- 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: 417
10-year publication summary
|
32
|
29
|
31
|
26
|
27
|
19
|
21
|
29
|
16
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24352 |
24 |
| General Electric Company | 13858 |
17 |
| Webasto SE | 1172 |
14 |
| Ansaldo Energia Switzerland AG | 273 |
12 |
| Honeywell International Inc. | 13561 |
11 |
| Alstom Technology Ltd | 1094 |
11 |
| Mitsubishi Power, Ltd. | 1788 |
10 |
| Rtx Corporation | 9461 |
9 |
| John Zink Company, LLC | 141 |
7 |
| Doosan Babcock Limited | 30 |
6 |
| Pro-Iroda Industries, Inc. | 115 |
6 |
| Rolls-Royce PLC | 3134 |
5 |
| Air Products and Chemicals, Inc. | 1447 |
5 |
| Ceres Intellectual Property Company Limited | 269 |
5 |
| Fives Pillard | 47 |
5 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 355 |
5 |
| 8 Rivers Capital, LLC | 237 |
4 |
| Woodward, Inc. | 648 |
4 |
| GE Infrastructure Technology, LLC | 6250 |
4 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
4 |
| Other owners | 249 |