- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 3/00 - Regulating air supply or draught
Patent holdings for IPC class F23N 3/00
Total number of patents in this class: 267
10-year publication summary
|
24
|
19
|
14
|
21
|
22
|
18
|
17
|
17
|
16
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 8 Rivers Capital, LLC | 232 |
6 |
| Air Products and Chemicals, Inc. | 1474 |
5 |
| General Electric Technology GmbH | 1337 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
5 |
| Spider Grills, LLC | 20 |
5 |
| Resideo LLC | 1184 |
5 |
| Siemens AG | 24020 |
4 |
| Kyungdong Navien Co., Ltd. | 642 |
4 |
| Improbed AB | 22 |
4 |
| Carrier Corporation | 3951 |
3 |
| A. o. Smith Corporation | 218 |
3 |
| Degremont | 77 |
3 |
| ExxonMobil Upstream Research Company | 2302 |
3 |
| Field Controls, LLC | 74 |
3 |
| Marathon Petroleum Company LP | 414 |
3 |
| Truma Gerätetechnik GmbH & Co. KG | 287 |
3 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 450 |
3 |
| Cowles Operating Company | 19 |
3 |
| OnPoint Technologies, LLC | 35 |
3 |
| Mitsubishi Power, Ltd. | 1834 |
3 |
| Other owners | 191 |