Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431008 | Performing a self-clean of a fire sensing device | Christopher Dearden, Michael Barson, Kamal Raja Ganesan, Vardhaman Babu Jarale, Barath Murugavel | 2025-09-30 |
| 12424069 | Fire sensing device | Daniel D. Ascough, Michael Barson, Christopher Dearden | 2025-09-23 |
| 12347294 | Self-calibrating fire sensing device | Christopher Dearden, Michael Barson | 2025-07-01 |
| 12283175 | Monitoring an aerosol density level in a fire sensing device | Christopher Dearden, Michael Barson | 2025-04-22 |
| 12260740 | Self-testing fire sensing device | Christopher Dearden, Michael Barson | 2025-03-25 |
| 12243411 | Monitoring a self-testing fire sensing device | Michael Barson, Christopher Dearden | 2025-03-04 |
| 12198532 | Self-testing fire sensing device | Scott Lang, Michael Barson, Christopher Dearden | 2025-01-14 |
| 11990022 | Self-testing duct environment detector | Michael Barson, Scott Lang, Christopher Dearden | 2024-05-21 |
| 11972676 | Initiating a fire response at a self-testing fire sensing device | Hariprasad Kozhikkotakathitta Veetil, Himanshu Goyal | 2024-04-30 |
| 11875666 | Power source arrangements for self-testing alarm systems | Michael Barson, Christopher Dearden | 2024-01-16 |
| 11790765 | Smoke detector device with secondary detection chamber and filter | Michael Barson, Christopher Dearden | 2023-10-17 |
| 11769396 | Initiating and monitoring self-test for an alarm system using a mobile device | Hariprasad Kozhikkotakathitta Veetil, Michael Barson, Christopher Dearden | 2023-09-26 |
| 11756400 | Self-testing hazard sensing device | Bruce R. Griffith, Dale H. Johnson, Christopher Dearden, Michael Barson | 2023-09-12 |
| 11749097 | Self-testing fire sensing device | Christopher Dearden, Michael Barson | 2023-09-05 |
| 11720459 | Event input device testing | Michael Barson, Christopher Dearden | 2023-08-08 |
| 11688276 | Self-calibrating fire sensing device | Michael Barson, Christopher Dearden | 2023-06-27 |
| 11676466 | Self-calibrating fire sensing device | Christopher Dearden, Michael Barson | 2023-06-13 |
| 11595838 | Event device maintenance | Hariprasad Kozhikkotakathitta Veetil, Michael Barson, Christopher Dearden | 2023-02-28 |
| 11580848 | Self-testing fire sensing device | Scott Lang, Michael Barson, Christopher Dearden | 2023-02-14 |
| 11481297 | Event input device testing | Michael Barson, Christopher Dearden | 2022-10-25 |
| 11232703 | Verification of visual inspection of a fire control system having self-testing components | Michael Barson, Christopher Dearden | 2022-01-25 |
| 11227473 | Self-testing hazard sensing device | Bruce R. Griffith, Dale H. Johnson, Christopher Dearden, Michael Barson | 2022-01-18 |
| 11132891 | Self-testing fire sensing device | Christopher Dearden, Michael Barson | 2021-09-28 |
| 11127284 | Self-calibrating fire sensing device | Michael Barson, Christopher Dearden | 2021-09-21 |
| 11080979 | Alarming system for multi-unit buildings | Michael Barson, Jeffrey Alan Doggett | 2021-08-03 |