- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 585
10-year publication summary
|
50
|
51
|
34
|
42
|
45
|
42
|
28
|
55
|
45
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyungdong Navien Co., Ltd. | 566 |
22 |
| Miura Co., Ltd. | 287 |
18 |
| Honeywell International Inc. | 13799 |
16 |
| ebm-papst Landshut GmbH | 97 |
13 |
| Siemens AG | 24990 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
10 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| BDR Thermea Group B.V. | 83 |
9 |
| Bertelli & Partners S.r.l. | 28 |
9 |
| Haier US Appliance Solutions, Inc. | 3178 |
9 |
| Rinnai Corporation | 204 |
9 |
| Ademco Inc. | 1374 |
9 |
| Pittway Sarl | 52 |
9 |
| Air Products and Chemicals, Inc. | 1448 |
8 |
| Fives North American Combustion, Inc. | 45 |
8 |
| Lochinvar, LLC | 102 |
8 |
| ClearSign Technologies Corporation | 49 |
8 |
| ExxonMobil Upstream Research Company | 2525 |
6 |
| Jupiter Oxygen Corporation | 23 |
6 |
| Mitsubishi Power, Ltd. | 1680 |
6 |
| Other owners | 380 |