- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 1/04 - Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor traversed by the working-fluid substantially axially
Patent holdings for IPC class F01D 1/04
Total number of patents in this class: 100
10-year publication summary
|
23
|
5
|
10
|
10
|
10
|
3
|
0
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9319 |
8 |
| United Technologies Corporation | 2247 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
6 |
| General Electric Company | 13838 |
5 |
| Pratt & Whitney Canada Corp. | 4663 |
5 |
| GE Infrastructure Technology, LLC | 6201 |
5 |
| Toshiba Corporation | 12317 |
3 |
| Central Motor Wheel Co., Ltd. | 90 |
3 |
| Organoworld Inc. | 16 |
3 |
| Safran Aircraft Engines | 6265 |
3 |
| Turboden S.r.l. | 33 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 954 |
3 |
| Turboden SpA | 58 |
3 |
| Associacao Paranaense de Cultura - APC | 21 |
3 |
| Mitsubishi Power, Ltd. | 1759 |
3 |
| Siemens AG | 24552 |
2 |
| MTU Aero Engines AG | 672 |
2 |
| MTU Aero Engines GmbH | 509 |
2 |
| Rolls-Royce Deutschland Ltd & Co KG | 812 |
2 |
| Schlumberger Technology Corporation | 10652 |
1 |
| Other owners | 28 |