- 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: 2019
10-year publication summary
|
324
|
280
|
275
|
211
|
204
|
112
|
99
|
91
|
96
|
44
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9313 |
415 |
| General Electric Company | 13830 |
304 |
| GE Infrastructure Technology, LLC | 6196 |
174 |
| Siemens AG | 24547 |
144 |
| Pratt & Whitney Canada Corp. | 4629 |
101 |
| Rolls-Royce Corporation | 1727 |
65 |
| Rolls-Royce PLC | 3072 |
63 |
| Siemens Energy Global GmbH & Co. KG | 2923 |
54 |
| Mitsubishi Power, Ltd. | 1758 |
45 |
| Ansaldo Energia Switzerland AG | 278 |
42 |
| Safran Aircraft Engines | 6250 |
42 |
| Rolls-Royce North American Technologies, Inc. | 1162 |
41 |
| Siemens Energy, Inc. | 1691 |
38 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
34 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
30 |
| Honeywell International Inc. | 13562 |
22 |
| Rolls-Royce Deutschland Ltd & Co KG | 810 |
20 |
| Collins Engine Nozzles, Inc. | 282 |
18 |
| Alstom Technology Ltd | 1111 |
15 |
| Safran Helicopter Engines | 750 |
15 |
| Other owners | 337 |