- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23N - Regulating or controlling combustion
- F23N 5/00 - Systems for controlling combustion
Patent holdings for IPC class F23N 5/00
Total number of patents in this class: 664
10-year publication summary
|
57
|
42
|
36
|
40
|
45
|
32
|
31
|
34
|
35
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24461 |
22 |
| ClearSign Combustion Corporation | 111 |
19 |
| GE Infrastructure Technology, LLC | 6228 |
19 |
| Miura Co., Ltd. | 286 |
18 |
| IHI Corporation | 3440 |
16 |
| Honeywell International Inc. | 13567 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8735 |
13 |
| Air Products and Chemicals, Inc. | 1424 |
12 |
| Resideo LLC | 1269 |
11 |
| ClearSign Technologies Corporation | 52 |
10 |
| BDR Thermea Group B.V. | 150 |
9 |
| ExxonMobil Upstream Research Company | 2394 |
9 |
| Mitsubishi Power, Ltd. | 1764 |
8 |
| General Electric Company | 13808 |
7 |
| Alstom Technology Ltd | 1101 |
7 |
| Gas Turbine Efficiency Sweden AB | 25 |
7 |
| General Electric Technology GmbH | 1370 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2974 |
7 |
| Bertelli & Partners S.r.l. | 28 |
6 |
| Electric Power Development Co., Ltd. | 72 |
6 |
| Other owners | 438 |