- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 3/08 - Regulating air supply or draught by power-assisted systems
Patent holdings for IPC class F23N 3/08
Total number of patents in this class: 122
10-year publication summary
|
13
|
9
|
16
|
13
|
8
|
9
|
5
|
3
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Regal Beloit America, Inc. | 850 |
10 |
| Lennox Industries Inc. | 1107 |
5 |
| Rinnai Corporation | 284 |
5 |
| Spider Grills, LLC | 20 |
5 |
| Resideo LLC | 1184 |
5 |
| Trane International Inc. | 1229 |
4 |
| Marathon Petroleum Company LP | 414 |
3 |
| Nidec Motor Corporation | 528 |
3 |
| Rheem Manufacturing Company | 1020 |
3 |
| Biomass Controls PBC | 9 |
3 |
| LG Electronics Inc. | 75818 |
2 |
| Robert Bosch GmbH | 44176 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5259 |
2 |
| Brunswick Corporation | 1481 |
2 |
| ebm-papst Landshut GmbH | 87 |
2 |
| Haier US Appliance Solutions, Inc. | 4041 |
2 |
| Lochinvar, LLC | 113 |
2 |
| Midea Group Co., Ltd. | 5034 |
2 |
| Fire Chief Industries LLC | 6 |
2 |
| Dantherm S.p.A. | 4 |
2 |
| Other owners | 56 |