- 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: 2056
10-year publication summary
|
314
|
269
|
264
|
200
|
186
|
111
|
98
|
91
|
97
|
79
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9483 |
423 |
| General Electric Company | 13859 |
317 |
| GE Infrastructure Technology, LLC | 6252 |
179 |
| Siemens AG | 24353 |
141 |
| Pratt & Whitney Canada Corp. | 4838 |
105 |
| Rolls-Royce PLC | 3137 |
65 |
| Rolls-Royce Corporation | 1760 |
65 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
54 |
| Mitsubishi Power, Ltd. | 1791 |
45 |
| Ansaldo Energia Switzerland AG | 273 |
42 |
| Safran Aircraft Engines | 6317 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
41 |
| Siemens Energy, Inc. | 1706 |
38 |
| Mitsubishi Heavy Industries, Ltd. | 8813 |
34 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
30 |
| Honeywell International Inc. | 13552 |
22 |
| Rolls-Royce Deutschland Ltd & Co KG | 820 |
20 |
| Collins Engine Nozzles, Inc. | 284 |
18 |
| Alstom Technology Ltd | 1093 |
15 |
| Safran Helicopter Engines | 768 |
15 |
| Other owners | 345 |