- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 320
10-year publication summary
|
43
|
44
|
28
|
22
|
20
|
11
|
14
|
20
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1448 |
20 |
| Honeywell International Inc. | 13799 |
16 |
| Ansaldo Energia Switzerland AG | 293 |
12 |
| General Electric Technology GmbH | 1657 |
8 |
| ClearSign Technologies Corporation | 49 |
8 |
| IFP Energies Nouvelles | 2717 |
7 |
| Praxair Technology, Inc. | 1367 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Alstom Technology Ltd | 1196 |
6 |
| Totalenergies Onetech | 536 |
6 |
| Siemens AG | 24990 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
| Linde Aktiengesellschaft | 1600 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| Kawasaki Heavy Industries, Limited | 1524 |
4 |
| Babcock-Hitachi Kabushiki Kaisha | 107 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
4 |
| Gas Technology Institute | 374 |
4 |
| GasTech Engineering LLC, FORMERLY GasTech Engineering Corp. | 6 |
4 |
| Other owners | 179 |