- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
Patent holdings for IPC class F23N 5/12
Total number of patents in this class: 170
10-year publication summary
|
19
|
19
|
16
|
13
|
18
|
11
|
9
|
17
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ClearSign Combustion Corporation | 111 |
9 |
| Siemens AG | 24518 |
7 |
| Bertelli & Partners S.r.l. | 28 |
7 |
| Truma Gerätetechnik GmbH & Co. KG | 278 |
7 |
| Pittway Sarl | 74 |
7 |
| ebm-papst Landshut GmbH | 89 |
6 |
| Honeywell Technologies SARL | 31 |
5 |
| ClearSign Technologies Corporation | 52 |
5 |
| Copeland Comfort Control LP | 280 |
5 |
| Honeywell International Inc. | 13531 |
4 |
| Robert Bosch GmbH | 42647 |
4 |
| Intergas Heating Assets B.V. | 41 |
4 |
| Midea Group Co., Ltd. | 4536 |
4 |
| SIT S.p.A. | 104 |
4 |
| BDR Thermea Group B.V. | 141 |
3 |
| Bromic Heating Pty Limited | 17 |
3 |
| Chentronics, LLC | 6 |
3 |
| Idea S.p.A. | 10 |
3 |
| Lennox Industries Inc. | 1121 |
3 |
| Rinnai Corporation | 243 |
3 |
| Other owners | 74 |