- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air
- F23C 7/00 - Combustion apparatus characterised by arrangements for air supply
Patent holdings for IPC class F23C 7/00
Total number of patents in this class: 419
10-year publication summary
|
31
|
33
|
27
|
27
|
22
|
21
|
31
|
17
|
31
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24064 |
19 |
| General Electric Company | 13886 |
16 |
| Webasto SE | 1188 |
14 |
| Honeywell International Inc. | 12776 |
12 |
| Ansaldo Energia Switzerland AG | 270 |
12 |
| Mitsubishi Power, Ltd. | 1829 |
10 |
| Rtx Corporation | 10036 |
10 |
| Alstom Technology Ltd | 1048 |
7 |
| Doosan Babcock Limited | 30 |
6 |
| John Zink Company, LLC | 131 |
6 |
| Pro-Iroda Industries, Inc. | 114 |
6 |
| Rolls-Royce PLC | 3219 |
5 |
| Air Products and Chemicals, Inc. | 1468 |
5 |
| Ceres Intellectual Property Company Limited | 252 |
5 |
| Fives Pillard | 49 |
5 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 444 |
5 |
| Woodward, Inc. | 674 |
4 |
| GE Infrastructure Technology, LLC | 6169 |
4 |
| Siemens Energy Global GmbH & Co. KG | 3320 |
4 |
| Collins Engine Nozzles, Inc. | 287 |
4 |
| Other owners | 260 |