- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 1/02 - Regulating fuel supply conjointly with air supply
Patent holdings for IPC class F23N 1/02
Total number of patents in this class: 633
10-year publication summary
|
49
|
32
|
39
|
44
|
40
|
28
|
55
|
42
|
48
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyungdong Navien Co., Ltd. | 618 |
23 |
| Miura Co., Ltd. | 291 |
19 |
| Honeywell International Inc. | 13552 |
16 |
| Pittway Sarl | 78 |
16 |
| BDR Thermea Group B.V. | 158 |
15 |
| Siemens AG | 24353 |
13 |
| ebm-papst Landshut GmbH | 90 |
11 |
| Rinnai Corporation | 252 |
11 |
| GE Infrastructure Technology, LLC | 6252 |
11 |
| Fives North American Combustion, Inc. | 45 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4006 |
10 |
| ClearSign Technologies Corporation | 52 |
10 |
| Bertelli & Partners S.r.l. | 28 |
9 |
| Haier US Appliance Solutions, Inc. | 3709 |
9 |
| Resideo LLC | 1306 |
9 |
| Air Products and Chemicals, Inc. | 1449 |
8 |
| Lochinvar, LLC | 113 |
8 |
| Mitsubishi Power, Ltd. | 1791 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8813 |
6 |
| 8 Rivers Capital, LLC | 238 |
6 |
| Other owners | 406 |