- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air
- F23C 6/04 - Combustion apparatus characterised by the combination of two or more combustion chambers in series connection
Patent holdings for IPC class F23C 6/04
Total number of patents in this class: 335
10-year publication summary
|
42
|
25
|
22
|
19
|
11
|
13
|
19
|
15
|
14
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1447 |
22 |
| Honeywell International Inc. | 13561 |
15 |
| Ansaldo Energia Switzerland AG | 273 |
12 |
| ClearSign Technologies Corporation | 52 |
9 |
| IFP Energies Nouvelles | 2959 |
7 |
| Praxair Technology, Inc. | 1283 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
6 |
| Alstom Technology Ltd | 1094 |
6 |
| General Electric Technology GmbH | 1372 |
6 |
| Totalenergies Onetech | 1377 |
6 |
| Linde Aktiengesellschaft | 1496 |
5 |
| Saudi Arabian Oil Company | 13409 |
5 |
| Selas Heat Technology Company LLC | 43 |
5 |
| GE Infrastructure Technology, LLC | 6250 |
5 |
| Kawasaki Heavy Industries, Limited | 1659 |
4 |
| Babcock-Hitachi Kabushiki Kaisha | 102 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
4 |
| Gas Technology Institute | 348 |
4 |
| GasTech Engineering LLC, FORMERLY GasTech Engineering Corp. | 6 |
4 |
| IHI Corporation | 3452 |
4 |
| Other owners | 195 |