- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/00 - Continuous combustion chambers using liquid or gaseous fuel
Patent holdings for IPC class F23R 3/00
Total number of patents in this class: 2166
10-year publication summary
|
280
|
275
|
211
|
204
|
112
|
100
|
92
|
101
|
105
|
94
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10182 |
460 |
| General Electric Company | 13982 |
354 |
| GE Infrastructure Technology, LLC | 6155 |
182 |
| Siemens AG | 23956 |
139 |
| Pratt & Whitney Canada Corp. | 5531 |
115 |
| Rolls-Royce PLC | 3224 |
66 |
| Rolls-Royce Corporation | 1681 |
63 |
| Siemens Energy Global GmbH & Co. KG | 3470 |
54 |
| Mitsubishi Power, Ltd. | 1836 |
46 |
| Ansaldo Energia Switzerland AG | 270 |
42 |
| Safran Aircraft Engines | 6767 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1132 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
39 |
| Siemens Energy, Inc. | 1680 |
37 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
30 |
| Honeywell International Inc. | 12766 |
23 |
| Rolls-Royce Deutschland Ltd & Co KG | 868 |
21 |
| Collins Engine Nozzles, Inc. | 287 |
18 |
| Safran Helicopter Engines | 853 |
14 |
| Alstom Technology Ltd | 1033 |
13 |
| Other owners | 368 |