- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 637
10-year publication summary
|
54
|
57
|
42
|
36
|
41
|
46
|
32
|
30
|
33
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
23 |
| ClearSign Combustion Corporation | 120 |
21 |
| GE Infrastructure Technology, LLC | 5873 |
18 |
| Miura Co., Ltd. | 287 |
17 |
| Honeywell International Inc. | 13799 |
13 |
| Ademco Inc. | 1374 |
13 |
| OnPoint Technologies, LLC | 56 |
12 |
| Air Products and Chemicals, Inc. | 1448 |
11 |
| IHI Corporation | 3268 |
11 |
| ClearSign Technologies Corporation | 49 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
9 |
| ExxonMobil Upstream Research Company | 2525 |
9 |
| General Electric Technology GmbH | 1657 |
9 |
| UTC Fire & Security Corporation | 139 |
8 |
| General Electric Company | 18133 |
7 |
| Alstom Technology Ltd | 1196 |
7 |
| Gas Turbine Efficiency Sweden AB | 25 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
7 |
| Reductonox Corporation | 12 |
7 |
| Bertelli & Partners S.r.l. | 28 |
6 |
| Other owners | 411 |