level in a fire sensing device
US-12283175-B2 · Apr 22, 2025 · US
Calibration of a heating element in a fire sensing device
US-2025108243-A1 · Apr 3, 2025 · US
Self-testing fire sensing device
US-12260740-B2 · Mar 25, 2025 · US
Monitoring a self-testing fire sensing device
US-12243411-B2 · Mar 4, 2025 · US
Monitoring an aerosol density level in a fire sensing device
US-2025022361-A1 · Jan 16, 2025 · US
Self-testing fire sensing device
US-12198532-B2 · Jan 14, 2025 · US
Monitoring a self-testing fire sensing device
US-2025006040-A1 · Jan 2, 2025 · US
Fire sensing device
US-2024404383-A1 · Dec 5, 2024 · US
Self-testing duct environment detector
US-2024346917-A1 · Oct 17, 2024 · US
Validating an event response in an event system
US-2024273662-A1 · Aug 15, 2024 · US
Power source arrangements for self-testing alarm systems
US-2024273998-A1 · Aug 15, 2024 · US
Self-testing duct environment detector
US-11990022-B2 · May 21, 2024 · US
Aspirating smoke detector with test module
US-2024053243-A1 · Feb 15, 2024 · US
Self-testing fire sensing device
US-2024038054-A1 · Feb 1, 2024 · US
Performing a self-clean of a fire sensing device
US-2024021069-A1 · Jan 18, 2024 · US
Power source arrangements for self-testing alarm systems
US-11875666-B2 · Jan 16, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Honeywell Int Inc | 62 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G08B29/145 | 45 |
| G08B17/107 | 35 |
| G08B17/10 | 33 |
| G08B29/043 | 21 |
| G08B17/117 | 13 |