- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 1/04 - Regulating fuel supply conjointly with air supply and with draught
Patent holdings for IPC class F23N 1/04
Total number of patents in this class: 36
10-year publication summary
|
2
|
1
|
5
|
6
|
2
|
3
|
2
|
6
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 14022 |
3 |
| Kyungdong Navien Co., Ltd. | 593 |
3 |
| Beckett Gas, Inc. | 45 |
2 |
| ebm-papst Landshut GmbH | 95 |
2 |
| Biomass Controls PBC | 9 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3724 |
1 |
| Air Products and Chemicals, Inc. | 1436 |
1 |
| Andritz Oy | 281 |
1 |
| Bertelli & Partners S.r.l. | 28 |
1 |
| Clearstak LLC | 3 |
1 |
| DAS Environmental Expert GmbH | 19 |
1 |
| Fives North American Combustion, Inc. | 47 |
1 |
| Glatt Ingenieurtechnik GmbH | 39 |
1 |
| Haier US Appliance Solutions, Inc. | 3381 |
1 |
| Howden Alphair Ventilating Systems Inc. | 5 |
1 |
| IHI Corporation | 3366 |
1 |
| IQ Energy Inc. | 13 |
1 |
| Miura Co., Ltd. | 290 |
1 |
| Noritz Corporation | 261 |
1 |
| REM Technology Inc. | 40 |
1 |
| Other owners | 9 |