- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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
|
17
|
23
|
5
|
10
|
10
|
10
|
3
|
0
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
8 |
| United Technologies Corporation | 2328 |
7 |
| General Electric Company | 18133 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| Pratt & Whitney Canada Corp. | 4215 |
5 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| Toshiba Corporation | 12017 |
3 |
| Central Motor Wheel Co., Ltd. | 92 |
3 |
| Organoworld Inc. | 16 |
3 |
| Safran Aircraft Engines | 5739 |
3 |
| Turboden S.r.l. | 34 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
3 |
| Turboden SpA | 54 |
3 |
| Associacao Paranaense de Cultura - APC | 21 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
3 |
| Siemens AG | 24990 |
2 |
| Delta Electronics, Inc. | 2401 |
2 |
| MTU Aero Engines AG | 622 |
2 |
| MTU Aero Engines GmbH | 565 |
2 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
2 |
| Other owners | 28 |