- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23N - Regulating or controlling combustion
- F23N 5/24 - Preventing development of abnormal or undesired conditions, i.e. safety arrangements
Patent holdings for IPC class F23N 5/24
Total number of patents in this class: 644
10-year publication summary
|
72
|
58
|
63
|
56
|
49
|
48
|
50
|
62
|
46
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24565 |
21 |
| Honeywell International Inc. | 14021 |
21 |
| GE Infrastructure Technology, LLC | 6114 |
19 |
| BDR Thermea Group B.V. | 126 |
16 |
| Panasonic Corporation | 20315 |
15 |
| Noritz Corporation | 262 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
11 |
| Siemens Energy Global GmbH & Co. KG | 2829 |
11 |
| Lennox Industries Inc. | 1099 |
10 |
| SIT S.p.A. | 105 |
10 |
| Copeland Comfort Control LP | 273 |
10 |
| Pittway Sarl | 67 |
9 |
| Siemens Energy, Inc. | 1731 |
8 |
| Air Products and Chemicals, Inc. | 1435 |
8 |
| Azbil Corporation | 464 |
8 |
| ebm-papst Landshut GmbH | 95 |
8 |
| Gas Turbine Efficiency Sweden AB | 25 |
7 |
| Rheem Manufacturing Company | 922 |
7 |
| Sumitomo Shi FW Energia Oy | 55 |
7 |
| Ademco Inc. | 1404 |
7 |
| Other owners | 416 |